Academic literature on the topic 'Citronella plants'

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Journal articles on the topic "Citronella plants"

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Begha, Bruno Piotrovski, Carlos Henrique Antunes, and Julianne Milléo. "Coleopterofauna (Insecta: Coleoptera) coletada em armadilhas com óleo essencial de citronela ou seus componentes no município de Ponta Grossa, Paraná, Brasil." EntomoBrasilis 11, no. 2 (2018): 85–94. http://dx.doi.org/10.12741/ebrasilis.v11i2.734.

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Resumo. Coleoptera é a ordem mais numerosa e diversificada de Insecta. Possuem diversos tipos de alimentação, sendo que os besouros herbívoros atacam cultivos agrícolas e plantas ornamentais causando prejuízos aos agricultores. Conhecer as espécies que afetam o cultivo local é uma forma de diminuir seu impacto e propor formas de manejo corretas. Os objetivos deste trabalho foram identificar os coleópteros coletados em armadilhas contendo o óleo de citronela ou seus componentes (citronelal, citronelol e geraniol) instaladas em Ponta Grossa, Paraná e, caracterizar a coleopterofauna através de diferentes análises ecológicas. Somente os coleópteros foram identificados e contabilizados. O programa ANAFAU analisou: índices de frequência, abundância, dominância e constância. Pelo PAST avaliou-se a diversidade, equitatividade e similaridade da comunidade atraída pelas armadilhas. Foram coletados 1269 coleópteros, distribuídos em 23 famílias. Diabrotica speciosa (Germar)foi a única espécie superdominante, superabundante, superfrequente e constante ao longo de toda a amostragem, correspondendo a 54,68% das coletas. Citronela 1% (25,22%), citronelol 1% (25,06%) representaram 50,28% das capturas. Citronela 1% teve a maior diversidade e riqueza de espécies e citronelol 0,5% a menor. O citronelal 1% e o citronelol 1% apresentaram maior similaridade entre as espécies capturadas nestas duas armadilhas. É possível inferir que a distribuição dos coleópteros capturados nos compostos ocorreu devido à presença de moléculas do atrativo também estarem presentes em seus feromônios. O elevado número de D. speciosa coletadas confirma o potencial atrativo dos compostos testados que podem vir a auxiliar na redução de pragas agrícolas, diminuindo o uso de agrotóxicos.Coleopterofauna (Insecta: Coleoptera) collected in traps with essential oil of citronella or its components in the city of Ponta Grossa, Paraná, BrazilAbstract. Coleoptera is the most numerous and diverse order of Insecta. They have various feeding behaviors, being that herbivorous beetles attack agricultural crops and ornamental plants, causing losses to farmers. Knowing the species that affect the local culture is a way to reduce its impact and to propose correct ways of handling them. The objectives of this research were to identify Coleoptera collected in traps containing citronella oil or its components (citronellal, citronellol and geraniol) installed in Ponta Grossa, Paraná, and to characterize the coleopterofauna through different ecological analysis. Only beetles were identified and counted. The ANAFAU program analyzed: indices of frequency, abundance, dominance and constancy. For PAST, the diversity, equity and similarity of the community attracted by the traps was evaluated. A total of 1269 beetles were collected, distributed in 23 families. Diabrotica speciosa (Germar) was the only superdominant, superabundant, superfrequent and constant species throughout the whole sampling, corresponding to 54.68% of the captures. Citronella 1% (25.22%) and citronellol 1% (25.06%) represented 50.28% of the catches. Citronella 1% had the highest diversity and species richness and citronellol 0.5% the lowest. Citronellal 1% and citronellol 1% showed greater similarity between the species captured in these two traps. It is possible that the distribution of the Coleoptera captured in the compounds occurred due to the presence of attractive molecules also being present in their pheromones. The high number of D. speciosa collected confirms the attractive potential of the tested compounds that may help to reduce agricultural pests, reducing the use of agrochemicals.
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Wildan, Achmad, Erwin Indriyanti, and Erlita Verdia Mutiara. "Citronellal Acetylation Using Ni-Co Metal Impregnated Hierarchical Zeolite Catalysis and Its Potential as an Antibacterial, Antifungal and Antioxidants." E3S Web of Conferences 622 (2025): 02002. https://doi.org/10.1051/e3sconf/202562202002.

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An essential oil from fragrant lemongrass plants (Cymbopogon nardus L) or citronella has many health benefits. The main components contained in citronella essential oil are citronellol, geraniol and citronellal. Isopulegyl acetate is one byproduct of citronellal acetylation. The objective of this research was to determine the catalytic activity of Ni-Co Metal Impregnated Hierarchical Zeolite in the acetylation reaction of citronellal with acetic anhydride and its potential used for antimicrobial, antifungal and antioxidants activities. The morphological characterization of modified-naturals zeolite analyzed by X-Ray Diffraction- Surface Area Analyzer and SEM to see the structure enhancing its function as heterogeneous catalysts. Synthesized isopulegyl acetate made from citronela that analyzed by ATR-FTIR and GCMS confirmed that isopulegyl acetate produced from the reaction are valids. In Vitro evaluation is done to show the antioxidants activity and it concluded that there is no significant activity from isopulegyl acetate. the results of antimicrobial evaluation of isopulegyl acetate show that this synthesized compound shown that it is such an effective agent of antimicrobial due to its ability to eliminate the staphylococcus aureus, and its decent activity of antifungal to inhibit the development of candida albicans.
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Hizbi, Muhammad Syamil, Irdika Mansur, and NFN Supriyanto. "Added Value of Local Organic Wastes to Develop Aromatic Plants in Agroforestry." Buletin Penelitian Tanaman Rempah dan Obat 33, no. 1 (2023): 41. http://dx.doi.org/10.21082/bullittro.v33n1.2022.41-52.

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<span>An agroforestry system consisting of fast-growing aromatic plants, such as citronella grass (<em>Cymbopogon nardus</em> L.) and tree crops that produce aromatic substances, such as ylang-ylang (<em>Cananga odorata</em> (Lam.) Hook. f. & Thomson forma genuina), was an alternative to the sustainable agricultural system. The growth and oil production of citronella grass can be enhanced by fertilization and planting patterns. The effects of planting patterns of citronella grass and ylang-ylang and compost application from various organic wastes on plant growth, biomass weight, and citronellal and geraniol content of citronella grass were investigated in a field experiment. The experiment consisted of two factors: planting patterns and types of fertilizer. Planting patterns (main plot) consisted of two levels, with citronella grass planted between ylang-ylang rows (IR) and between and within ylang-ylang rows (IWR). Five levels of fertilizer types comprised the subplot: no fertilization (P0), bamboo leaf compost (P1), vetiver leaf compost (P2), dairy cow dung compost (P3), and inorganic fertilizer (P4). Compost made from dairy cow manure significantly increased leaf length, tiller count per plant, canopy width, and citronellal content. Furthermore, its application in the IWR pattern revealed the optimal interaction that significantly increased citronella grass canopy width 4 and 8 weeks after planting. This result indicated that local organic wastes greatly aided the development of aromatic plants in agroforestry.</span>
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Mahmud, Dr Faiza, Md Rezwan Ahmed Mahedi, Sadia Afrin, et al. "Biological & Insecticidal Effect of Citronella Oil: A Short Review." Clinical Medicine And Health Research Journal 2, no. 6 (2022): 261–65. http://dx.doi.org/10.18535/cmhrj.v2i6.108.

