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Herbicidal Activities of Eupatorium adenophorum Extracts by 3 Extraction Methods 被引量:1

Herbicidal Activities of Eupatorium adenophorum Extracts by 3 Extraction Methods
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摘要 [ Objective ] The paper was to screen the better extraction method for herbicidal active substances of Eupatorium adenophorum. [ Method ] Three com- mon extraction methods, Soxhlet extraction, ultrasonic extraction and conventional extraction method, were used to prepare E. adenophorum extracts, and the herblcidal 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. [ Objective ] The paper was to screen the better extraction method for herbicidal active substances of Eupatorium adenophorum. [ Method ] Three com- mon extraction methods, Soxhlet extraction, ultrasonic extraction and conventional extraction method, were used to prepare E. adenophorum extracts, and the herblcidal 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.
出处 《Plant Diseases and Pests》 CAS 2012年第2期57-59,共3页 植物病虫害研究(英文版)
基金 Supported by Youth Fund Project of Yunnan Agricultural University
关键词 E. adenophorum EXTRACTS Herbicidal activity Extraction method China E. adenophorum Extracts Herbicidal activity Extraction method China
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