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Journal articles on the topic 'Allelopathic effect of plants'

Author: Grafiati

Published: 30 May 2022

Last updated: 31 July 2025

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1

Bakacsy, László, Luca Viktória Kardos, Ágnes Szepesi, Krisztina Napsugár Nagy, Andrea Vasas, and Gábor Feigl. "Investigation of the Allelopathic Effect of Two Invasive Plant Species in Rhizotron System." Life 14, no. 4 (2024): 475. http://dx.doi.org/10.3390/life14040475.

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A key question in plant invasion biology is why invasive plants are more competitive in their introduced habitat than in their native habitat. Studies show that invasive species exhibit allelopathy, influencing other plants by releasing chemicals. Research on allelopathy uses in vitro tests, investigating effects on seed germination and seedling development. Although soil plays a role in modifying allelopathic effects, observations with soil are rare and almost nothing is known about the root development of test plants developing in soil and the effects of allelopathic compounds on root archit

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Grakhov, V. P., O. I. Dzjuba, N. E. Ellanska, N. V. Zaimenko, N. A. Pavliuchenko, and I. P. Kharytonova. "Current world achievements in allelopathy researches." Ecology and Noospherology 25, no. 1-2 (2013): 121–35. http://dx.doi.org/10.15421/031412.

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Since the idea of the allelopathy emerged the numerous works contributed to the formulation of the notional base in this area of knowledge. In the present review the large number of the novel allelopathical methods and approaches, developed for several recent decades, are analyzed. Furthermore various opinions on the subject, the forms, the mechanisms and the symptoms of the allelopathy are compared. The interdependence between the notions of ‘allelopathy’, ‘competition’ and ‘interference’ is discovered. The separate attention is paid to a) the principles of the realization of allelopathic int

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Muhammad Arshad Ullah. "Products of allelopathic plants for organic weed management: Environmentally approach." Global Journal of Research in Biology and Pharmacy 1, no. 1 (2024): 031–39. http://dx.doi.org/10.58175/gjrbp.2022.1.1.0026.

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Allelopathic substances from different crops may have synergistic effects and can be applied in the mixture. In the previous research, several crop plants have been identified as phytotoxic against various weeds like sorghum, brassica, and sunflower. However, the effect of their tank mixture with each other was never studied in cotton before. Furthermore, it was not sure before this study whether the allele chemicals present in these crops viz. sorghum, sunflower and brassica can have synergistic or additive effects when applied in combination. Herbicides account for 42% of global pesticides’

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Bai, Jing Wen, Jing Wang, Bo Tao, and Chun Hong Teng. "Allelopathy and Preliminary Separation of Allelopathic Substance in the Extracts of Wheat Seed Germination." Advanced Materials Research 468-471 (February 2012): 565–68. http://dx.doi.org/10.4028/www.scientific.net/amr.468-471.565.

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One variety of durum wheat (Triticum durum L.), ‘Longfu 30’, was choosen to study the allelopathic effects of seed germination extracts on other plants. The allelopathic effects of different polarity extracts were measured in terms of germination rate and germination speed on a test cucumber variety ‘Jinyou No.2’ (Cucumis sativus L.), and the allelopathic substance in chloroform extract was preliminarily separated with HSCCC and determined by GC-MS. The results showed that the allelopathy of wheat seed germination extracts varied with the polarity of solvent, and the substance in chloroform ph

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Egushova, E. A., and O. V. Anokhina. "Allelopathic effect of weed extracts on vegetable seeds." IOP Conference Series: Earth and Environmental Science 1010, no. 1 (2022): 012104. http://dx.doi.org/10.1088/1755-1315/1010/1/012104.

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Abstract Protection of cultivated agricultural crops from weeds is one of the most important tasks of soil management as a science. Weed control is mainly dependent on the use of synthetic herbicides. The treatment of crops with herbicides inhibits and destroys not only weeds, but inhibits the growth and development of cultivated plants, and also affects the safety of crop production. Weed growth can be suppressed by the plants’ allelopathic effects. As a form of plant interaction in plant cenoses, allelopathy is a cycle of physiologically active substances (colins), which regulate internal an

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Cheng, Shipu, Fanru Xu, Zhiyong Lu, et al. "Allelopathic effects and composition of aqueous extracts from different parts of Galinsoga parviflora Cav. on Medicago sativa L. and Avena sativa L." PeerJ 13 (May 8, 2025): e19378. https://doi.org/10.7717/peerj.19378.

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Background Galinsoga parviflora Cav. is a high-risk invasive plant that seriously threatens the development of grasslands in southern China. However, the allelopathic effects on Medicago sativa L. and Avena sativa L., which are widely cultivated forages around the world, have not been reported. Methods To explore the allelopathic mechanism of G. parviflora, the allelopathic effects of aqueous extracts from different parts of G. parviflora on M. sativa and A. sativa were investigated. The germination rate (GR), germination potential (GP), seedling height, fresh weight, and chlorophyll content o

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Chaves Lobón, Natividad, Marisa González Félix, and Juan Carlos Alías Gallego. "Comparison of the Allelopathic Potential of Non-Native and Native Species of Mediterranean Ecosystems." Plants 12, no. 4 (2023): 972. http://dx.doi.org/10.3390/plants12040972.

