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Journal articles on the topic 'Azospirillum sp'

Author: Grafiati

Published: 3 June 2025

Last updated: 31 July 2025

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1

Tetelepta, Lady Diana, Triadiati ,, and Dan Nampiah Sukarno. "Pemacuan Pertumbuhan Melon (Cucumis melo L.) dengan Cendawan Mikoriza Arbuskula dan Bakteri Azospirillum sp." Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) 44, no. 2 (2016): 197. http://dx.doi.org/10.24831/jai.v44i2.13490.

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ABSTRACT<br /><br />Melon (Cucumis melo L.) is a high economic value horticultural crop that is cultivated in some regions of Indonesia under fertilization management. Application of inorganic fertilizer continuously can reduce soil microbial abundance. One of the soil microbial that promote plant growth is arbuscular mycorrhizal fungi (AMF) and Azospirillum sp. The aim of this study was to analysed the effect of AMF and Azospirillum sp. in promoting growth and production of melon. The experiment was carried out in a greenhouse and was arranged in a completely randomized design wit

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Mardya, Imra Atil, Gusmini Gusmini, and Agustian Agustian. "APLIKASI ULANG AZOSPIRILLUM TERSELEKSI PADA TANAMAN CABAI MERAH (Capsicum annum, L) YANG DITANAM PADA ULTISOL." Jurnal Solum 17, no. 2 (2020): 49. http://dx.doi.org/10.25077/jsolum.17.2.49-56.2020.

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The endophytic bacteria are bacteria whose life cycle is partially or completely associated in the host plant tissue in various kinds of relationships (symbiosis) that it undergoes. The potential of endophytic bacteria as microbial resources is widely used as a biological control for plants, including as the producer of phytohormones and the agent of biocontrol and biofertilizer. This study aims to test selected endophyte bacterial isolates from chili as a biofertilizer to meet the nutrient requirements that are useful during the vegetative growth period of red chili in Ultisols. The study use

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Hadiwiyono, Hadiwiyono, Faedah Fitriana, Susilo Hambeg Poromarto, and Vita Ratri Cahyani. "Kompatibilitas dan Efektivitas Azospirillum dan Streptomyces untuk Mengendalikan Penyakit Moler pada Bawang Merah di Alfisol Jumantono." Agrikultura 34, no. 3 (2024): 495. http://dx.doi.org/10.24198/agrikultura.v34i3.50413.

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Pengaruh Azospirillum sp. dan Streptomyces sp. secara terpisah sebagai perlakuan tunggal pada kegiatan budidaya tanaman telah banyak dilaporkan pada penelitian sebelumnya, tetapi sebagai perlakuan kombinasi sebagai agens hayati masih terbatas. Penelitian ini bertujuan untuk menganalisis kompatibilitas dan efektivitas Azospirillum sp. dan Streptomyces sp. untuk pengendalian penyakit moler yang disebabkan oleh Fusarium oxysporum f. sp. cepae (FOCe) dan pertumbuhan bawang merah di tanah Alfisol Jumantono. Penelitian terdiri dari uji in vitro (uji antagonisme dan uji kompatibilitas) dan uji in viv

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Arévalo Solsol, Nelly, and Rosario Zegarra Zegarra. "EFECTO DEL Azotobacter sp. Y EL Azospirillum sp. EN EL RENDIMIENTO DE ALGODÓN DE COLOR ( Gossypium barbadense L.) EN EL FUNDO LOS PICHONES, TACNA 2015." Ciencia & Desarrollo, no. 21 (June 11, 2019): 11–19. http://dx.doi.org/10.33326/26176033.2017.21.725.

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El objetivo de la presente investigación fue comparar los efectos del Azotobacter sp. y el Azospirillum sp. en el rendimiento del algodón de color (Gossypium barbadense L.j en el fundo Los Pichones- Tacna, paya cuyo efecto, se empleó el diseño experimental de DBCA con 5 tratamientos y 4 Bloques. Los tratamientos fueron: 2 kg/m2 M.O + 60-100-120 NPK (Ti), 2 kg/m2 M.O+ Azospirillum sp. (T2), 2 kg/m2 M.O + Azotobacter sp. (T3), 2 kg/m2 M.O + Azospirillum sp. +Azotobacter sp. (T4), 120-100-120 NPK (T5). Los resultados indican que los rendimientos con aplicación de materia orgánica, Azospirillum sp

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Amelia, Ria, Wulan Rahmani Akmal, and Eko Agus Suyono. "Enhancement of Astaxanthin Content in Mixed Culture of <I>Dunaliella<I/> sp. and <I>Azospirillum<I/> sp. under Light Intensity Treatment." Jurnal Ilmiah Perikanan dan Kelautan 15, no. 2 (2023): 430–37. http://dx.doi.org/10.20473/jipk.v15i2.38596.

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Highlight Research The growth rate was higher when Chlorella was induced by Azospirillum brasilense. The carbohydrate content increased when combined with Azospirillum brasilense. Determination of astaxanthin accumulation in Haematococcus pluvialis. Define condition favoring astaxanthin accumulation in Haematococcus pluvialis. Abstract Dunaliella sp. is a potential natural source of carotenoid pigments such as astaxanthin, β-carotene, and lutein. Dunaliella sp. can also accumulate other valuable products such as glycerol and protein. Another species is Azospirillum sp., which is known as micro

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dos Santos Ferreira, Natalia, Fernando Hayashi Sant’ Anna, Veronica Massena Reis, et al. "Genome-based reclassification of Azospirillum brasilense Sp245 as the type strain of Azospirillum baldaniorum sp. nov." International Journal of Systematic and Evolutionary Microbiology 70, no. 12 (2020): 6203–12. http://dx.doi.org/10.1099/ijsem.0.004517.

