3458 of biomass echinochloa crus

Weed management is the major biological constraint in paddy (Oryza sativa L.) producing areas. Predominantly, barnyard grass (Echinochloa crus-galli) a rice-mimicking weed that causes 57% of yield loss rice production. Conventionally, herbicides are site-specific inhibitors often used to suppress E. crus-galli growth. Acetyl-CoA carboxylase (ACCase) an important target for developing novel with...

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Demographic Processes Allow Echinochloa crus-galli to Compensate Seed Losses by Seed Predation

Journal: :Agronomy 2021

The effect of weed management that targets the seed stage on subsequent life stages is largely unknown. Post-dispersal predation reduces number seeds from soil surface before contribute to seedbank. Density-dependent processes can mitigate in stages. In this study, we tested if (i) targeting affects seedling stage; (ii) density-dependent mortality partly compensates abundance; and (iii) magnitu...

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Design, synthesis, biological activities and 3D-QSAR of new N,N'-diacylhydrazines containing 2,4-dichlorophenoxy moieties.

Journal: :Molecules 2013

Guo-Xiang Sun Zhao-Hui Sun Ming-Yan Yang Xing-Hai Liu Yi Ma Yun-Yang Wei

A series of new N,N'-diacylhydrazine derivatives were designed and synthesized. Their structures were verified by 1H-NMR, MS and elemental analysis. The herbicidal activities and plant growth regulating activity of these N,N'-diacylhydrazines were evaluated. The herbicidal activity results showed that most of these N,N'-diacyl-hydrazines showed excellent in vivo activities against Echinochloa c...

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