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Allelopathy is a frequent interaction between species in Mediterranean ecosystems and it is also one of the proposed strategies to explain the colonisation of invasive species. To confirm the importance of allelopathic potential as a mechanism of invasion of non-native species in Mediterranean ecosystems, it would be advisable to compare the allelopathic effects of non-native plants with native plants on the same target species and thus avoid overestimating the role of phytotoxicity in the invasion process. The main objective of this work was to compare the allelopathic activity of native spec

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Tsarenko, P. M., N. V. Zaimenko, N. P. Didyk, B. O. Ivanytska, I. P. Kharytonova, and E. M. Demchenko. "Allelopathic effect of microalgae on winter wheat plants." Algologia 31, no. 3 (2021): 215–27. http://dx.doi.org/10.15407/alg31.03.215.

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The results of the study of the allelopathic activity of the culture medium of two species of green and charophyte microalgae (Chlorella vulgaris Beijer. and Interfillum terricola (J.B.Petersen) Mikhailyuk et al.) to winter wheat (Triticum aestivum L.) in model pot experiments with the aim to discover of physiological mechanisms of allelopathy and finding effective and safe compounds with growth-promoting effects. The microalgae culture medium was applied in a rate of 1; 3 and 10 mL per a pot (250 mL) filled with sifted and sterilized gray podzolic soil, before sowing wheat seeds. Test plants

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Xie, Yiqi, Libo Tian, Xu Han, and Yan Yang. "Research Advances in Allelopathy of Volatile Organic Compounds (VOCs) of Plants." Horticulturae 7, no. 9 (2021): 278. http://dx.doi.org/10.3390/horticulturae7090278.

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Allelopathy is an ecological phenomenon in which organisms interfere with each other. As a management strategy in agricultural systems, allelopathy can be mainly used to control weeds, resist pests, and disease and improve the interaction of soil nutrition and microorganisms. Volatile organic compounds (VOCs) are allelochemicals volatilized from plants and have been widely demonstrated to have different ecological functions. This review provides the recent advance in the allelopathic effects of VOCs on plants, such as growth, competition, dormancy, resistance of diseases and insect pests, cont

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Belz, Regina G., Karl Hurle, and Stephen O. Duke. "Dose-Response—A Challenge for Allelopathy?" Nonlinearity in Biology, Toxicology, Medicine 3, no. 2 (2005): nonlin.003.02.0. http://dx.doi.org/10.2201/nonlin.003.02.002.

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The response of an organism to a chemical depends, among other things, on the dose. Nonlinear dose-response relationships occur across a broad range of research fields, and are a well established tool to describe the basic mechanisms of phytotoxicity. The responses of plants to allelochemicals as biosynthesized phytotoxins, relate as well to nonlinearity and, thus, allelopathic effects can be adequately quantified by nonlinear mathematical modeling. The current paper applies the concept of nonlinearity to assorted aspects of allelopathy within several bioassays and reveals their analysis by no

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Boukhili, Mariem, Arnold Szilágyi, and Andrea Cheradil. "Allelopathic effect of five invasive plants on seed germination and growth of wild mustard." Review on Agriculture and Rural Development 11, no. 1-2 (2022): 181–85. http://dx.doi.org/10.14232/rard.2022.1-2.181-185.

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Presently, chemical control is the most used method for plant protection. However, it is not an approach that is environmentally sustainable. Alternative IPM methods include biological control such as Allelopathy can be a good alternative in plant protection.Allelopathy is defined as a direct or indirect interaction, whereby allelochemicals released by one organism influence the physiological processes of other neighboring organisms.Laboratory experiments were conducted to investigate the allelopathic effect of five weeds, Eriochloa villosa (ERIVI), Panicum miliaceum (PANMI), Cannabis sativa (

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Lipińska, Halina. "Allelopathic activity of some grass species on Phleum pratense seed germination subject to their density." Acta Agrobotanica 59, no. 2 (2012): 17–28. http://dx.doi.org/10.5586/aa.2006.058.

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Efficient utilization of allelopathy in the agricultural practice requires searching for some species and developmental stages when the allelopathic substances are generated in bioactive concentrations. That also requires the knowledge of allelopathy mechanisms and primarily its separation from the other aspects of plant activity, mainly from competition for environmental resources. This task, however, has remained vital in the studies on plant interference, being extremely difficult to perform under field conditions. Therefore, the studies were conducted in the laboratory. To determine the ac

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Sadeqifard, Somaye, Somaye Mirmostafaee, Mohammad Reza Joharchi, Jaleh Zandavifard, Majid Azizi, and Yoshiharu Fujii. "Evaluation of Allelopathic Activity Interactions of Some Medicinal Plants Using Fractional Inhibitory Concentration and Isobologram." Agronomy 12, no. 12 (2022): 3001. http://dx.doi.org/10.3390/agronomy12123001.