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Azospirillum sp. strain Sp245T, originally identified as belonging to Azospirillum brasilense , is recognized as a plant-growth-promoting rhizobacterium due to its ability to fix atmospheric nitrogen and to produce plant-beneficial compounds. Azospirillum sp. Sp245T and other related strains were isolated from the root surfaces of different plants in Brazil. Cells are Gram-negative, curved or slightly curved rods, and motile with polar and lateral flagella. Their growth temperature varies between 20 to 38 °C and their carbon source utilization is similar to other Azospirillum species. A prelim

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Vivanco-Galván, Oscar, Danny Carrión, and Daniel Capa-Mora. "Efecto de la aplicación de Azospirillum sp. y Azotobacter sp. sobre el crecimiento y productividad de kikuyo (Pennisetum clandestinum)." Bionatura 6, no. 4 (2021): 2156–60. http://dx.doi.org/10.21931/rb/2021.06.04.4.

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El uso de bacterias promotoras de crecimiento vegetal (BPCV), es considerada como una alternativa para sustituir los fertilizantes químicos, ya que favorece la productividad de las especies vegetales. El presente estudio evalúo el efecto de BPCV de los géneros Azospirillum sp. y Azotobacter sp. en el cultivo del Pennisetum clandestinum (kikuyo), sobre altura de la planta, largo máximo de la hoja, largo de raíces, biomasa fresca y proteína total. La aplicación de las bacterias se realizó periódicamente sobre el cultivo, la primera inoculación fue luego del arado del terreno y posterior a ello c

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Abdulkareem, Mohammed, Hadi M. Aboud, Hutham M. Saood, and Mohammed K. Shibly. "Antagonistic Activity of Some Plant Growth Rhizobacteria to Fusarium Graminearum." International Journal of Phytopathology 3, no. 1 (2014): 49–54. http://dx.doi.org/10.33687/phytopath.003.01.0660.

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Biological control is an efficient and environmentally friendly way to prevent plant disease. In vitro technique was used to investigate the ability of Azospirillum sp., Azotobacter chroococcum, Pseudomonas flourscnes, Bacillus subtilis and Bacillus pumilus in order to control Fusarium graminearum. Results of dual culture interaction test shows that the colony diameter of Fusarium graminearum was significantly reduced (P 0.05) when combined individually with Azotobacter chroococcum, Bacillus pumilus and Bacillus subtilis. However, Azospirillum sp. and Pseudomonas flourscnes comparing to the co

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Rilling, Joaquin I., Fumito Maruyama, Michael J. Sadowsky, Jacquelinne J. Acuña, and Milko A. Jorquera. "CRISPR loci-PCR as Tool for Tracking Azospirillum sp. Strain B510." Microorganisms 9, no. 7 (2021): 1351. http://dx.doi.org/10.3390/microorganisms9071351.

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Azospirillum-based plant and soil inoculants are widely used in agriculture. The inoculated Azospirillum strains are commonly tracked by both culture-dependent and culture-independent methods, which are time-consuming or expensive. In this context, clustered regularly interspaced short palindromic repeats (CRISPR) loci structure is unique in the bacterial genome, including some Azospirillum species. Here, we investigated the use of CRISPR loci to track specific Azospirillum strains in soils systems by PCR. Primer sets for Azospirillum sp. strain B510 were designed and evaluated by colony and e

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Nurmayulis and Maryati. "Kandungan Nitrogen dan Bobot Biji Kentang yang Diberi Pupuk Organik Difermentasi, Azospirillum Sp., dan Pupuk Nitrogen di Cisarua, Lembang, Jawa Barat." Journal of Tropical Soils 13, no. 3 (2008): 217–24. http://dx.doi.org/10.5400/jts.2008.v13i3.217-224.

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A research was conducted to study response of potato (Solanum tuberosum L.) plant to the application of fermented organic matter (‘porasi’) (0, 7.5, 15.0, and 22.5 t ha-1), without or with inoculation of Azospirillum sp., and N fertilizer (0, 86, 172, and 258 kg ha-1 N) and also to determine optimal rate of application of ‘porasi’ and N fertilizer without or with inoculant Azospirillum sp. Field experiments were carried out in Cisarua, Lembang West Java, from June 2003 to Nov. 2003. The experiments were done in a Randomized Block Design of factorial pattern of three factors, were replicated th

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Mehnaz, Samina, Brian Weselowski, and George Lazarovits. "Azospirillum canadense sp. nov., a nitrogen-fixing bacterium isolated from corn rhizosphere." International Journal of Systematic and Evolutionary Microbiology 57, no. 3 (2007): 620–24. http://dx.doi.org/10.1099/ijs.0.64804-0.

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A free-living diazotrophic strain, DS2T, was isolated from corn rhizosphere. Polyphasic taxonomy was performed including morphological characterization, Biolog analysis, and 16S rRNA, cpn60 and nifH gene sequence analyses. 16S rRNA gene sequence analysis indicated that strain DS2T was closely related to the genus Azospirillum (96 % similarity). Chemotaxonomic characteristics (DNA G+C content 67.9 mol%; Q-10 quinone system; major fatty acid 18 : 1ω7c) were also similar to those of the genus Azospirillum. In all the analyses, including phenotypic characterization using Biolog analysis and compar

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Román C., Nicolás, Gloria Mamani, and David García. "Caracterización molecular de bacteria Azospirillum sp, Azotobacter sp y Pseudomonas sp. promotoras del crecimiento vegatal de cultivos de Solanum tuberosum y Zea mays." Prospectiva Universitaria 10, no. 1 (2019): 89–97. http://dx.doi.org/10.26490/uncp.prospectivauniversitaria.2013.10.18.