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Introduction: The comprehensive research on the chemical composition of citronella grass led to various advantages, including the development of analytical tools for quality evaluation, which is the primary reason the plant is cultivated. Attacks by pests such as stink bugs, brown planthoppers, grasshoppers, ladybugs, and aphids are the most significant threat to crop productivity. Other problems include grasshoppers. This assault slows the development of the rice plants, resulting in a decrease in productivity or possibly preventing harvesting altogether. Applying chemical pesticides may help minimize the number of illnesses and pests. Using chemical pesticides over an extended period, on the other hand, may wreak havoc on the environment. Objective: This review aims to examine the biological & insecticidal effectiveness of citronella oil, which can help to understand to use of this oil to control insects and mosquitos. Method: Multiple computerized databases, such as PubMed, Google Scholar, ScienceDirect, etc., were used to write the paper. Result. The medicinal benefits of Citronella oil have been extensively documented, and the oil's components have been well studied. Citronella oil has been used as an antifungal, antiparasitic, effective insect repellent, and antibacterial, thanks to extensive research into its medicinal potential. Conclusion: Oil of citronella contains citronellol, citronellal, and geraniol. If they enter the environment, some will vaporize. In water, they evaporate slowly. Once vapours are airborne, their half-lives range from 38 minutes to 3.2 hours. Instead, microbes degrade citronellol and geraniol.
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Andriana, Nita, Dhimaz Pratama Putra, Huriansyah Belawing, et al. "Sosialisasi Pembuatan Spray Anti Nyamuk dari Tanaman Serai Wangi dari Tanaman Serai Wangi dalam Pencegahan Penyakit Demam Berdarah di Kampung Long Iram Seberang." Jurnal Abdita Naturafarm 1, no. 2 (2024): 61–65. http://dx.doi.org/10.70392/jan.v1i2.6165.

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The Aedes aegypti mosquito is a species of mosquito that is known to be the main factor in the spread of Dengue Hemorrhagic Fever (DHF). This outreach aims to educate about the potential of the citronella plant as a natural mosquito repellent. Citronella (Cymbopogon nardus L.) is a plant that contains essential oils consisting of citronellal (27.87%), citronellol (11.85%), geraniol (22.77%), geranial (14.54%) , neral (11.21%). The citronellol compound contained in citronella essential oil has toxic properties that cause dehydration in animals, especially insects. In the Flagship KKN program Batch 50, KUBAR 12 Group, Mulawarman University innovated in making anti-mosquito spray from citronella plants and provided outreach and carried out direct practice with PKK women in Long Iram Seberang Village, numbering approximately 20 people. The manufacturing process includes drying, cutting, boiling, and mixing with alcohol to maximize the effectiveness of mosquito repellent. The results of this activity show that the resulting spray can last for approximately three days at room temperature and up to seven days if stored in the refrigerator, making it a simple but effective solution in protecting families from mosquito bites. It is hoped that this activity will succeed in increasing public awareness of the importance of maintaining environmental cleanliness and identifying local habits that can naturally reduce the risk of spreading dengue fever
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Hidayatullah, Satria Sir, Badrul Ainy Dalimunthe, Siti Hartati Yusida Saragih, and Fitra Syawal Harahap. "ANALISIS SIFAT KIMIA TANAH DAN KANDUNGAN MINYAK SERAI WANGI (Cymbopogon winterianus Jowitt ) DISERTAI UJI HEDONIK YANG DIPRODUKSI OLEH KELOMPOK TANI KARYATANI DESA SIDORUKUN, KECAMATAN PANGKATAN, KABUPATEN LABUHANBATU." JURNAL AGROPLASMA 8, no. 2 (2021): 67–76. http://dx.doi.org/10.36987/agroplasma.v8i2.2551.

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Fragrant lemongrass (Cymbopogon winterianus Jowitt) is one of the volatile oil-producing plants With high economic value, about 80% of citronella oil produced by Indonesia is exported to various countries. Citronella oil is multi-useful in the pharmaceutical industry and in the perfume industry as a fragrance in various perfumed oil products. This study aims to determine the chemical properties of the soil in the field of citronella farmer group, Sidorukun Village, to determine the citronellal content, oil content and specific gravity of citronella oil meet the requirements set out in the Indonesian National Standard (SNI). And the hedonic test to find out the community's response to citronella oil. This research was carried out from March 2021 to May 2021. The results of the analysis of chemical properties in 2 different locations showed that low soil chemical properties affected the growth and yield of citronella. The analysis of citronella oil showed that the citronella content, oil content and specific gravity of citronella oil (Cymbopogon winterianus Jowitt) produced by the Karyatani Farmers' Group in Sidorukun Village were 41.32%, 0.87% and 0.8881, respectively. This shows that the citronellal content of min 35%, oil content of 0.60% and specific gravity of 0.880-0.922 has met SNI 06-3953-1995, the duration of distillation is an important factor for the high yield of citronellal content, oil content and specific gravity. The hedonic test showed that the color of citronella oil was very liked by the panelists, as well as the smell of citronella oil, the panelists liked it and the taste of citronella oil when applied to the panelists' skin, they liked it and some thought it was normal.Key words: Essential Oils, Citronella, Soil Chemical Properties, Hedonic Test
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Lina, Eka Candra, Hasmiandy Hamid, Prima Fithri, Yumhi Yumhi, Yusup Junaedi, and Egi Adha Juniawan. "Penguatan Kapasitas Masyarakat Desa Cibarani dalam Pemanfaatan Minyak Sereh Wangi (Cymbopogon nardus) sebagai Bahan Baku Produk Turunan Bernilai Ekonomi." Warta Pengabdian Andalas 31, no. 3 (2024): 650–57. https://doi.org/10.25077/jwa.31.3.650-657.2024.