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Allelopathy is a physiological process with an ecological concept and application. Allelopathy is the result of the production of biologically active molecules by growing plants or their remains, which may have a direct effect on the growth and development of individuals of the same species or other species after changing their shape and entering the environment. As regards, the use of natural compounds in the control of weeds and pests is a priority. In this research, the allelopathic activity of 123 specimens of medicinal and aromatic plants were investigated individually by the dish-pack me

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Karpavicienė, Birutė, Julija Danilovienė, and Roberta Vykertaitė. "Congeneric comparison of allelopathic and autotoxic effects of four Solidago species." Botanica Serbica 43, no. 2 (2019): 175–86. http://dx.doi.org/10.2298/botserb1902175k.

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The invasive species Solidago canadensis and S. gigantea are known for having the potential to inhibit their neighbours through allelopathy. However, there are no data on allelopathic properties of the natural interspecific hybrid S. ?niederederi and no investigations comparing the allelopathic potential of native and invasive Solidago species. We therefore studied the allelopathic effect of aqueous leaf extracts of S. virgaurea, S. canadensis, S. gigantea and S. ?niederederi on two congeneric pairs of species (Festuca and Solidago) occurring naturally in communities with the tested Solidago s

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Muhammad, Z., N. Inayat, and A. Majeed. "Allelopathic Effect of Ficus benjamina Leaf Extract, Litter, and Mulch on Germination and Growth of Sunflower." Cercetari Agronomice in Moldova 51, no. 4 (2018): 36–46. http://dx.doi.org/10.2478/cerce-2018-0034.

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Abstract Allelopathy is an important biological process, which has direct or indirect effects on the germination and growth potentials of plants. Awareness about the allelopathic properties of plants which prevail in agricultural systems can help growers to amend crop cultivation patterns accordingly. In this study, we evaluated the allelopathic effects of Ficus benjamina on germination and early seedling growth of four hybrids of sunflower (Oliver, Parsun-3, SFH-80 and NK-S-278). Ethanolic and hot-water aqueous extracts from leaves, while litter and mulches of the test allelopathic plant sign

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Sothearith, Yourk, Kwame Sarpong Appiah, Hossein Mardani, et al. "Determination of the Allelopathic Potential of Cambodia’s Medicinal Plants Using the Dish Pack Method." Sustainability 13, no. 16 (2021): 9062. http://dx.doi.org/10.3390/su13169062.

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Plants produce several chemically diverse bioactive substances that may influence the growth and development of other organisms when released into the environment in a phenomenon called allelopathy. Several of these allelopathic species also have reported medicinal properties. In this study, the potential allelopathic effects of more than a hundred medicinal plants from Cambodia were tested using the dish pack method. The dish pack bioassay method specifically targets volatile allelochemicals. Twenty-five species were found to have significant inhibitory effects on lettuce radicle growth. Elev

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Hiradate, Syuntaro, Kenji Ohse, Akihiro Furubayashi, and Yoshiharu Fujii. "Quantitative Evaluation of Allelopathic Potentials in Soils: Total Activity Approach." Weed Science 58, no. 3 (2010): 258–64. http://dx.doi.org/10.1614/ws-d-09-00085.1.

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The allelopathic potential of a plant has been evaluated on the basis of two indicators: specific activity, which is the specific concentration of the allelochemical to exert a half-maximum effect on a receiver plant (EC50), and total activity in a plant, which is the ratio of the concentration of an allelochemical in the producing plant to its EC50. In the present study, a new indicator, total activity in a soil, which takes into account the effects of a soil on the allelopathy activity, is proposed because allelopathic activity is affected by the presence of soils. The total activity in a so

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Negi, Anjana, Daizy R. Batish, Harminder Pal Singh, and R. K. Kohli. "Allelopathic Effect of Leaves of Invasive tree Broussonetia papyrifera against some crop plants." Annals of Plant Sciences 5, no. 01 (2016): 1261. http://dx.doi.org/10.21746/aps.2016.01.003.

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Allelopathic effect of aqueous extracts of leaves of Broussonetia papyrifera (L.) Vent. was studied on germination and seedling growth of Triticum aestivum L. and Oryza sativa L. under laboratory conditions. The seed germination, seedling length, seedling dry weight and total chlorophyll content were reduced with the increasing treatment of concentration (0.5, 1, 2 and 4%) of B. papyrifera leaf extract as compared to the control. The inhibitory effect was more pronounced on the root length than on coleoptile length. The extracts were rich in phenolic compounds, which are the ubiquitous alleloc

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KYAW, Ei H., and Hisashi KATO-NOGUCHI. "Allelopathic potential of Acacia pennata (L.) Willd. leaf extracts against the seedling growth of six test plants." Notulae Botanicae Horti Agrobotanici Cluj-Napoca 48, no. 3 (2020): 1534–42. http://dx.doi.org/10.15835/nbha48312022.