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Con el objetivo de generar un banco autóctono con bacterias promotoras del crecimiento vegetal (PGPR) y su posterior utilización como inoculantes del suelo que disminuyan la fertilización química, se tomaron muestras de raíces de cultivos de papa (Solanum tuberosum Var Canchan) y de maíz (Zea mayz Var Blanco mejorado) tratados con cinco tipos de abonamiento: estiércol de ovino, cuy y vacuno, fertilización química y sin fertilizante, de las cuales se aislaron cepas de bacterias nitrificantes correspondientes a los géneros Azospirillum, Azotobacter y Pseudomonas. Las bacterias fueron diferenciad

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Widawati, S., and Agus Muharam. "Uji Laboratorium Azospirillum sp. yang Diisolasi dari Beberapa Ekosistem." Jurnal Hortikultura 22, no. 3 (2013): 258. http://dx.doi.org/10.21082/jhort.v22n3.2012.p258-267.

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ABSTRAK. Beberapa mikrob yang bersifat nonpatogenik dan nonsimbiotik yang efektif menambat nitrogen dari udara serta mampu melarutkan P terikat pada Ca, Al, dan Fe dalam tanah, dapat hidup dalam berbagai ekosistem di alam. Sebagian bakteri tersebut dapat diisolasi dari daerah perakaran tanaman hortikultura. Penelitian bertujuan mengetahui peran Azospirillum sp. yang potensial sebagai pendorong pertumbuhan tanaman pada ekosistem pantai dan kondisi lingkungan yang ekstrim. Pengujian terhadap isolat bakteri yang dikumpulkan dari berbagai kondisi ekosistem dilaksanakan di Laboratorium Ekofisiologi

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R, DURAI, and RAVICHANDRAN V.K. "AZOSPIRILLUM INOCULATION ON SUGARCANE." Madras Agricultural Journal 83, November (1996): 691–93. http://dx.doi.org/10.29321/maj.10.a01085.

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Field experiments were conducted at the Sugarcane Research Station, Cuddalore with the objective of finding out the use of Azospirillum sp. as a supplemental source of N in sugarcane crop cv Co. 6304. Application of 7 kg of Azospirillum sp. along with 225 kg of N ha recorded same cane yield to that of 300 kg N ha", resulting in a saving of 75 kg N ha. The influence of Azospirillum was more evident at optimum N levels rather than at higher levels.

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Lin, Shih-Yao, You-Cheng Liu, Asif Hameed, et al. "Azospirillum fermentarium sp. nov., a nitrogen-fixing species isolated from a fermenter." International Journal of Systematic and Evolutionary Microbiology 63, Pt_10 (2013): 3762–68. http://dx.doi.org/10.1099/ijs.0.050872-0.

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An aerobic, Gram-stain-negative, spiral or rod-shaped, non-spore-forming, diazotrophic bacterium (strain CC-LY743T) was isolated from a fermentative tank in Taiwan. Strain CC-LY743T was able to grow at 20–37 °C and pH 6.0–8.0 and tolerated up to 3.0 % (w/v) NaCl. It was positive for nitrogen fixation, with activity of 10.6 nmol ethylene h−1. 16S rRNA gene sequence analysis of strain CC-LY743T showed highest similarity to Azospirillum picis DSM 19922T (96.1 %), Azospirillum oryzae JCM 21588T (96.0 %) and Azospirillum rugosum DSM 19657T (96.0 %) and lower similarity (<96.0 %) to all other Azo

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Шевченко, Л. А., М. М. Селінний, Г. І. Рябуха та К. М. Кудряшова. "ВПЛИВ ПЕРЕДПОСІВНОЇ ІНОКУЛЯЦІЇ НАСІННЯ НА ПРОДУКТИВНІСТЬ РІЗНИХ СОРТІВ ПШЕНИЦІ ОЗИМОЇ". Bulletin of Sumy National Agrarian University. The series: Agronomy and Biology 47, № 1 (2022): 138–43. http://dx.doi.org/10.32845/agrobio.2022.1.19.

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Досліджено дію передпосівної інокуляції Azospirillum sp. і Bacillus sp. 4 та сортових особливостей пшениці озимої на зернову продуктивність культури. Визначено вплив досліджуваних факторів на формування елементів структури урожаю. Зокрема, встановлено, що маса 1000 насінин по варіантам у середньому становила від 32,8 до 37,9 г для сорту Артіст, та від 40,4 до 43,3 г для сорту Тобак. При інокуляції посівного матеріалу показник знаходився у межах 33,6–35,9 г (сорт Артіст) та 41,3–42,3 г (сорт Тобак). Сумісне застосування Azospirillum sp. та Bacillus sp. 4 для бактеризації сприяло збільшенню маси

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Lavrinenko, Ksenia, Elena Chernousova, Elena Gridneva, et al. "Azospirillum thiophilum sp. nov., a diazotrophic bacterium isolated from a sulfide spring." International Journal of Systematic and Evolutionary Microbiology 60, no. 12 (2010): 2832–37. http://dx.doi.org/10.1099/ijs.0.018853-0.

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A novel nitrogen-fixing strain, designated BV-ST, was isolated from a sulfur bacterial mat collected from a sulfide spring of the Stavropol Krai, North Caucasus, Russia. Strain BV-ST grew optimally at pH 7.5 and 37 °C. According to the results of phylogenetic analysis, strain BV-ST belonged to the genus Azospirillum within the family Rhodospirillaceae of the class Alphaproteobacteria. Within the genus Azospirillum, strain BV-ST was most closely related to Azospirillum doebereinerae GSF71T, A. picis IMMIB TAR-3T and A. lipoferum ATCC 29707T (97.7, 97.7 and 97.4 % 16S rRNA gene sequence similari

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Lin, Shih-Yao, Fo-Ting Shen, Li-Sen Young, Zhi-Long Zhu, Wen-Ming Chen, and Chiu-Chung Young. "Azospirillum formosense sp. nov., a diazotroph from agricultural soil." International Journal of Systematic and Evolutionary Microbiology 62, Pt_5 (2012): 1185–90. http://dx.doi.org/10.1099/ijs.0.030585-0.

