allelopathy research papers pdf

KIM, keywords: Allelochemicals, biological control, sustainable agriculture, abstract: The term of allelopathy refers to chemical interactions (inhibitory or stimulatory) between plants, between plants and microorganisms, and between microorganisms. This process is not negative allelopathy, although both processes can act together to enhance the survival rate of the plant species. (2009-12) Allelopathic potential of Cambodian rice lines under field conditions. Allelochemicals released by rice roots and residues in soil. Allelopathy is a biological phenomenon by which an organism produces one or more biochemicals that influence the germination, growth, survival, and reproduction of other organisms.

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(2009-12) Potential allelopathic rice lines for weed management in Cambodian rice production. Multifaceted approach to study allelochemicals in an ecosystem. A b c d e Willis, Rick. Many crop cultivars show strong allelopathic properties, of which rice ( Oryza sativa ) has been most studied. Rice allelopathy depends on variety and origin: Japonica rice is more allelopathic than Indica and Japonica-Indica hybrid. 29 See also edit References edit a b Stamp, Nancy (March 2003 "Out of the space essay conclusion quagmire of plant defense hypotheses The Quarterly Review of Biology, 78 (1 2355, doi :.1086/367580, pmid. Allelopathy is not universally accepted among ecologists and many have argued that its effects cannot be distinguished from the competition which results when two (or more) organisms attempt to use the same limited resource, to the detriment of one or both. In China around the first century AD, the author of Shennong Ben Cao Jing described 267 plants that had pesticidal abilities, including those with allelopathic effects. 26 A study of Kochia scoparia in northern Montana by two high school students 27 showed that when Kochia precedes spring wheat ( Triticum aestivum it reduces the spring wheat's growth. In 1970, Science published a study where caging the shrubs to exclude rodents and birds allowed grass to grow in the bare zones. More recently, critical review on rice allelopathy and the possibility for weed management reported that allelopathic characteristics in rice are quantitatively inherited and several allelopathy-involved traits have been identified.

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