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Acacia pennata (L.) Willd (Mimosaceae), a woody climbing plant, is used as a traditional medicinal plant in the South and Southeast Asia regions and has been documented to have various pharmacological effects. However, the allelopathy of this plant still remains unclear. Thus, the allelopathic potential of A. pennata leaf extracts was examined against the seedling growth of dicot plants [alfalfa (Medicago sativa L.), cress (Lepidium sativum L.), and lettuce (Lactuca sativa L.)] and monocot plants [barnyard grass (Echinochloa crus-galli (L.) Beauv.), Italian ryegrass (Lolium multiﬂorum Lam.), a

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SKRZYPEK, Edyta, Peter REPKA, Alina STACHURSKA-SWAKON, Beata BARABASZ-KRASNY, and Katarzyna MOZDZEN. "Allelopathic Effect of Aqueous Extracts from the Leaves of Peppermint (Mentha piperita L.) on Selected Physiological Processes of Common Sunflower (Helianthus annuus L.)." Notulae Botanicae Horti Agrobotanici Cluj-Napoca 43, no. 2 (2015): 335–42. http://dx.doi.org/10.15835/nbha43210034.

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In plants cultivation, some species influencing each other in a favorable manner, and others adversely affect the result of the release of physiologically active substances. These substances, called allelopathic compounds are excreted primarily by underground and aboveground plants’ organs or formed during the decomposition of their remains. Allelopathins show the inhibitory or stimulating effects on the processes of seed germination, growth and physiological activity of plants. The aim of the study was to determine the allelopathic effects of aqueous extracts from the peppermint (Mentha × pip

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Liu, Yujia, Bingju Zhao, Yumeng Han, Chunjing Zou, and Chenghuan Wang. "Responses of Sesamum indicum to Allelopathy of Coniferous and Broadleaved Trees." Ecologies 6, no. 1 (2025): 21. https://doi.org/10.3390/ecologies6010021.

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The relationships among species and the mechanics of those relationships are very complicated in mixed forests, and allelopathy is one of the most important mediators of these relationships. The types and quantities of allelopathic chemicals are different in coniferous and broadleaved trees; studying the responses of some sensitive plants, such as certain crops, to allelopathy mediated by the leaf extracts of coniferous and broadleaved trees would be an effective technique to evaluate the relationships among species in a mixed forest. In this paper, the effects of leaf extracts from Metasequoi

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Hoda, A. Abd El–Hamid, M. N. Ibrahim Lamis, Y. Ammar Mohamed, and A. Helmy Mohamed. "Allelopathic Effect of Neem (Azadirachta indica A. Juss) Aqueous leaf extract on The Germination and Growth of Some selected Crops and Weeds." Biolife 5, no. 4 (2022): 428–36. https://doi.org/10.5281/zenodo.7376409.

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<strong>ABSTRACT</strong> The present study was conducted to investigate the allelopathic effect of Neem leaf aqueous extract on the seed germination and growth of two crops (<em>Zea mays</em> L. and <em>Triticum aestivum</em> L.) and two weeds (<em>Bidens pilosa</em> L. and <em> Portulaca oleracea</em> L.). Also, the total phenols, flavonoids, saponins, tannins and alkaloids, were determined in the Neem leaves. The results indicated that the aqueous extract of Neem plant showed a remarkable allelopathic effect on the growth and germination of all test plant species. The effectiveness of

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Ali, Kawa A., and Kawa K. Miran. "Allelopathic Potential of Foliar Application of Aqueous Extracts of Chickpea on Growth and Yield of Chickpea." Polytechnic Journal 11, no. 2 (2021): 7–11. http://dx.doi.org/10.25156/ptj.v11n2y2021.pp7-11.

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A pot experiment was executed in the college of science, Salahaddin university glass house to investigate the allelopathic potentiality of aqueous chickpea Cicer arietinum L. seed extracts that was foliar sprayed on chickpea plants 45 days after sowing to estimate growth, yield, yield components, and seeds chemical characteristics. Results showed that the allelopathic effect was significant on chickpea plant height, number of pods per plant, seeds per pod, shoot dry weight, seed yield per plant, biological yield per plant, harvest index, hundred seeds weight, nitrogen, protein, and phosphorus

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Aniya, Yoshihiro Nomura, Kwame Sarpong Appiah, et al. "Relationship between the Antioxidant Activity and Allelopathic Activities of 55 Chinese Pharmaceutical Plants." Plants 11, no. 19 (2022): 2481. http://dx.doi.org/10.3390/plants11192481.

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Pharmaceutical plants contain several phytochemicals that are sources of myriad biological activities. These biological activities can be explored in multiple fields for the benefit of mankind. Pharmaceutical plants with high ethnobotanical indices (i.e., use value and relative frequency of citation) were reported with the potential to inhibit lettuce elongation through leachates and volatiles. The focus of the study was to assess Chinese pharmaceutical plants for both antioxidants, as well as allelopathic potentials to explore any underlying relationship. The estimation of antioxidative capac

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Laemah, Arofah, and Waewruedee Waewthongrak. "Allelopathic Effect of Eichhornia crassipes Aqueous Extract Against Growth of Mimosa pudica." Sains Malaysiana 51, no. 10 (2022): 3153–62. http://dx.doi.org/10.17576/jsm-2022-5110-03.