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A Gram-negative, spiral or rod-shaped, non-spore-forming diazotrophic bacterium, designated CC-Nfb-7T, was isolated from agricultural soil in Yunlin County, Taiwan. 16S rRNA gene sequence analysis showed that strain CC-Nfb-7T was most closely related to Azospirillum brasilense DSM 1690T (97.4 % 16S rRNA gene sequence similarity), Azospirillum rugosum IMMIB AFH-6T (96.8 %) and Azospirillum oryzae JCM 21588T (96.6 %); <96.5 % 16S rRNA gene sequence similarity was found with all other members of the genus Azospirillum . DNA–DNA relatedness between strain CC-Nfb-7T and A. brasilense DSM 1690T,

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Lestari, Puji, Dwi N. Susilowati, and Eny I. Riyanti. "Pengaruh Hormon Asam Indol Asetat yang Dihasilkan Azospirillum sp. terhadap Perkembangan Akar Padi." Jurnal AgroBiogen 3, no. 2 (2016): 66. http://dx.doi.org/10.21082/jbio.v3n2.2007.p66-72.

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<p>Free-living bacteria of the<br />genus Azospirillum live in close association with rice roots.<br />This bacteria produced indole acetic acid (IAA), a plant<br />growth hormon, to the environment. IAA was isolated from<br />cultures of Azospirillum strains and investigated for its effect<br />on root development and plant height of rice variety IR64 in<br />vitro. Rice cultures of variety IR64 were grown in vitro and<br />inoculated with cultures of Azospirilllum. Production of IAA<br />by the bacterium during its growth period in rice c

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Ethica, Stalis Norma, Dilin Rahayu Nataningtyas, Puji Lestari, et al. "COMPARATIVE EVALUATION OF CONVENTIONAL VERSUS RAPID METHODS FOR AMPLIFIABLE GENOMIC DNA ISOLATION OF CULTURED Azospirillum sp. JG3." Indonesian Journal of Chemistry 13, no. 3 (2013): 248–53. http://dx.doi.org/10.22146/ijc.21284.

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As an initial attempt to reveal genetic information of Azospirillum sp. JG3 strain, which is still absence despite of the strains' ability in producing valued enzymes, two groups of conventional methods: lysis-enzyme and column-kit; and two rapid methods: thermal disruption and intact colony were evaluated. The aim is to determine the most practical method for obtaining high-grade PCR product using degenerate primers as part of routine-basis protocols for studying the molecular genetics of the Azospirillal bacteria. The evaluation includes the assessment of electrophoresis gel visualization, p

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Kassogué, Adounigna, Bakary Tounkara, Ibrahima Mallé, et al. "Improving Sorghum (Sorghum bicolor L.) Production through the Use of Azospirillum sp. AZ6 and Trichoderma harzianum T4-Based Biostimulants." Journal of Advances in Microbiology 24, no. 10 (2024): 29–36. http://dx.doi.org/10.9734/jamb/2024/v24i10855.

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Objectives: The objective(s) of the present experiment was to evaluate the effect of Azospirillum sp. AZ6 and Trichoderma harzianum T4-based biostimulants formulated in Mali on the growth and yield of Sorghum in Mali field during monsoon season. Study Design: The experiment was conducted in a completely randomized block design with three treatments. The blocking factor was the direction of rainwater runoff. Methodology: The study was carried out in the rural commune of Ouéléssebougou located in the Sudanian. The sorghum seeds inoculated or non-inoculated with Azozpirillum sp. AZ6, Trichoderma

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Riana Ningsih, Dian, Ari Asnani, and Amin Fatoni. "PEMBUATAN DEKSTRIN DARI PATI UBI KAYU MENGGUNAKAN ENZIM AMILASE DARI AZOSPIRILLUM sp. JG3 DAN KARAKTERISASINYA." Molekul 5, no. 1 (2010): 15. http://dx.doi.org/10.20884/1.jm.2010.5.1.72.

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Amylase enzyme is used to hydrolyze starch into simpler molecules such as dextrin. Amylase can be isolated fromAzospirillum sp. JG3 bacteria. The purpose of this study was to characterize dextrins from cassava starch (Manihot esculenta) is catalyzed by the enzyme amylase from Azospirillum sp. JG3 bacteria. Stages of this study are: determination of optimum substrat and to analyze the chemical and physical dextrins including moisture content, ash content, dexstrosa equivalent (DE) and the yield obtained. The result of this research showed that optimum condition hydrolysis starch of cassava that

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FAUZI, MUHAMMAD, HARI ROEM HARIYADI, MIEKE ROCHIMI SETIAWATI, ASRI PENI WULANDARI, and PUJAWATI SURYATMANA. "Selection and characterization of soil microorganisms in hydrocarbon biodegradation on crude oil contaminated media." Asian Journal of Tropical Biotechnology 14, no. 2 (2017): 32–36. https://doi.org/10.13057/biotek/c140202.

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Abstract. Fauzi M, Hariyadi HR, Setiawati MR, Wulandari AP, Suryatmana P. 2017. Selection and characterization of soil microorganisms in hydrocarbon biodegradation on crude oil contaminated media. Bioteknologi 14: 32-36. This study aims to find the microorganisms that have the ability to degrade hydrocarbon in crude oil contaminated media. The crude oil was taken from PT, Pertamina RU VI, Balongan, Indramayu, West Java, Indonesia. This study was carried out from September to October 2016 in Laboratory of Soil Microbiology, Universitas Padjadjaran, Sumedang, West Java, Indonesia. The strains we

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Dartora, Janaína, Vandeir F. Guimarães, Cid R. J. Menezes, Mariângela B. Freiberger, Gustavo Castoldi, and Edilaine D. V. Gonçalves. "Maize response to inoculation with strains of plant growth-promoting bactéria." Revista Brasileira de Engenharia Agrícola e Ambiental 20, no. 7 (2016): 606–11. http://dx.doi.org/10.1590/1807-1929/agriambi.v20n7p606-611.