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The discovery of active compounds such as citronellol, citronellal, and geraniol in citronella grass (Cymbopogon nardus) opens new opportunities for using essential oils derived from this plant. These compounds are well-known for their aromatic properties and various benefits in the derivative product industry. Combining these three compounds presents immense potential for developing high-quality products such as soaps, aromatherapy, and pesticides. Community engagement activities were conducted in Cibarani Village, Lebak Regency, Banten. The fertile land in Cibarani Village is well-suited for cultivating citronella grass (C. nardus). The activities began with outreach and training sessions to educate the local community on the potential of C. nardus essential oil. This initiative aimed to equip the community with adequate knowledge and skills to process C. nardus oil into various derivative products. The derivative products introduced included botanical pesticides for controlling pests in cultivated plants. This information is particularly beneficial for the Mekar Rahayu Farmers Group, enhancing their knowledge and understanding of the potential of C. nardus essential oil as a botanical pesticide. It is hoped that the community will be able to produce botanical pesticides for personal use and sale to other farmers, thereby increasing their income. Simultaneously, the team also collected samples of citronella grass from Cibarani Village for distillation. The C. nardus oil obtained was analyzed using Gas Chromatography-Mass Spectrometry (GC-MS) to identify the dominant compounds. The essential oil produced from citronella grass in Cibarani Village, based on GC-MS results, revealed the main components as geraniol at 25.53% with a retention time of 13.212 minutes, citronellol at 15.71% with a retention time of 12.694 minutes, and citronellal at 17.19% with a retention time of 11.422 minutes.
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Obenu, Noviana, Eduardus Edi, and Risna E. Adu. "Identification Chemical Compositions of Lemongrass Plant (Cymbopogon nardus L.) Dawan Tribe, Oenenu Village, North Central Timor Regency." Jurnal Akademika Kimia 10, no. 2 (2021): 93–97. http://dx.doi.org/10.22487/j24775185.2021.v10.i2.pp93-97.

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Lemongrass (Cymbopogon nardus L.) is a local natural resource used by the Dawan tribe as an alternative for mosquito repellent. The utilization of these plants cannot be separated from the content of compounds found in these plants. Therefore, it is necessary to analyze the content of bioactive compounds from lemongrass (Cymbopogon nardus L.). This research method includes sample preparation, isolation and identification of compounds, and antioxidant activity analysis. The results of this study that there were three main components of citronella oil, namely geraniol, citronellol, and citronellal, with a higher percentage of geraniol, namely 18.82%. The compounds contained in lemongrass oil have a weak antioxidant activity with IC50 681.48 mg/mL.
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Sharma, Ruchi, Rekha Rao, Sunil Kumar, Sheefali Mahant, and Sarita Khatkar. "Therapeutic Potential of Citronella Essential Oil: A Review." Current Drug Discovery Technologies 16, no. 4 (2019): 330–39. http://dx.doi.org/10.2174/1570163815666180718095041.

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Mosquito-borne diseases such as malaria, filariasis, chikunguniya, yellow fever, dengue and Japanese encephalitis are the major cause of remarkable morbidity and mortality in livestock and humans worldwide. Since ancient times, aromatic plants are used for their medicinal value. Essential oils derived from these plants may be used as effective alternatives/adjuvants in pharmaceuticals, biomedical, cosmetic, food, veterinary and agriculture applications. These oils have also gained popularity and interest for prevention and treatment of various disorders. However, several reports on adverse effects including skin eruption, contact artricaria or toxic encephalopathy in children are available for synthetic repellent in the literature. Thus, natural insect repellents like essential oils have been explored recently as an alternative. One such essential oil studied widely, is citronella oil, extracted mainly from Cymbopogon nardus. This essential oil has exhibited good efficacy against mosquitoes. It is a mixture of components including citronellal, citronellol, geraniol as major constituents contributing to various activities (antimicrobial, anthelmintic, antioxidant, anticonvulsant antitrypanosomal and wound healing), besides mosquito repellent action. Citronella essential oil is registered in US EPA (Environmental protection agency) as insect repellent due to its high efficacy, low toxicity and customer satisfaction. However, poor stability in the presence of air and high temperature limits its practical applications. Since specific knowledge on properties and chemical composition of oil is fundamental for its effective application, the present review compiles and discusses biological properties of citronella oil. It also sheds light on various formulations and applications of this essential oil.
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Pinheiro, Patrícia Fontes, Vagner Tebaldi de Queiroz, Vando Miossi Rondelli, Adilson Vidal Costa, Tiago de Paula Marcelino, and Dirceu Pratissoli. "Insecticidal activity of citronella grass essential oil on Frankliniella schultzei and Myzus persicae." Ciência e Agrotecnologia 37, no. 2 (2013): 138–44. http://dx.doi.org/10.1590/s1413-70542013000200004.

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The thrips, Frankliniella schultzei, and green peach aphid, Myzus persicae, cause direct damage to plants of economic importance and transmit phytoviruses, causing large economic losses. Chemical constituents of essential oils present a wide range of biological activities. The aim of this work was to evaluate insecticidal activity of essential oil from citronella grass, Cymbopogon winterianus, on F. schultzei and M. persicae. This essential oil was obtained by steam distillation and components were identified by GC/FID and GC/MS. A Potter spray tower was used to spray insects with the essential oil. The major constituents are geraniol (28.62%), citronellal (23.62%) and citronellol (17.10%). Essential oil of C. winterianus at 1% (w v-1) causes mortality in F. schultzei and M. persicae at 34.3% and 96.9%, respectively. The LC50 value for M. persicae was 0.36% and LC90 0.66%. Thus, citronella grass essential oil at 1% (w v-1) is more toxic to M. persicae than F. schultzei. This essential oil shows promise for developing pesticides to manage M. persicae.
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Dissertations / Theses on the topic "Citronella plants"

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Ucker, Anna Paula Ferreira Batista Goldfeld. "Desenvolvimento de plantas e produção de óleo essencial de citronela (Cymbopogon winterianus jowitt) sob diferentes adubações." Universidade Federal de Goiás, 2013. http://repositorio.bc.ufg.br/tede/handle/tede/3776.