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Allelopathy is a phenomenon in which a plant produces allelochemicals that affect neighboring plants' growth and physiological processes. This study aimed to investigate the allelopathic effect of Eichhornia crassipes on the growth of Mimosa pudica seedlings. The experiment was conducted in the pot, where M. pudica seedlings were irrigated with aqueous leaf extract of E. crassipes at 5, 10 and 15% (w/v) concentrations once a week for four consecutive weeks. The experiment was carried out by Completely Randomized Design (CRD) with three replicates. The allelochemical contents of leaf extract we

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Frahm, Jan-Peter, Anja Specht, Kerstin Reifenrath, and Yelitza León Vargas. "Allelopathic effect of crustaceous lichens on epiphytic bryophytes and vascular plants." Nova Hedwigia 70, no. 1-2 (2000): 245–54. http://dx.doi.org/10.1127/nova.hedwigia/70/2000/245.

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García-Robles, Helena, Eva María Cañadas, Juan Lorite, and Emilia Fernández-Ondoño. "Trade-Off between Facilitation and Interference of Allelopathic Compounds in Vegetation Recovery: The Case of Rosmarinus officinalis in Degraded Gypsum Habitats." Plants 11, no. 3 (2022): 459. http://dx.doi.org/10.3390/plants11030459.

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Rosmarinus officinalis advantageously competes with other species in restored gypsum outcrops, and further research is needed to understand the causes. Specifically, we focus on the potential allelopathic effects derived from its terpenes on the emergence of gypsum species. To this end, we established 120 circular subplots in a previously restored gypsum outcrop, and randomly applied four different treatments based on the presence/absence of rosemary plants and their leaves on the soil. Afterwards, we conducted an experimental sowing of native gypsophiles. All subplots were monitored to estima

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Chick, Timothy, and J. James Kielbaso. "Allelopathy as an Inhibition Factor in Ornamental Tree Growth: Implications from the Literature." Arboriculture & Urban Forestry 24, no. 5 (1998): 274–79. http://dx.doi.org/10.48044/jauf.1998.033.

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Allelopathy is the process whereby plants produce toxins that limit the growth of other plant species. Forest ecology and agronomy research has dealt with this phenomenon tor some time, but there is a dearth of inquiry about allelopathy in ornamental and shade trees. A review of the literature suggests that herbaceous ground-cover toxins may interfere with nutrient uptake by damaging or destroying root cells, root hairs, and mycorrhizae. Soil texture appears to be a determinant in the extent of damage. Trees on poorly drained soils may be severely damaged, whereas those on well-drained sites m

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Kural, Leyla, and Reyyan Yergin Özkan. "Allelopathic potential of white cabbage on some plants." Plant, Soil and Environment 66, No. 11 (2020): 559–63. http://dx.doi.org/10.17221/386/2020-pse.

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The aim of this study carried out in 2017–2018 was to determine the effect of white cabbage (Brassica oleracea L.), which is known to have an allelopathic effect on the germination of some weed and cultural crops seeds. In addition to weeds, Amaranthus retroflexus L., Chenopodium album L. and Solanum nigrum L., cultural plants such as Zea mays L., Beta vulgaris L., were used in this study. It has been shown that the seed germination rate was decreased by the increased concentration of white cabbage post-harvest leaves extractions, which were made with different concentrations of aqueous and me

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Ishak, M. S., M. B. Nurul Ain, I. Sahid, and K. Mardiana-Jansar. "Allelopathic screening of Malaysian noxious weeds and several medicinal plants as potential alleloherbicides." Journal of Environmental Biology 42, no. 3(SI) (2021): 762–74. http://dx.doi.org/10.22438/jeb/42/3(si)/jeb-05.

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Aim: This research was conducted to assess the allelopathic potential of 100 plants species, including noxious weeds and medicinal plants of Malaysia as donor plant on the growth of Lactuca sativa (lettuce) as the recipient plant. This study was also carried out to justify common weeds found in Malaysia to act as a natural herbicide for weed management through allelopathy phenomenon. Methodology: Weed and medicinal plant species commonly found in Malaysia were identified according to their morphological characteristics. Sandwich method was carried out to determine the allelopathic potential of

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Kraus, Edwin, Margje Voeten, and Hans Lambers. "Allelopathic and autotoxic interactions in selected populations of Loliumperenne grown in monoculture and mixed culture." Functional Plant Biology 29, no. 12 (2002): 1465. http://dx.doi.org/10.1071/fp02063.

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Autotoxicity and allelopathy affect the respiration and yield of GL66 and GL72, two populations of perennial ryegrass (Lolium perenne L. cv. S23) that were originally selected for contrasting rates of mature-leaf dark respiration under conditions where allelopathic effects could not occur and autotoxic effects were minimal. The aim of this study was to further investigate growth and biomass allocation of these two populations in relation to their autotoxic and allelopathic properties. To this end, plants were subjected to two conditions (monoculture and mixed culture) and two treatments (growt

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PENG, Xiaobang. "Allelopathic Effects of Water Extracts of Maize Leaf on Three Chinese Herbal Medicinal Plants." Notulae Botanicae Horti Agrobotanici Cluj-Napoca 47, no. 1 (2018): 194–200. http://dx.doi.org/10.15835/nbha47111226.