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ABSTRACT The aim of this study was to evaluate the response of maize to inoculation with strains of plant growth-promoting bacteria (PGPB) in two cultivation years. The experiment was set in a randomized block design with four replicates in two cultivation years (2012/13 and 2013/14). The treatments consisted of PGPB inoculation: control (without N and without inoculation); 30 kg of N ha-1 at sowing (N1); 160 kg of N ha-1 (N1 + 130 kg of N ha-1 as top-dressing); N1 + A. brasilense, Ab-V5; N1 + A. brasilense, HM053; N1 + Azospirillum sp. L26; N1 + Azospirillum sp. L27; N1 + Enhydrobacter sp. 43

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S, BALAMURUGAN, and GUNASEKARAN S. "EFFECT OF COMBINED INOCULATION OF Rhizobium sp., Azospirillum AND PHOSPHOBACTERIA IN GROUNDNUT." Madras Agricultural Journal 83, Augest (1996): 506–8. http://dx.doi.org/10.29321/maj.10.a01044.

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A filed trial was conducted at the Agricultural Research station, Aliyarnagar to study the effect of combined inoculation of rhizobial strains viz.. Tt9 and TNAU 14 along with Azospirillum brasilense Sp 7 and phosphobacteria (Bacillus megaterium var. phosphaticum) PB 1 in groundnut var. Co.1. The combined inoculation of Rhizobium, Azospirillum and phosphobacteria produced maximum crop growth nodule number, plant nutrient content and yield compared to individual inoculation or dual inoculation of Rhizobium with Azospirillum or phosphobacteria.

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Gopalaswamy, G., and P. Vidhyasekaran. "Response of Different Rice Varieties to Azospirillum sp. Inoculation." International Rice Research Newsletter 13, no. 3 (1988): 23. https://doi.org/10.5281/zenodo.7136044.

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This article 'Response of Different Rice Varieties to Azospirillum sp. Inoculation' appeared in the International Rice Research Newsletter series, created by the International Rice Research Institute (IRRI). The primary objective of this publication was to expedite communication among scientists concerned with the development of improved technology for rice and for rice based cropping systems. This publication will report what scientists are doing to increase the production of rice in as much as this crop feeds the most densely populated and land scarce nations in the world.

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Gonchar, Yu A. "SCREENING OF DIASOTROPHS, CAPABLE TO FORM EFFECTIVE ASSOCIATIONS WITH WHEAT PLANTS." Agriciltural microbiology 6 (February 20, 2008): 92–102. http://dx.doi.org/10.35868/1997-3004.6.92-102.

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It is carried out a screening of diazotrophs, allocated from rhizosphere and rhizoplane of wheat plants of 13 sorts. It is shown, that strain Azospirillum sp. 77, allocated from rhizoplane of a spring wheat of sort Varyag, was characterized by the greatest nitrogenase activity. Inoculation of wheat seeds by specified strain promoted the increase of its germination on 22,3 % and dry weight of sprouts increase on 18,2 % in comparison with the control, that testifies the ability of Azospirillum sp. 77 to produce biologically active substances. The researched strain causes deformations of root fuz

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Hadi Mahdi Alsaady, Majida, Hussein Ali Salim, Rakib A. Al-ani, Hadi M. Aboud, and Jamal Talib M Al Roubaie. "Antagonistic effectiveness of some bacteria against Fusarium graminearum causing crown rot disease on wheat (Triticum aestivum)." Diyala Agricultural Sciences Journal 13, no. 1 (2021): 69–80. http://dx.doi.org/10.52951/dasj.21130107.

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In this study, the antagonistic effect of five bacteria genera namely Bacillus, Pseudomonas, Azotobacter, Azospirillum, and Streptomyces isolated from rhizosphere of wheat were evaluated against Fusarium graminearum as potential biocontrol agents in vitro. F. graminearum was molecularly diagnosed using the Polymerase chain reaction (PCR) technique. Each bacteria were tested for the production of catalase enzyme, oxidase enzyme, analysis of starch, analyze of gelatin, and the motility, where Azotobacter, Azospirillum, and Bacillus subtilis were positive for all tested. Fungal inhibition tests w

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Furtak, Karolina, Karolina Gawryjołek, Anna Gałązka, and Jarosław Grządziel. "The Response of Red Clover (Trifolium pratense L.) to Separate and Mixed Inoculations with Rhizobium leguminosarum and Azospirillum brasilense in Presence of Polycyclic Aromatic Hydrocarbons." International Journal of Environmental Research and Public Health 17, no. 16 (2020): 5751. http://dx.doi.org/10.3390/ijerph17165751.

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This study aimed to evaluate the impact of co-inoculation Rhizobium sp. and Azospirillum sp. on plant (Trifolium pratense L.) growth in the presence of polycyclic aromatic hydrocarbon (PAH) contamination (anthracene, phenanthrene, and pyrene). Eight strains from the genus Rhizobium leguminosarum bv. trifolii were selected for biotest analysis. Two methods of inoculation were used in the chamber experiment: (1) R. leguminosarum alone and (2) a combined inoculant (R. leguminosarum and Azospirillum brasilense). For comparison, non-contaminated controls were also used. The results demonstrated tha

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Altamirano, Luz, Edwin Ramos, Sebastian Iglesias-Osores, and Carmen Carreño-Farfán. "Potencialidades de bacterias productoras de polihidroxialcanoatos (PHA) aisladas de Asparagus officinalis L." Revista Mexicana de Ciencias Agrícolas 13, no. 8 (2022): 1349–60. http://dx.doi.org/10.29312/remexca.v13i8.2931.

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El objetivo fue determinar la producción de polihidroxialcanoatos producidos por bacterias potencialmente fijadoras de nitrógeno aisladas de Asparagus officinalis L., en 2017. El método utilizado fue; a través, de muestras de suelo rizosférico, raíces y tallos previamente desinfectados, se cultivaron en medios sin nitrógeno para aislar bacterias fijadoras rizosféricas y endófitas, respectivamente. En caldo fermentación con glicerol como fuente de carbono, se investigó la producción de gránulos de PHA por estas bacterias, coloreándolas con Sudan Negro B después de 24 y 48 h. Los dos cultivos ba

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Elslahi, Randa H., Awad G. Osman, Ashraf M. Sherif, and Adil A. Elhussein. "Comparative study of the fungicide Benomyl toxicity on some plant growth promoting bacteria and some fungi in pure cultures." Interdisciplinary Toxicology 7, no. 1 (2014): 12–16. http://dx.doi.org/10.2478/intox-2014-0002.