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Submitted by Erika Demachki (erikademachki@gmail.com) on 2014-12-10T14:15:29Z No. of bitstreams: 1 Dissertação - Anna Paula Ferreira Batista Goldfeld Ucker - 2013.pdf: 1541902 bytes, checksum: 9ef28aaf99c986e96d114d3a8e9a83b7 (MD5)<br>Rejected by Erika Demachki (erikademachki@gmail.com), reason: on 2014-12-10T14:15:39Z (GMT)<br>Submitted by Erika Demachki (erikademachki@gmail.com) on 2014-12-15T16:26:46Z No. of bitstreams: 2 license_rdf: 23148 bytes, checksum: 9da0b6dfac957114c6a7714714b86306 (MD5) Dissertação - Anna Paula Ferreira Batista Goldfeld Ucker - 2013.pdf: 1541902 bytes, checksum: 9ef28aaf99c986e96d114d3a8e9a83b7 (MD5)<br>Approved for entry into archive by Erika Demachki (erikademachki@gmail.com) on 2014-12-15T16:34:00Z (GMT) No. of bitstreams: 2 license_rdf: 23148 bytes, checksum: 9da0b6dfac957114c6a7714714b86306 (MD5) Dissertação - Anna Paula Ferreira Batista Goldfeld Ucker - 2013.pdf: 1541902 bytes, checksum: 9ef28aaf99c986e96d114d3a8e9a83b7 (MD5)<br>Made available in DSpace on 2014-12-15T16:34:02Z (GMT). No. of bitstreams: 2 license_rdf: 23148 bytes, checksum: 9da0b6dfac957114c6a7714714b86306 (MD5) Dissertação - Anna Paula Ferreira Batista Goldfeld Ucker - 2013.pdf: 1541902 bytes, checksum: 9ef28aaf99c986e96d114d3a8e9a83b7 (MD5) Previous issue date: 2013-10-07<br>The Citronella Grass currently has excelled in domestic and foreign markets, due to its medicinal properties. The use of the essential oil is increasing, there are several functions, commonly used in the pharmaceutical industry, in agronomic practices (with adoption of conservation methods), used as insecticides, fungicides, in the area of veterinary as ticks and cleaning as disinfectants. The expectation for those who produce the oil is economically viable use your directing for family farmers which can add value to their properties and generate income. It is a little known plant, disclosed and addressed. Given this gap, was aim to work with citronella to evaluate performance in the treatments used, oil yield and seedling production. The challenge of this work is to bring information about the culture, cultivation and their purposes. In the study we evaluated various treatments with organic manure, mineral NPK and control, evaluating oil yield, fresh weight, dry weight, diameter, plant height after cutting. The experimental design was randomized with four replications. In organic treatments which got the biggest highlight was with 0.5 liter of organic fertilizer from fresh cattle manure, which was applied in each pit parcels worked. For the conditions of the State of Goiás plant development ensued in a very adaptable, demonstrating hardiness of the plant, and how it can be profitable for the producer of small income.<br>O capim citronela tem se destacado atualmente no mercado interno e externo, devido as suas propriedades medicinais. A utilização do seu óleo essencial vem aumentando gradativamente, pois são várias as suas funções, bastante utilizado na indústria farmacológica, nas práticas agronômicas (com adoção de métodos conservacionistas), usados como inseticidas, fungicidas, na área da veterinária como carrapaticida e de limpeza como desinfetantes. A expectativa para quem produz o óleo é viabilizar economicamente o seu uso, direcionando para produtores da agricultura familiar aos quais podem agregar valor em suas propriedades e gerar renda. É uma planta pouco conhecida, divulgada e trabalhada. Diante desta lacuna, objetiva-se trabalhar com citronela para avaliação de rendimento em função dos tratamentos usados, rendimento de óleo e produção de mudas e também buscar informações acerca das suas características agronômicas, multiplicação, desenvolvimento e potencial de produção de óleo essencial. O desafio deste trabalho é trazer informações sobre a cultura, o cultivo e suas finalidades. Na pesquisa foram avaliados três tratamentos orgânicos sendo 0,5 L, 1,0 L e 2,0L aplicado em cada cova das parcelas trabalhadas com esterco bovino, mineral com NPK e testemunha, avaliando-se rendimento de óleo, massa verde, massa seca, diâmetro da touceira, altura de plantas após o corte, antes do corte aguardou-se o desenvolvimento da planta. O delineamento foi casualizado com 4 repetições. Nos tratamentos orgânicos o que obteve o maior destaque foi com 0,5 litro de adubo orgânico a base de esterco bovino. Para as condições da cidade de Goiânia o desenvolvimento da planta se sucedeu de uma forma bem adaptável, demonstrando rusticidade da planta, e o quão pode ser lucrativo para o produtor de pequena renda.
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Prochnow, Daiane. "Caracterização morfo-anatômica e metabólica de espécies do gênero Cymbopogon: uma contribuição para o melhoramento das espécies." Universidade Federal de Pelotas, 2018. http://guaiaca.ufpel.edu.br:8080/handle/prefix/4195.

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Submitted by Gabriela Lopes (gmachadolopesufpel@gmail.com) on 2018-10-23T13:52:50Z No. of bitstreams: 1 Tese- Daiane Prochnow (Caracterização morfoanatômica e metabólica de éspecies do gênero Cymbopogon- uma contribuição para o melhoramento das espécies.pdf: 5150409 bytes, checksum: c840dec90793040686b59b237a8559d0 (MD5)<br>Approved for entry into archive by Aline Batista (alinehb.ufpel@gmail.com) on 2018-11-13T15:53:20Z (GMT) No. of bitstreams: 1 Tese- Daiane Prochnow (Caracterização morfoanatômica e metabólica de éspecies do gênero Cymbopogon- uma contribuição para o melhoramento das espécies.pdf: 5150409 bytes, checksum: c840dec90793040686b59b237a8559d0 (MD5)<br>Made available in DSpace on 2018-11-13T15:53:20Z (GMT). No. of bitstreams: 1 Tese- Daiane Prochnow (Caracterização morfoanatômica e metabólica de éspecies do gênero Cymbopogon- uma contribuição para o melhoramento das espécies.pdf: 5150409 bytes, checksum: c840dec90793040686b59b237a8559d0 (MD5) Previous issue date: 2018-07-16<br>Coordenação de Aperfeiçoamento de Pessoal de Nível Superior - CAPES<br>As plantas medicinais sempre foram utilizadas pelos seres humanos como alternativa no combate a enfermidades. Para evitar a utilização das espécies de forma errônea, é necessário realizar a correta identificação das plantas de interesse, bem como, conhecer detalhes morfológicos, anatômicos e até mesmo metabólicos, possibilitando a diferenciação das espécies de uma forma correta e segura. Com isso, o presente trabalho teve como objetivo identificar e caracterizar de forma botânica, morfológica, anatômica e química, acessos de plantas do gênero Cymbopogon, estabelecendo características específicas de cada espécie, para futura utilização em um programa de melhoramento genético e para produtores de plantas medicinais. O cultivo foi realizado em canteiros localizados no município do Capão do Leão - RS, no campus da Universidade Federal de Pelotas, nos anos de 2016/2017, sendo utilizadas as espécies Cymbopogon citratus, Cymbopogon distans, Cymbopogon flexuosus e Cymbopogon winterianus. Este estudo descreveu algumas características morfológicas (altura de planta, comprimento e largura de folha e comprimento do colmo), anatômicas (índice e tamanho de estômatos, cortes transversais da nervura principal) e o perfil químico das quatro espécies (compostos voláteis e não voláteis presentes nas infusões e no óleo essencial). As espécies estudadas apresentam diversas características estruturais em comum, porém tamanho de folha (largura e comprimento), arranjo e tamanho da nervura principal, tamanho e localização dos estômatos são de grande importância para a diferenciação. Com base nas análises realizadas neste estudo, conclui-se que em geral a espécie C. distans apresentou maior número de características distintas, diferindo nas variáveis de altura de planta, tamanho de folha, número e localização dos estômatos, arranjo dos vasos condutores e no perfil químico do óleo essencial, destacando-se por apresentar altos teores de citral. As espéceis C. citratus, C. flexuosus e C. winterianus apresentaram diversas características morfológicas e anatômicas em comum, sendo a análise do metaboloma uma ferramenta eficaz para discriminação das espécies. Na análise das infusões, C. flexuosus apresentou perfil químico diferenciado, com pequeno número de compostos identificados. Quanto ao óleo essencial, foi possível realizar a identificação do citral como o componente principal de C. citratus, C. distans e C. flexuosus. O citronelal, citronelol, geraniol e elemol são predominantes em C. winterianus. A espécie C. citratus se destaca pela alta concentração de mirceno, o que a distingue de C. flexuosus, as quais são conhecidas pelo mesmo nome popular.<br>Medicinal plants have always been used by humans as an alternative in the fight against diseases. To avoid the use of species wrongly, is necessary perform the correct identification of plants of interest, as well as meet morphological, anatomical and even metabolic details, enabling the differentiation of species in a correct and safe manner. The objective this work was to identify botanical, morphological, anatomical and chemistry traits of plants of the genus Cymbopogon, establishing specific traits of each species, for future use in a breeding program and for plant growers medicinal products. The growth was conducted at plantbed located in the Capão do Leão – RS city on the campus of the Universidade Federal de Pelotas, in the years of 2016/2017, being used Cymbopogon citratus, Cymbopogon distans, Cymbopogon flexuosus and Cymbopogon winterianus species. This study described some morphological traits (plant height, leaf length and leaf width and stem length), anatomical traits (stoma index and size, transversal cuts of the main vein) and the chemical profile of the four species (volatile and non-volatile compounds present infusions and essential oil). The studied species show several structural traits in common, however, leaf size (width and length), arrangement and size of the midrib, size and location of the stomata, are of great importance for the differentiation. Based on the analyzes carried out in this study, it was concluded that, in general, the C. distans specie presented a greater number of distinct traits, differing in plant height, leaf size, number and location of stomata, arrangement of conducting vessels and chemical profile of the essential oil, being distinguished by its high levels of citral. C. citratus, C. flexuosus and C. winterianus species presented several morphological and anatomical traits in common, making the metabolome analysis an effective tool for species discrimination. In the analysis of the infusions, C. flexuosus showed a differentiated chemical profile, with small number of compounds identified. As for the essential oil, it was possible to identify the citral as the main component of C. citratus, C. distans and C. flexuosus. Citronellal, citronellol, geraniol and elemol are predominant in C. winterianus. The C. citratus specie is distinguished by the high concentration of myrcene, which distinguishes it from C. flexuosus, which are known by the same popular name.
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Eiasu, B. K. (Bahlebi Kibreab). "Influence of soil water management on plant growth, essential oil yield and oil composition of rose-scented geranium (Pelargonium spp.)." Thesis, 2009. http://hdl.handle.net/2263/28775.