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Plants generate various secondary metabolites named as allelochemicals that can be release into the environment and influence the growth and development of other plants or the same plant. The potential allelopathic effect of maize (Zea mays L.) on seed germination, seedling growth and physiology was investigated with three medicinal plants (Platycodon grandiflorum A.DC, Scutellaria baicalensis Georgi and Salvia miltiorrhiza Bge) with different concentrations (0, 0.5%, 1.0%, 2.5%, 5.0%, 10.0%). Low concentrations (0.5%, 1.0%) of maize leaf aqueous extract stimulated the germination and seedling

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N.V., Rositska. "Influence of drought on allelopathic properties of Pinus sylvestris L." Plant Introduction 85-86 (June 30, 2020): 41–49. https://doi.org/10.46341/PI2019001.

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The objective of this study is to evaluate the influence of drought on the allelopathic activity of <em>Pinus sylvestris</em> L. plants at the M.M. Gryshko National Botanical Garden, National Academy of Sciences of Ukraine. <strong>Material and methods. </strong>The choice of study objects was due to their habitat: plants of <em>P. sylvestris</em> grew in compliance with the necessary agricultural technology, including regular irrigation at site one (control) and in the conditions of drought at site two that models natural ecosystems (experiment). The allelopathic activity of leaves and soil w

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Teixeira, Antonio Zenon Antunes. "ALLELOPATHY AND FIRE CYCLE IN BRAZILIAN CERRADO." Revista Ibero-Americana de Humanidades, Ciências e Educação 9, no. 6 (2023): 1–25. http://dx.doi.org/10.51891/rease.v9i6.9830.

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Allelopathy refers to the effect of biochemical interactions from one plant to another plant including inhibitory and stimulatory effects. The products, allelochemicals are highly toxic, and the production of these compounds not only can be stimulated by plants and microorganism, but also by environment factors e.g. water stress, nutrient deficiency and temperature where these conditions are commonly found in the cerrado enviroment. Cerrado region is rich of plants which produce secondary metabolite, especially phenolic compounds and numerous vegetations have been investigated of their inhibit

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Roshchina, V. V., and G. A. Soltani. "Effects of Ozone (O3) on leaf secretory cell characteristics related to allelopathy of woody plants: Modelling allelopathic Interactions." Allelopathy Journal 51, no. 2 (2020): 209–20. http://dx.doi.org/10.26651/allelo.j/2020-51-2-1301.

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We studied the effects of ozone (O3) on the allelopathic medicinal trees/shrubs that influenced other species growing under their canopy in National Park Sochi, Russia (Caucasus region). Using model reactions, the action of rain leachates from these allelopathic trees/shrubs on the plants growing under their canopy was determined. Depending on the duration and intensity of exposure, the O3 treatment of test woody plants changed their (i) characteristics of leaves and their water extracts, (ii) colour and (iii) autofluorescence of secretory cells. Water extracts from the allelopathic woody dono

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G, VELU, RAJOGOPAL A, and PALANIAPPAN SP. "ALLELOPATHIC IMPACT OF COLOCASIA ON CROP PLANTS." Madras Agricultural Journal 81, November (1994): 580–83. http://dx.doi.org/10.29321/maj.10.a01586.

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The in vivo allelopathic effect of above ground portion of colocasia extract was assessed on germination, TDMP, VI and growth of rice, maize, ragi, cumbu, green gram, black gram, red gram, sesamum, sunflower, groundnut, sorghum and cotton at 10 and 30 DAS. The colocasia treatment drastically and significantly reduced, the germination, DMP and VI of rice, ragi, cumbu, black gram and goundnut. However, the other crops could resist the adverse allelopathic effect caused by colocasia, and higher DMP and VI recorded in the rest of the crops might be reflected in higher crop productivity. The advers

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Silva, Danúbio Lopes da, Marcos Aurélio Figueiredo dos Santos, Jose Weverton Almeida Bezerra, et al. "Cordia oncocalyx (Allemão) Baill. (Boraginaceae) Chemical Composition and Alelopathic Effect Against Weeds." Journal of Agricultural Science 10, no. 12 (2018): 262. http://dx.doi.org/10.5539/jas.v10n12p262.

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Through secondary metabolism, plants produce chemical compounds which when released into the environment can have effects on other species, such effect is called allelopathy. In this research we evaluated the Cordia oncocalyx (Boraginaceae) allelopathic potential against two weed species, Cenchrus echinatus and Calotropis procera, as well as quantified its phenolic compounds using HPLC-DAD. The experimental design was completely randomized with six treatments and one control group (distilled water). Each treatment consisted of four replicates with 25 seeds each, totaling 100 seeds per treatmen

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Nezbrytska, Inna, Oleg Usenko, Igor Konovets, et al. "Potential Use of Aquatic Vascular Plants to Control Cyanobacterial Blooms: A Review." Water 14, no. 11 (2022): 1727. http://dx.doi.org/10.3390/w14111727.

