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REPELLENT EFFECT OF MOUTAN AND ITS EXTRACT AGAINST SEVERAL SPECIES OF STORED-PRODUCT INSECTS IN CHIN

Article Abstract by: TsingHua

Original Author: GRAIN STORAGE

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This abstract was translated from 丹皮及其提取物对几种中药材仓储害虫的忌避作用研究

Antagonistic storage is one of the traditional storage ways of the Chinese medicinalmaterials. The results indicated that

antagonistic storage between moutan and alismatis hasobvious effects on insect-repellency and mothproof based on the trials in a warehouse storedcrude drug for 6 months. In order to ascertain the mechanistns of insect-repellency of moutanin the antagonistic storage system, the paper strip method described by MeDonald et al(1970) and food preference method described by Mondal (1984) were used to test repellencyof moutan extract and Paeonol against 5 species of stored-product insects in the Chinesemedicinal materials. The results are summarized as: The mean repellency of 100, 200,400μg/cm2 moutan extract against 5 species adults are totally achieved Class V (80.1 % -100%), and the order of repellent activity of extract to the insects is Rhizopertha dominica≤ Stegobium paniceum < Oryzaephilus surinamensis ≤ Sitophilus zaemais

Published: February 25, 2000

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