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Abstract Six laboratory experiments were carried out to investigate the effect of the fungicide Benomyl on pure cultures of some plant growth promoting bacteria (PGPB) and some fungi. The highest LD50 was recorded for Bacillus circulans and proved to be the most resistant to the fungicide, followed by Azospirillum braziliense, while Penicillium sp. was the most affected microorganism. LD50 values for the affected microorganisms were in 21-240 orders of magnitude lower in comparison with the LD50 value for Azospirillum braziliense. The results indicate a strong selectivity for Benomyl against R

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Vorobey, Y. O., O. V. Nadkernichna, O. A. Shahovnina, M. A. Ushakova та O. Y. Leonov. "СREATION OF EFFECTIVE ASSOCIATIONS “SPRING WHEAT-DIASOTROPHS OF GENUS AZOSPIRILLUM”". Agriciltural microbiology 8 (5 травня 2009): 71–81. http://dx.doi.org/10.35868/1997-3004.8.71-81.

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The spring wheat variety Varyag whith high potential nitrogenase activity and the greater contents of chlorophyll in leaves and the active strain of the bacteria Azospirillum sp. 77, selected from the washed roots of the spring wheat variety Varyag, were used for creation of effective association “wheat – diasotrophs of genus Azospirillum”. Inoculation of wheat variety Varyag seeds with the bacterial suspension Azospirillum sp. 77 promoted the reliable increase of nitrogenase activity on roots of plants (by 46 %), content of chlorophyll in leaves (by 18 %) and structural parameters of wheat cr

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Zhou, Shungui, Luchao Han, Yueqiang Wang, Guiqin Yang, Li Zhuang, and Pei Hu. "Azospirillum humicireducens sp. nov., a nitrogen-fixing bacterium isolated from a microbial fuel cell." International Journal of Systematic and Evolutionary Microbiology 63, Pt_7 (2013): 2618–24. http://dx.doi.org/10.1099/ijs.0.046813-0.

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A Gram-negative, facultative anaerobic, motile, spiral, straight-to-slightly curved rod-shaped and nitrogen-fixing strain, designated SgZ-5T, was isolated from a microbial fuel cell (MFC) and was characterized by means of a polyphasic approach. Growth occurred with 0–1 % (w/v) NaCl (optimum 1 %) and at pH 5.5–8.5 (optimum pH 7.2) and at 25–37 °C (optimum 30 °C) in nutrient broth (NB). The strain had the ability to grow under anaerobic conditions via the oxidation of various organic compounds coupled to the reduction of anthraquione-2,6-disulfonate (AQDS). Chemotaxonomic characteristics (main u

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Cruz, Dennis Ricardo Cabral, Adriano Stephan Nascente, Mariana Aguiar Silva, and Juracy Barroso Neto. "Root and shoot development of corn seedlings as affected by rhizobacteria." Colloquim Agrariae 18, no. 1 (2022): 53–63. http://dx.doi.org/10.5747/ca.2022.v18.n1.a479.

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Multifunctional microorganisms are beneficial microorganisms able of promoting plant growth through direct and indirect mechanisms. Because of this, has enormous potential for use when aiming a sustainable agriculture. The objective of this work was to determine the effect of seed inoculation with multifunctional microorganisms on the initial development of corn seedlings. The experiment was carried out under controlled conditions in a completely randomized design, with seven treatments and six replications. Treatments consisted of microbiolization of corn seeds with the rhizobacteria: 1. Burk

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Dalla Santa, Osmar R., Ramona Fernández Hernández, Gergina L. Michelena Alvarez, Pedro Ronzelli Junior, and Carlos Ricardo Soccol. "Azospirillum sp . inoculation in wheat, barley and oats seeds greenhouse experiments." Brazilian Archives of Biology and Technology 47, no. 6 (2004): 843–50. http://dx.doi.org/10.1590/s1516-89132004000600002.

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The aim of the present work was to evaluate the inoculation effects of Azospirillum sp. RAM-7 strain, in seeds of wheat, barley and oats cultures on yield and total nitrogen content of the grains in greenhouse experiments. Seeds inoculation with Azospirillum sp. RAM-7 strain enhanced grain yields, even so, the responses vary among the evaluated cultures. For wheat, significant increases were obtained when the inoculation was associated to 100% of the recommended nitrogen, although the treatment that received only inoculation produced 7.4% above the control, however this difference wasn't signi

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Germida, James J. "Isolation of Bdellovibrio spp. that prey on Azospirillum brasilense in soil." Canadian Journal of Microbiology 33, no. 5 (1987): 459–61. http://dx.doi.org/10.1139/m87-076.

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Bdellovibrios that prey on Azospirillum brasilense were isolated from a Latosol and a Podzolic soil from Brazil which were stored air-dried for 2 years. The addition of A. brasilense strain Cd or Sp 7 cells and nutrients to these soils stimulated growth of indigenous bdellovibrios; direct assay of these soils did not yield bdellovibrios. Two other Podzolic soils from Brazil and three Chernozemic soils from Canada did not contain detectable bdellovibrios. After enrichment with strain Cd cells, the Podzolic soil yielded 1340 bdellovibrios per g of soil, whereas enrichment with strain Sp 7 cells

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Peng, Guixiang, Huarong Wang, Guoxia Zhang, et al. "Azospirillum melinis sp. nov., a group of diazotrophs isolated from tropical molasses grass." International Journal of Systematic and Evolutionary Microbiology 56, no. 6 (2006): 1263–71. http://dx.doi.org/10.1099/ijs.0.64025-0.