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Intense “blooming” of cyanobacteria (blue-green algae) caused by eutrophication and climate change poses a serious threat to freshwater ecosystems and drinking water safety. Preventing the proliferation of cyanobacteria and reducing water nutrient load is a priority for the restoration of eutrophic water bodies. Aquatic plants play an important role in the function and structure of aquatic ecosystems, affecting the physiochemistry of the water and bottom sediments, primary production, and biotic interactions that support a balanced ecosystem. This review examines the inhibitory effect of aquat

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Tsarenko, P. M., N. V. Zaimenko, N. P. Didyk, B. O. Ivanytska, I. P. Kharitonova, and E. M. Demchenko. "Allelopathic Effect of Microalgae on Winter Wheat Plants." International Journal on Algae 23, no. 4 (2021): 411–20. http://dx.doi.org/10.1615/interjalgae.v23.i4.80.

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Hamad, S. W., S. A. Rasul, K. Y. Naby, I. M. Dhahir, M. D. Abdulrahman, and S. H. Bapir. "Allelopathic Actions of Laurus nobilis on Seed Germination and Growth of Some Crop and Weed Species." IOP Conference Series: Earth and Environmental Science 1252, no. 1 (2023): 012043. http://dx.doi.org/10.1088/1755-1315/1252/1/012043.

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Abstract Allelopathy is a biochemical process that plants excrete several types of substances which have allelopathic effects on seed germination and seedling growth of other plants. This experiment was conducted to examine allelopathic effects of bay laurel (Laurus nobilis) aqueous shoot extract on seed germination and seedling growth of rapeseed (Brassica napus), wheat (Triticum aestivum), mung bean (Vigna radiata) and corn (Zea mays). The study was performed in sanitized petri dishes for seven days at 22C0. The experimental design was arranged for completely randomized design (CRD). In term

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Janusauskaite, Daiva. "Investigating the Phytotoxic Potential of Helianthus annuus on Germination and Seedling Morphological Parameters of Two Target Poaceae Species: Spring Barley and Spring Wheat." Agronomy 13, no. 12 (2023): 3064. http://dx.doi.org/10.3390/agronomy13123064.

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Allelopathy is a phenomenon that has both beneficial and deleterious influences among plants within the same ecosystem. The allelopathic activity of sunflower on cereals, one of the most popular crops in crop rotation, is still poorly studied and understood. This experiment was aimed at evaluating the allelopathic potential of aqueous extracts of different parts of the sunflower (Helianthus annuus L.) grown in the Boreal environmental zone on seedling morphological parameters of spring barley (Hordeum vulgare L.) and spring wheat (Triticum aestivum L.). The following three factors were studied

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Alemayehu, Yiftusira, Meseret Chimdesa, and Zekeria Yusuf. "Allelopathic Effects of Lantana camara L. Leaf Aqueous Extracts on Germination and Seedling Growth of Capsicum annuum L. and Daucus carota L." Scientifica 2024 (April 16, 2024): 1–9. http://dx.doi.org/10.1155/2024/9557081.

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Allelopathy is the chemical interactions between plants that might lead to either stimulation or inhibition of growth, community structure, and plant invasions. Lantana camara L. is a noxious invasive weed that negatively affects seed germination, seedling growth, and increases the mortality of the crop plant. The objective of this work was to assess allelopathic effect of L. camara leaf aqueous extract on germination and seedling growth of Capsicum annuum (pepper) and Daucus carota (carrot). The aqueous extract of Lantana leaf samples was used as a source of allelopathic effects. Data were co

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Li, Jiayu, Shunxian Lin, Qingxu Zhang, Qi Zhang, Wenwen Hu, and Haibin He. "Fine-root traits of allelopathic rice at the seedling stage and their relationship with allelopathic potential." PeerJ 7 (June 12, 2019): e7006. http://dx.doi.org/10.7717/peerj.7006.

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Background Allelopathic rice releases allelochemicals through its root systems, thereby exerting a negative effect on paddy weeds. This research aimed to evaluate the relationship between fine-root traits and the rice allelopathic potential at the seedling stage. Methods Two allelopathic rice cultivars, ‘PI312777’ and ‘Taichung Native1,’ and one non-allelopathic rice cultivar, ‘Lemont,’ were grown to the 3–6 leaf stage in a hydroponic system. Their fine roots were collected for morphological trait (root length, root surface area, root volume, and root tips number) in smaller diameter cutoffs a

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Li, Meixuan, Xiaohan Gai, Qian Bai, et al. "Allelopathic effects of six alfalfa varieties at three stubbles on the germination, seedling and root growth of green foxtail and barnyardgrass." PLOS ONE 19, no. 12 (2024): e0316137. https://doi.org/10.1371/journal.pone.0316137.