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Introducing effective irrigation management in arid and semi-arid regions, like most areas of South Africa, is an indispensable way of maximising crop yield and enhancing productivity of scarce freshwater resources. Holistic improvements in agricultural water management could be realised through integrating the knowledge of crop-specific water requirements. In order to develop effective irrigation schedules for rose-scented geranium (Pelargonium capitatum x P. radens), greenhouse and field experiments were conducted at the Hatfield Experimental Farm of the University of Pretoria, Pretoria, South Africa, from 28 October 2004 to 2006. Results from 20, 40, 60 and 80% maximum allowable depletion (MAD) levels of the plant available soil water (ASW) indicated that plant roots extracted most of the soil water from the top 40 cm soil layer, independent of the treatment. Both essential oil yield and fresh herbage mass responded positively to high soil water content. Increasing the MAD level to 60% and higher resulted in a significant reduction in herbage mass and essential oil yields. An increase in the degree of water stress apparently increased the essential oil concentration (percentage oil on fresh herbage mass basis), but its contribution to total essential oil yield (kg/ha oil) was limited. There was no significant relationship between MAD level and essential oil composition. For water saving without a significant reduction in essential oil yield of rose-scented geranium, a MAD of 40% of ASW is proposed. Response of rose-scented geranium to a one-month irrigation withholding period in the second or third month of regrowth cycles showed that herbage mass and oil yield were positively related. Herbage yield was significantly reduced when the water stress period was imposed during the third or fourth month of regrowth. A remarkable essential oil yield loss was observed only when the plants were stressed during the fourth month of regrowth. Essential oil content (% oil on fresh herbage mass basis) was higher in stressed plants, especially when stressed late, but oil yield dropped due to lower herbage mass. The relationship between essential oil composition and irrigation treatments was not consistent. Water-use efficiency was not significantly affected by withholding irrigation in the second or in the third month of regrowth. With a marginal oil yield loss, about 330 to 460 m3 of water per hectare per regrowth cycle could be saved by withholding irrigation during the third month of regrowth. The overall results highlighted that in water-scarce regions withholding irrigation during either the second or the third month of regrowth in rose-scented geranium could save water that could be used by other sectors of society. In greenhouse pot experiments, rose-scented geranium was grown under different irrigation frequencies, in two growth media. Irrigation was withheld on 50% of the plants (in each plot) for the week prior to harvesting. Herbage and essential oil yields were better in the sandy clay soil than in silica sand. Essential oil content (% oil on fresh herbage mass basis) apparently increased with a decrease in irrigation frequency. Both herbage and total essential oil yields positively responded to frequent irrigation. A one-week stress period prior to harvesting significantly increased essential oil content and total essential oil yield. Hence, the highest essential oil yield was obtained from a combination of high irrigation frequency and a one-week irrigation-withholding period. In the irrigation frequency treatments, citronellol and citronellyl formate contents tended to increase with an increase in the stress level, but the reverse was true for geraniol and geranyl formate. Leaf physiological data were recorded during the terminal one-week water stress in the glasshouse pot trial. Upon rewatering, stomatal conductance (Gs) and transpiration rate (Rt) were significantly lower in the less often irrigated than in the more often irrigated treatments, while leaf water potential (yw) and relative water content (RWC) were the same for all plants, indicating that water stress had an after-effect on Gs and Rt. At the end of the stress period, Gs, Rt, yw and RWC were lower in the plants from the more often irrigated than from the less often irrigated treatments. Irrespective of irrigation treatment, one type of non-glandular and two types (different in shape and size) of glandular trichomes were observed. In water stressed-conditions, stomata and trichome densities increased, while the total number of stomata and trichomes per leaf appeared to remain more or less the same. Water stress conditions resulted in stomatal closure.<br>Thesis (PhD)--University of Pretoria, 2009.<br>Plant Production and Soil Science<br>unrestricted
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Book chapters on the topic "Citronella plants"

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Kamal, Zul, Muhammad Esa, Sara Khan, et al. "Citronella Aromatic Essential Oil and Its Mosquito Repellent Properties." In Plants as Medicine and Aromatics. CRC Press, 2024. http://dx.doi.org/10.1201/9781003403968-16.

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Gibango, Lydia, Carel B. Oosthuizen, Anna-Mari Kok, and Namrita Lall. "Pelargonium citronellum J.J.A. Van der Walt." In Medicinal Plants from Sub-Saharan Africa. Springer International Publishing, 2024. http://dx.doi.org/10.1007/978-3-031-64904-2_18.