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Fifteen bacterial strains isolated from molasses grass (Melinis minutiflora Beauv.) were identified as nitrogen-fixers by using the acetylene-reduction assay and PCR amplification of nifH gene fragments. These strains were classified as a unique group by insertion sequence-PCR fingerprinting, SDS-PAGE protein patterns, DNA–DNA hybridization, 16S rRNA gene sequencing and morphological characterization. Phylogenetic analysis of the 16S rRNA gene indicated that these diazotrophic strains belonged to the genus Azospirillum and were closely related to Azospirillum lipoferum (with 97.5 % similarity)

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Yang, Yunzhen, RanRan Zhang, Jie Feng, Chao Wang, and Jifeng Chen. "Azospirillum griseum sp. nov., isolated from lakewater." International Journal of Systematic and Evolutionary Microbiology 69, no. 12 (2019): 3676–81. http://dx.doi.org/10.1099/ijsem.0.003460.

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MOGHADAM, Mina Zarghami, and Mahmud SHOOR. "Effects of Vermi-compost and Two Bacterial Bio-fertilizers on some Quality Parameters of Petunia." Notulae Scientia Biologicae 5, no. 2 (2013): 226–31. http://dx.doi.org/10.15835/nsb528305.

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The present research was conducted to study the effect of vermi-compost and two bio-fertilizer applications on growth, yield and quality of petunia (Petunia hybrida). The experiment laid out in randomized block design with 3 replications and 9 treatment combinations composing of vermi-compost, bio-fertilizers and NPK fertilizer. The treatment receiving Azospirillum sp. + Phosphate solubilizing bacterium + Vermicompost + NPK (25% of recommended dose) recorded the highest plant height, number of branches, plant spread, leaf area index, dry matter accumulation and yield attributes such as number

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Lin, Shih-Yao, Asif Hameed, You-Cheng Liu, et al. "Azospirillum soli sp. nov., a nitrogen-fixing species isolated from agricultural soil." International Journal of Systematic and Evolutionary Microbiology 65, Pt_12 (2015): 4601–7. http://dx.doi.org/10.1099/ijsem.0.000618.

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An aerobic, Gram-stain-negative, rod or spiral-shaped diazotrophic bacterium (designated strain CC-LY788T), was isolated from agricultural soil in Taiwan. Strain CC-LY788T was able to grow at 25–40 °C, pH 6.0–8.0 and tolerated NaCl to 2.0% (w/v). Positive for nitrogen fixation with the activity recorded as 6.5 nmol ethylene h− 1. Strain CC-LY788T showed highest 16S rRNA gene sequence similarity to Azospirillum picis DSM 19922T (97.2%) and Azospirillum rugosum DSM 19657T (97.1%) and lower sequence similarities ( < 96.6%) to all other species of the genus Azospirillum. According to the DNA–DN

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Medeiros, Lorena Bezerra de, Antonio Maricélio Borges de Souza, Guilherme Rodrigues Vieira, et al. "Growth-promoting microorganisms in the development of orchid seedlings of Phalaenopsis, Cymbidium, and Dendrobium genera." Bioscience Journal 39 (August 18, 2023): e39092. http://dx.doi.org/10.14393/bj-v39n0a2023-66721.

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The demand for sustainable agricultural production systems is increasing, and using growth-promoting microorganisms in plants has stood out because it decreases or even replaces chemical fertilizer use, reducing production costs. This study aimed to evaluate the response of some microorganisms applied to the seedlings of primary orchids cultivated in Brazil (Phalaenopsis sp. 'Taisuco Swan', Cymbidium atropurpureum, and Dendrobium secundum). The experimental design was completely randomized. There were seven treatments (absence of microorganisms – control, Trichoderma sp. in sodium alginate, Tr

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Nursyabani, Desvia Diyanti, Pudjawati Suryatmana, and Rija Sudirja. "PENGARUH JENIS INOKULAN DAN DOSIS KOMPOS DALAM FITOREMEDIASI MENGGUNAKAN TANAMAN RAMI." Jurnal Penelitian Saintek 25, no. 1 (2020): 83–94. http://dx.doi.org/10.21831/jps.v25i1.20035.

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Penelitian ini bertujuan untuk mengetahui interaksi antara pemberian jenis inokulan dan kompos rami terhadap laju degradasi hidrokarbon, total populasi Azospirillum sp., dan diameter batang rami. Penelitian ini dilaksanakan dari bulan November 2017 sampai dengan Februari 2018 di Laboratorium Biologi Tanah, Laboratorium Kimia Tanah dan Nutrisi Tanaman, Rumah Kaca dan Kebun Percobaan Fakultas Pertanian Universitas Padjadjaran. Penelitian ini menggunakan rancangan percobaan acak kelompok (RAK) faktorial yang terdiri dari dua faktor yaitu jenis inokulan dan dosis kompos. Perhitungan total populasi

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Sivagamasundari, U., and A. Gandhi. "Enhancement of Vegetative Parameters of Brinjal in Proplates by the Application of Bacterial Endophytes - Azospirillum brasilense and Pseudomonas fluorescens." International Letters of Natural Sciences 27 (October 2014): 14–18. http://dx.doi.org/10.18052/www.scipress.com/ilns.27.14.

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An experiment was carried out with endophytic fixing bacteria Azospirillum brasilense and Pseudomonas fluorescens isolated from brinjal, in different combinations with inorganic fertilizers by seed inoculation of brinjal to observe preliminary vegetative growth at 15th and 30th day and pigment contents in vegetable nursery bed (proplates). A total number of 28 endophytic bacteria isolated from brinjal from three localities (Annamalai University, Karaikal and Putthur). Further the isolates were subjected to various biochemical tests for their species level identification and nitrogen fixing abi

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Sivagamasundari, U., and A. Gandhi. "Enhancement of Vegetative Parameters of Brinjal in Proplates by the Application of Bacterial Endophytes - <i>Azospirillum brasilense</i> and<i> Pseudomonas fluorescens</i>." International Letters of Natural Sciences 27 (October 15, 2014): 14–18. http://dx.doi.org/10.56431/p-bq77ed.