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Alfalfa (Medicago sativa) is known to release allelopathic substances to affect the germination and growth of other plants, which have the potential to be applied in controlling weeds. Green foxtail (Setaria viridis) and barnyardgrass (Echinochloa crus-galli), as malignant weeds worldwide, also pose a serious threat to alfalfa in northern China. In this study, the sensitivity of the two weeds to the extracts from the first, second, and third stubbles of six varieties were investigated to further reveal the allelopathic interference of different varieties of alfalfa on notorious weeds. The germ

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Hu, Si-Yi, Hui Gao, Jian Li, et al. "The latitudinal and longitudinal allelopathic patterns of an invasive alligator weed (Alternanthera philoxeroides) in China." PLOS ONE 18, no. 1 (2023): e0280866. http://dx.doi.org/10.1371/journal.pone.0280866.

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Allelopathy has been considered a good explanation for the successful invasion of some invasive plants. However, the real latitudinal and longitudinal allelopathic effects on native species have rarely been documented since many exotics have spread widely. We conducted a Petri dish experiment to determine the latitudinal and longitudinal allelopathic patterns of an invasive alligator weed (Alternanthera philoxeroides) on a common crop (Lactuca sativa) in China, and find what determines the allelopathic intensity. The results showed that the allelopathic effects of A. philoxeroides increased wi

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Wang, Kaili, Ting Wang, Cheng Ren, et al. "Aqueous Extracts of Three Herbs Allelopathically Inhibit Lettuce Germination but Promote Seedling Growth at Low Concentrations." Plants 11, no. 4 (2022): 486. http://dx.doi.org/10.3390/plants11040486.

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Allelopathy is an important process in plant communities. The effects of allelopathy on seed germination and seedling development have been extensively investigated. However, the influences of extract soaking time and concentration on the foregoing parameters are poorly understood. Here, we conducted a seed germination assay to determine the allelopathic effects of the donor herbs Achnatherum splendens (Trin.) Nevski, Artemisia frigida Willd., and Stellera chamaejasme L., from a degraded grassland ecosystem in northern China, on lettuce (Lactuca sativa L.) seed germination and early seedling g

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Siyar, S., Z. Chaudhry, and A. Majeed. "Comparative Phytotoxicity of Aqueous Extracts of Centaurea maculosa and Melilotus officinalis on Germinability and Growth of Wheat." Cercetari Agronomice in Moldova 50, no. 4 (2017): 29–35. http://dx.doi.org/10.1515/cerce-2017-0033.

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Abstract Weed incursion in cultivated fields is a serious biological problem, which causes considerable yield losses of economically important field crops through allelopathy and competitive interactions. Spotted knapweed (Centaurea maculosa) and yellow melilot (Melilotus officinalis) are among the most prevalent weeds in cultivated fields of Pakistan, particularly in wheat fields. Like many other weeds, they may pose allelopathic and competitive challenges to field crops. The objective of this study was to evaluate allelopathic potentials of the two weeds on germination and seedling growth of

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Radouane, Leila, and Thouraya Rhim. "Allelopathic interaction of pepper (Capsicum annuum) and pearl millet (Pennisetum glaucum) intercropped." International Journal of Environment 3, no. 1 (2014): 32–40. http://dx.doi.org/10.3126/ije.v3i1.9940.

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Intercropping is common practice in many regions of Tunisia, particularly in Cap-Bon where different crops such as tomato, pepper, cucumber, peanut, corn, pearl millet and sorghum are grown together in the same field and at the same time for self-sufficiency. A number of these crops and vegetables are known for their allelopathic activities. The interaction between plants could be within the individuals of the same species (intraspecific interaction or autotoxicity) or between different species (interspecific interaction or teletotoxicity). Little is known about allelopathic interaction of som

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Hussain, Iqtidar. "Inhibitory impact of Daraikh (Melia Azedarach) leaves litter on wheat (Triticum aestivum) seedling." JOURNAL OF WEED SCIENCE RESEARCH 27, no. 2 (2021): 191–200. http://dx.doi.org/10.28941/pjwsr.v27i2.876.

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A biological phenomenon by which one plant releases some chemicals in the environment that affect the rate of germination, its seedling emergence and physiology and overall growth of neighboring plants is called allelopathy. The significance of study was checked allelopathic phytochemical potential of Daraikh (Melia Azedarach L.) leaves on Wheat. Leaves litter were used to examine the allelopathic effects of Daraikh (Melia Azedarach) at five concentrations (100, 200, 300, 400 g, control) parameters studied germination percentage (%), Speed of germination, plant height (cm), root length (cm), S

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Kato-Noguchi, Hisashi. "Involvement of Allelopathy in the Invasive Potential of Tithonia diversifolia." Plants 9, no. 6 (2020): 766. http://dx.doi.org/10.3390/plants9060766.

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Tithonia diversifolia (Hemsl.) A. Gray (Asteraceae) is native to Mexico and Central America. The species is spreading quickly and has naturalized in more than 70 countries. It has often been recorded as a harmful invasive plant that disturbs native plant communities. Phytotoxic chemical interactions such as allelopathy between invasive plants and native plants have been reported to play an important role in the invasion. Evidence for allelopathy of T. diversifolia has accumulated in the literature over 30 years. Thus, the objective of this review was to discuss the possible involvement of alle

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