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Gómez, Noelia, Sandy Gavilanes, Inés Malo, and Mónica Espadero. "In vitro Evaluation of Antimicrobial Activity from the Methanolic Extracts of Taraxacum officinale and Melissa officinalis on Staphylococcus aureus." In Lecture Notes in Networks and Systems. Springer Nature Switzerland, 2025. https://doi.org/10.1007/978-3-031-87065-1_23.

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Abstract The use of plants has been increasing by the presence of bioactives, which is an opportunity in the creation of products such as medicines, food and cosmetics. Taraxacum officinale (Dandelion) and Melissa officinalis (Toronjil), are cosmopolitan species with great therapeutic potential, traditionally used for their anti-inflammatory, antioxidant and antimicrobial activity. Therefore, this research evaluates the antimicrobial activity of the methanol extracts of Taraxacum officinale and Melissa officinalis on Staphylococcus aureus using in vitro tests. Analyzes of secondary metabolites were performed by phytochemical screening tests, as well as the identification of possible compounds responsible for antimicrobial activity using the Bioautography technique. The phenolic compounds were quantified by the Folin-Ciocalteu assay, and the antimicrobial capacity of the extracts was evaluated by the Kirby-Bauer method. Phytochemical screening revealed the presence of alkaloids, flavonoids, saponins, phenols and tannins in both extracts. Using Bioautography, potentially inhibitory metabolites were identified, including chlorogenic acid (Rf 0.45), taraxasterol (Rf 0.65), caffeic acid (Rf 0.87), geraniol (Rf 0.2), citral (0.42) and citronellal (0.8). In addition, a greater number of phenolic compounds (112.20 ± 10.13 mg EAG/g MS) was observed in the extract of Melissa officinalis, while the extract of Taraxacum officinale showed a greater bacterial inhibition capacity, reaching 65.49%.
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Chowdhury, Lalit, Manoja Dash, Sarada Mohapatra, Debashis Mohanty, Sushree Chowdhury, and Prakash Kumar Sahoo. "Sustainable Approaches for Groundnut Storage Protection." In Advances in Computer and Electrical Engineering. IGI Global, 2024. https://doi.org/10.4018/979-8-3693-6875-6.ch017.

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The chapter investigates the bioefficacy of various botanicals against Caryedon serratus (groundnut beetle) under laboratory conditions over a year. The study tested powders, ethanolic extracts, chromatographic fractions, essential oils, and pellets derived from various plants at 1% concentration. Among the tested botanicals, powders and active components of Carum copticum, Acorus calamus, Ocimum sanctum, and Syzizium aromaticum exhibited 100% protection of groundnut pods/kernels. Essential oils such as Nilgiri (Eucalyptus), Citronella (Cymbopogon nardus), Camphor (Cinnamomum camphora), and Crown oil (Shorea robusta), as well as pellets of Camphor, Carum copticum, and Mentha spicata (Peppermint), were highly effective. The LD50 values were found to be 0.5% v/w and 0.5% w/w, respectively. Active compounds like 1,8-Cineol and α-pinene were identified using GC-MS analysis. These phytoproducts, due to their strong aromatic nature, show potential as fumigants or insect repellents for protecting stored groundnuts.
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Ikhiwili Oniha, Margaret, Eze Frank Ahuekwe, and Sharon Oluwatobi Akinpelu. "Phytochemical Contents of Essential Oils from Cymbopogon Species: A Tropical Medicinal Plant." In Tropical Plant Species and Technological Interventions for Improvement. IntechOpen, 2023. http://dx.doi.org/10.5772/intechopen.105396.

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Natural resources especially medicinal plants possess the potentials to sustain all existence on earth. Cymbopogon, a globally cultivated herb, possesses high contents of diverse essential oils for medicinal and economic purposes including treatment of malaria and candidiasis. Notable species include Cymbopogon citratus and C. flexosus having citral as the main chemical compound. Numerous compounds of these species include limonene, citronella, geranyl acetic derivatives, elemol, among others. Phytochemical analysis of these essential oils is usually done by the gas chromatography-mass spectrometry (GC-MS) method sequel to obtaining them through solvent extraction, hydrodistillation, supercritical CO2 extraction, chromatography among others. Although the supercritical CO2 extraction method gives greater quality yields void of toxic wastes with preserved thermal stability compared with other methods, its high-working pressure generates issues of safety risks and costs. Quantitative determination is done using spectrophotometric, chromatographic, and Folin-Ciocalteu methods. In comparison with other chromatographic techniques employed, gas chromatography exhibits greater efficiency by quantifying and determining the presence of various components at low concentrations. This prominently economical plant with potent ethnobotanical benefits hinged on the essential oils phytochemicals is faced with diverse extraction challenges; thus, improvement in the extraction and quantification techniques is key to the harvest of pure yields of lemon grass essential oils.
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Paraíso, Brayan Sebastian Aguiar, Ronielly Barbosa Soares, Maria Caroline da Silva Nogueira, and Caroline Pereira de Campos. "AVALIAÇÃO DO EXTRATO ETANÓLICO DE Piper aduncum E Cymbopogon winterianus NO CONTROLE DE CULICIDAE." In Avanços Científicos e Tecnológicos Em Ciências Agrárias no Sul de Roraima. Seven Editora, 2024. http://dx.doi.org/10.56238/livrosindi202449-011.

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O aumento da frequência de Culicidae, vetores de doenças como a dengue, zika, chikungunya, febre amarela e malária, tornam cada vez mais urgente a implantação de novas tecnologias para o combate a essas doenças. Para isso, os extratos vegetais, das plantas de pimenta de macaco (Piper aduncum) e citronela (Cymbopogon winterianus), foram estudados como fonte promissora de inseticidas naturais. Desse modo, o presente trabalho teve como objetivo avaliar o potencial do extrato etanólico das plantas pimentas de macaco e citronela no controle de Culicidae. Foram testados seis tratamentos para cada extrato etanólico: o controle utilizando água destilada; 20μL do extrato etanólico; 22μL do extrato etanólico; 24μL do extrato etanólico; 26μL do extrato etanólico; e 28μL do extrato etanólico. Para o teste biológico, foram utilizadas larvas no 3o e 4o estágio, em condições de laboratório. O delineamento foi inteiramente casualizado, para cada extrato, cinco larvas, em oito réplicas, foram colocadas em placas de petri contendo as concentrações de extrato. a leitura dos testes foi realizada no período de 48 horas. Os extratos etanólicos da pimenta de macaco e da citronela apresentaram eficiente ação larvicida, causando a morte das larvas de Culicidae em suas últimas fases larvais. As concentrações de 26μL e 28μL do extrato etanólico da pimenta de macaco apresentaram mais eficiência, obtendo 90% da mortalidade das larvas.
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Delgado, MN, EASG Oliveira, F. Roque, JO Silva, ECS Marchi, and DL Migotto. "CULTIVO DE PLANTAS FITOSSANITÁRIAS COMO MÉTODO DE MANEJO INTEGRADO DE PRAGAS EM SISTEMA AGROECOLÓGICO DE FEIJÃO PHASEOLUS VULGARIS." In Estudos Agroecológicos: o avanço da ciência no Brasil - Volume 2. Editora Científica Digital, 2023. http://dx.doi.org/10.37885/231114922.

