Enhanced UV-B radiation increases glyphosate resistance in velvetleaf (Abutilon theophrasti).
作者： Lina Yin , Mingcai Zhang , Zhaohu Li , Liusheng Duan , Shiwen Wang
DOI: 10.1111/J.1751-1097.2012.01234.X
关键词:
摘要: Depletion of the ozone layer leads to increasing UV-B radiation on earth's surface, which may affect weeds and their responses herbicides. However, effect increased interaction herbicides are still obscure. The objective this study was compare glyphosate efficacy velvetleaf that grown under with without radiation. Leaf area, dry weight net photosynthesis seedlings were adversely affected by cuticle wax significantly 28% Glyphosate velvetleaf, evaluated shoot weight, decreased Exposure (14)C-glyphosate absorption from 49% 43%, also resulted in less translocation out treated leaves accumulation newly expanded leaves. decrease due changes distribution, attributed caused These results suggest be radiation, extent higher rates required achieve desired effects.
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