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植物病虫害研究(英文版)
2012,3
(2)
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Plant Diseases and Pests
2012,3
(2)
Herbicidal activities of Eupatorium adenophorum extracts by 3 extraction methods.
作 者：
Zha You-gui;Yongqing Li;Fan LiMing;Min Ye;Xiao Chun;Jing Wan
关键词：
soxhlet extraction;adenophorum;extracts;active substances;herbicidal;method
摘 要：
[Objective] The paper was to screen the better extraction method for herbicidal active substances of Eupatorium adenophorum.[Method] Three common extraction methods,Soxhlet extraction,ultrasonic extraction and conventional extraction methods,were used to prepare E.adenophorum extracts,and the herbicidal activity of E.adenophorum extracts extracted by 3 methods was studied by seed germination method.[Result] The extraction rate of Soxhlet extraction was the highest of(22.54±0.48)%,and the herbicidal activities of E.adenophorum extracted by Soxhlet extraction was relatively stronger.[Conclusion] Soxhlet extraction was the better extraction method for herbicidal active substances of E.adenophorum.
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