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Objetivo: Os objetivos do estudo foram: (1) avaliar a comunidade (composição e abundância) de guildas de artrópodes (herbívoros, inimigos naturais e onívoros) na cultura de feijão (Phaseolus vulgaris L.) consorciada com os tratamentos de plantas fitossanitárias (gergelim, pimenta e citronela), pesticida e controle; (2) comparar a comunidade de artrópodes que estava em cada espécie de plantas fitossanitárias e os feijões circunvizinhos; (3) avaliar os efeitos dos diferentes tratamentos sobre a produção do número de vagens e crescimento da parte aérea do feijão; (4) avaliar se diferentes tipos de guildas de artrópodes podem afetar a produtividade do feijão. Métodos: O experimento foi em blocos inteiramente casualizados, com cinco tratamentos: consórcio com gergelim, pimenta, citronela, aplicação de pesticida e controle. O pesticida utilizado era da classe “inseticida sistêmico” do grupo químico neonicotinoide, sendo específico para alguns insetos herbívoros conforme bula. As plantas fitossanitárias ocuparam a área central das parcelas dos feijões. Os artrópodes foram identificados até nível de família, a abundância foi mensurada e categorizada em guildas. Após 90 dias de cultivo, nas mesmas plantas de feijão, a massa fresca da parte aérea e o número de vagens produzidas foram contabilizados. Resultados: Foram coletados 507 artrópodes, sendo 159 herbívoros, 90 inimigos naturais e 59 onívoros. Cerca de 39% dos artrópodes não tiveram a guilda determinada. Houve predominância de herbívoros em todos os tratamentos, exceto no pesticida onde a maioria foi onívora. O pesticida foi eficiente na redução e interferiu no tipo de artrópodes coletados. Os tratamentos citronela e controle negativo (testemunha) compartilharam fauna mais semelhante. A abundância de herbívoros diferiu entre os tratamentos, sendo maior nos tratamentos controle e citronela, e menor no tratamento com pesticida. A abundância de inimigos naturais nas parcelas seguiu o gradiente: gergelim = pimenta = citronela &gt; controle &gt; pesticida. A abundância de onívoros foi menor nos tratamentos pimenta e citronela quando comparado aos demais tratamentos. Conclusão: A pimenta malagueta foi a melhor opção para o cultivo agroecológico de feijão, seguido do consorciamento com o gergelim, pois ela atraiu os herbívoros dos feijões, além de ter mantido muitos inimigos naturais sobre si. Não foram constatadas diferenças significativas na produção dos feijões entre os tratamentos. Assim, práticas de seleção de cultivares melhores adaptadas com os cultivos de plantas fitossanitárias pode ser um próximo passo a ser adicionado nas pesquisas relacionadas à agricultura familiar. Estratégia promissora junto ao manejo integrado de pragas, tópicos negligenciados de atenção à pesquisa na agricultura familiar
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Pereira, Silvia Regina da Silva, Simeia Rocha Pereira Graça, Claudeci Almeida de Paula, and Patricia Florencio da Silva Cardoso. "PRODUÇÃO DE DIFUSOR A PARTIR DE FOLHAS DE CAPIM CITRONELA: COMBATE À DENGUE COM A PLANTA CITRONELA." In Condições teórico-práticas da Biomedicina no Brasil 2. Atena Editora, 2021. http://dx.doi.org/10.22533/at.ed.4712120097.

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Singh, Sonia, Nitin Agrawal, and Isha Mishra. "Pharmacology and Phytochemistry of Coriander." In Ethnopharmacological Investigation of Indian Spices. IGI Global, 2020. http://dx.doi.org/10.4018/978-1-7998-2524-1.ch014.

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Coriander, named as Coriandrum sativum Linn, belongs to the family Umbelliferae and is one of the most popular and well-known spices/condiments and herbal medicines. The essential oils and fatty oils are the two major active chemical constituents present in the plant. The other minor ingredients found to be present are monoterpenes hydrocarbons i-e limonene, γ-terpinene, α-pinene, p-cymene, borneol, citronellol, camphor, geraniol, and geraniol acetate and abd heterocyclic components such as pyrazine, pyridine, thiazole, furan and tetrahudrofuran derivatives, isocoumarins, coriandrin, dihydrocoriandrin, coriandrons A-E, flavonoids. The volatile oil from the leaf contains aromatic acids such as 2-decenoic acid, E-11-tetradecenoic acid, undecyl alcohol, tridecanoic acid, capric acid, undecanoic acid, and more. The current pharmacological research reveals the application of coriander has antibacterial and antifungal activity.
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Singh, Sonia, Nitin Agrawal, and Isha Mishra. "Pharmacology and Phytochemistry of Coriander." In Research Anthology on Recent Advancements in Ethnopharmacology and Nutraceuticals. IGI Global, 2022. http://dx.doi.org/10.4018/978-1-6684-3546-5.ch037.

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Coriander, named as Coriandrum sativum Linn, belongs to the family Umbelliferae and is one of the most popular and well-known spices/condiments and herbal medicines. The essential oils and fatty oils are the two major active chemical constituents present in the plant. The other minor ingredients found to be present are monoterpenes hydrocarbons i-e limonene, γ-terpinene, α-pinene, p-cymene, borneol, citronellol, camphor, geraniol, and geraniol acetate and abd heterocyclic components such as pyrazine, pyridine, thiazole, furan and tetrahudrofuran derivatives, isocoumarins, coriandrin, dihydrocoriandrin, coriandrons A-E, flavonoids. The volatile oil from the leaf contains aromatic acids such as 2-decenoic acid, E-11-tetradecenoic acid, undecyl alcohol, tridecanoic acid, capric acid, undecanoic acid, and more. The current pharmacological research reveals the application of coriander has antibacterial and antifungal activity.
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Conference papers on the topic "Citronella plants"

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Silvianti, Risna, Warsito, and Chandrawati Cahyani. "Separation Process of Citronellal and Rhodinol from Citronella Oil using Vacuum Fractionations at Pilot Plant Scale." In 2nd International Conference of Essential Oil Indonesia. SCITEPRESS - Science and Technology Publications, 2019. http://dx.doi.org/10.5220/0009957300910095.

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Dittmar, Gary. "SECARB – Plant Barry to Citronelle." In 8th Annual Southeast Regional Carbon Sequestration Partnership Stakeholders’ Briefing. US DOE, 2013. http://dx.doi.org/10.2172/1765142.

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Rienoviar, Nami Lestari, Eddy Sapto Hartanto, et al. "Characteristics of the active compound of crude citronella oil from several places grown in Bogor." In INTERNATIONAL CONFERENCE ON ORGANIC AND APPLIED CHEMISTRY (ICOAC) 2022. AIP Publishing, 2024. http://dx.doi.org/10.1063/5.0185611.