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An experiment was carried out with endophytic fixing bacteria Azospirillum brasilense and Pseudomonas fluorescens isolated from brinjal, in different combinations with inorganic fertilizers by seed inoculation of brinjal to observe preliminary vegetative growth at 15th and 30th day and pigment contents in vegetable nursery bed (proplates). A total number of 28 endophytic bacteria isolated from brinjal from three localities (Annamalai University, Karaikal and Putthur). Further the isolates were subjected to various biochemical tests for their species level identification and nitrogen fixing abi

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Mehnaz, Samina, Brian Weselowski, and George Lazarovits. "Azospirillum zeae sp. nov., a diazotrophic bacterium isolated from rhizosphere soil of Zea mays." International Journal of Systematic and Evolutionary Microbiology 57, no. 12 (2007): 2805–9. http://dx.doi.org/10.1099/ijs.0.65128-0.

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Two free-living nitrogen-fixing bacterial strains, N6 and N7T, were isolated from corn rhizosphere. A polyphasic taxonomic approach, including morphological characterization, Biolog analysis, DNA–DNA hybridization, and 16S rRNA, cpn60 and nifH gene sequence analysis, was taken to analyse the two strains. 16S rRNA gene sequence analysis indicated that strains N6 and N7T both belonged to the genus Azospirillum and were closely related to Azospirillum oryzae (98.7 and 98.8 % similarity, respectively) and Azospirillum lipoferum (97.5 and 97.6 % similarity, respectively). DNA–DNA hybridization of s

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Xie, Cheng-Hui, and Akira Yokota. "Azospirillum oryzae sp. nov., a nitrogen-fixing bacterium isolated from the roots of the rice plant Oryza sativa." International Journal of Systematic and Evolutionary Microbiology 55, no. 4 (2005): 1435–38. http://dx.doi.org/10.1099/ijs.0.63503-0.

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The taxonomic position of the free-living diazotrophic strain COC8T isolated from rice was investigated based on phylogenetic analyses. 16S rRNA gene sequence analyses indicated that strain COC8T was closely related to the genus Azospirillum (96 % similarity). Chemotaxonomic characteristics (G+C content of the DNA 66·8 mol%, Q-10 quinone system, 18 : 1ω7c as the major fatty acid and 14 : 0 3-OH and 16 : 0 3-OH as the major hydroxy fatty acids) were also similar to those of the genus Azospirillum. Based on its physiological characteristics, strain COC8T can clearly be differentiated from recogn

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Teodoro-Cerna, Elin, Eroncio Mendoza-Nieto, and Sergio Eduardo Contreras-Liza. "Grain Yield of Maize Hybrids in Response to Inoculation with Azospirillum sp. under Nitrogen Limiting Conditions in Huaura, Peru." Sustainable Agriculture Research 10, no. 1 (2020): 1. http://dx.doi.org/10.5539/sar.v10n1p1.

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This experiment was conducted to evaluate the effect of Azospirillum sp. inoculated with different nitrogen levels (0, 60, 90, 180 kg ha-1) on grain yield, yield components and agronomic traits of hybrid maize at the arid conditions of the central coast of Peru. The experimental design used was randomized complete block design with four replications per treatment, under the arrangement of subdivided plots, in which three corn hybrids were assigned to complete plots and four inoculant-N fertilization treatments, to the subplots. The results showed that for dose fertilization of 180 kg ha-1 of n

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Mendoza Villarreal, Rosalinda, Sergio Rodríguez Herrera, Marco Aurelio Puente Flores, and Arnoldo Oyervidez. "Efecto de la inoculación de cepas de Azospirillum sp. sobre altura, biomasa y contenido de nitrógeno en genotipos de maíz forrajero." Revista Agraria 3, no. 1-2-3 (2006): 18–23. http://dx.doi.org/10.59741/agraria.v3i1-2-3.527.

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El maíz forrajero es el alimento principal de la dieta de rumiantes por lo cual es necesario que tenga calidad nutritiva y alto rendimiento; para esto se requiere de fertilización química, como se hace tradicionalmente. Sin embargo, actualmente existen alternativas de fertilización orgánica como la biológica, por ejemplo, las bacterias de los géneros Azotobacter y Azospirillum además de hongos como micorrizas. Los objetivos de este estudio fueron: a) aislar e identificar cepas de Azospirillum sp. de tres localidades y b) evaluar el efecto de la inoculación de semilla en dos líneas élite de maí

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Mamaril, Juanita C., Elizabeth P. Ko, and Lorele C. Trinidad. "Introduction of Cosmid pHU 52 Into HUP Azospirillum SP. BSs 8 BY Transconjugation and Transformation." ASEAN Journal on Science and Technology for Development 5, no. 2 (2017): 69. http://dx.doi.org/10.29037/ajstd.156.

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Contreras-Liza, Sergio, Cristofer Yasiel Villadeza, Pedro M. Rodriguez-Grados, Edison Goethe Palomares, and Carlos I. Arbizu. "Yield and Agronomic Performance of Sweet Corn in Response to Inoculation with Azospirillum sp. under Arid Land Conditions." International Journal of Plant Biology 15, no. 3 (2024): 683–91. http://dx.doi.org/10.3390/ijpb15030050.

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Nitrogen is the most common limiting factor for crop productivity, and most maize cultivars require fertilizing. Here, we report on the possibility of partially replacing the nitrogenous fertilizer in sweet corn inoculated with a native strain of Azospirillum sp. in arid land on the coast of Peru. We performed an agronomic experiment in a crop field with arid soil under drip irrigation in Huacho (Peru) using a commercial variety of sweet corn. The treatments were two levels of nitrogen (90 and 180 kg N ha−1), one or two applications of a native strain of Azospirillum sp. (1 × 108 CFU/mL) and a

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