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Angelova, Violina. "HEAVY METAL ACCUMULATION AND CHEMICAL COMPOSITION OF ESSENTIAL OILS OF LEMON BALM (MELISSA OFFICINALIS L.) CULTIVATED ON HEAVY METAL CONTAMINATED SOILS." In Fourth International Scientific Conference ITEMA Recent Advances in Information Technology, Tourism, Economics, Management and Agriculture. Association of Economists and Managers of the Balkans, Belgrade, Serbia, 2020. http://dx.doi.org/10.31410/itema.2020.287.

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Comparative research has been conducted to allow us to determine the content of heavy metals and chemical composition of lemon balm oils, as well as to identify the possibility of lemon balm growth on soils contaminated by heavy metals. The experimental plots were situated at different distances of 0.5 km, and 15 km, respectively, from the source of pollution the Non-Ferrous-Metal Works (MFMW) near Plovdiv, Bulgaria. On reaching the flowering stage the lemon balm plants were gathered. The content of heavy metals in leaves of lemon balm was determined by ICP. The essential oils of the lemon balm were obtained by steam distillation in laboratory conditions which were analyzed for heavy metals and chemical composition was determined. Lemon balm is a plant that is tolerant to heavy metals and can be grown on contaminated soils. Heavy metals do not affect the development of lemon balm and the quality and quantity of oil obtained from it. Forty components were identified in the oils. The quantity of identified compounds corresponds to 98.82-98.83% of the total oil content. Among the detected compounds, beta-citral (neral) (19.31-20.78%), alfa-citral (geranial) (18,65-19,12%), β-caryophyllene (14.76-16.28%), α-cadinol (3.88-4.74%), geranyl acetate (3.49-3.59%), trans-geraniol (3.40-3.51%), germacrene (3.18-3.28%), citronellal (2.94-3.03%), nerol (2.63-2.71%), neryl acetate (2.42 -2.49%) were the major compounds. The essential oil of Melissa officinalis L. can be a valuable product for farmers from polluted regions.
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Hill, Gerald. "SECARB Large-Scale CO2 Injection Tests: Post Injection Plans, Cranfield (Tuscaloosa Formation) and Citronelle (Paluxy Formation)." In CCS Working Group US-Canada Clean Energy Dialogue. US DOE, 2013. http://dx.doi.org/10.2172/1765144.

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Gutieva, N. M. "Sources for producing pelargoniums with fragrant leaves." In CURRENT STATE, PROBLEMS AND PROSPECTS OF THE DEVELOPMENT OF AGRARIAN SCIENCE. Federal State Budget Scientific Institution “Research Institute of Agriculture of Crimea”, 2020. http://dx.doi.org/10.33952/2542-0720-2020-5-9-10-13.

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Essential oil plants can heal our environment by destroying pathogens. They are especially in demand in resort areas where a large number of sanatoriums and recreation areas are situated. The creation of highly decorative varieties of pelargonium with pronounced phytoncidal properties is one of the priority areas of breeding research with representatives of the genus Pelargonium L`Herit. ex Ait at the All-Russian Institute of Floriculture and Subtropical Crops. According to the results of varietal studies and hybridological analysis of interspecific crossbreeding progenies, the sources of selection significant and important features were distinguished. From a large number of hybrids, we received 32 promising and 9 elite forms. There are five registered varieties of pelargonium with the rose-citrus aroma in the State Register of the Russian Federation. P. crispum, P. citronellum, Р. tomentosum, Р. сordifolium and fragrant pelargonium ‘Gemstone’ are recommended as source material for aroma selection.
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Cristina Filla, Mirela, Ana Carolina Lopes, Luciano Melo de Souza, and Vanessa Pavesi de Faria. "EFICÁCIA INSETICIDA DE FORMULAÇÕES COMERCIAIS SOBRE INSTARES ADULTOS DE Alphitobius diaperinus, PANZER." In ANAIS V CONTEC BRASIL 2024. Universidade Brasil, 2024. https://doi.org/10.63021/vcontec.978-6589249313.2024.art088.

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Introdução: Um dos principais desafios da avicultura comercial é o controle do cascudinho (Alphitobius diaperinus), pois é notável a sua resistência aos inseticidas comerciais. Sua morfologia, ciclo de vida curto e comportamentos adaptativos contribuem para uma rápida reinfestação, mesmo após a aplicação de produtos químicos. A crescente resistência aos métodos de controle convencionais sublinha a necessidade urgente de pesquisas aprofundadas para avaliar a eficácia dos inseticidas disponíveis e desenvolver novas estratégias de manejo. Objetivos: Este experimento tem como objetivo avaliar a atividade inseticida de formulações comerciais sobre adultos de cascudinho Alphitobius diaperinus. Material e Métodos: Processo CEUA/UB nº 230033. Para tal, os adultos dos insetos foram coletados de cama de frango em aviário no município de Descalvado/SP, durante o período de vazio sanitário. Para avaliar a eficácia dos inseticidas, os insetos foram alocados em placas de Petri com papel filtro, e cada placa recebeu 10 adultos em três repetições por tratamento. Foram realizados testes com diferentes concentrações de inseticidas, incluindo um grupo controle com água destilada, e a mortalidade dos insetos foi monitorada em intervalos de 1, 3, 16, 18, 24, 48, 72, 96 e 120 horas após o tratamento. A distribuição dos grupos quanto à classe medicamentosa foi: T0 - água destilada; T1 - Metrifonato triclorfon 98%; T2 - Cipermetrina 15%, Clorpirivos 25% e Citronela 1; T3 - Amitraz 12,5%; T4-Deltametrina 25%; e T5- Cipermetrina 15%, Clorpirivos 25% e Piperonila 1%. Resultados e Discussão: A análise dos tratamentos revelou diferenças significativas na eficácia dos inseticidas comerciais, como os produtos T2 e T5, com mortalidade final de 83% e 77%, respectivamente. Embora esses produtostenham demonstrado alguma eficácia, a resistência inicial dos cascudinhos aos inseticidas foi notada, o que contrasta com a ação eficaz que deveria atingir níveis iguais ou acima de 95%. Tanto o T2 quanto o T5 não apresentaram diferenças significativas na mortalidade final (P&lt;0,05). O T2 combina cipermetrina, clorpirifós e citronela, enquanto o T5 usa cipermetrina, clorpirifós e butóxido de piperonila, um sinergista de inseticidas. Os grupos T3 – Amitraz 12,5% e o T4 – Deltametrina 25% não apresentaram mortalidade significativa. Conclusão: Os resultados enaltecem a melhoria no efeito dos fármacos quando associados, indicando novos estudos de formulações medicamentosas com este perfil. Todavia, embora esses inseticidas ofereçam controle inicial eficiente, o seu uso repetitivo e descontrolado pode levar à seleção de cepas resistentes, reduzindo sua eficácia e exigindo aplicações mais frequentes. Portanto, o uso de testes de eficácia periódicos nos sistemas de produção avícola, tornam-se fundamentais para a vigilância e uso sustentável dos inseticidas na avicultura
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