五种精油对玉米象Sitophilus zeamais（Motsch.）（鞘翅目：象甲科）的杀虫活性持久性
Persistance of the insecticidal activity of five essential oils on the maize weevil Sitophilus zeamais (Motsch.) (Coleoptera: Curculionidae).
作者信息
Ngamo Tinkeu L S, Goudoum A, Ngassoum M B, Mapongmetsem P M, Kouninki H, Hance T
机构信息
Faculty of Sciences, Department of Biological Sciences, University of Ngaoundéré, P.O. Box 454 Ngaoundéré, Cameroon.
出版信息
Commun Agric Appl Biol Sci. 2004;69(3):145-7.
Essential oils of aromatic plants are popularise as protectant with low persistance. The evaluation of this duration of activity was carried out for five aromatic plants: Annona senegalensis (Annonaceae), Eucalyptus citriodora et Ecalyptus saligna (Myrtaceae), Lippia rugosa (Verbenaceae) and Ocimum gratissimum (Lamiaceae). They have significant insecticidal activity on S. Zeamais, on the first day of application, this activity decreases after 2 or 4 days. After 8 more than 50% of the efficacy is lossed for all the plants excepted A. senegalensis.
芳香植物的精油作为低残留保护剂很受欢迎。对五种芳香植物进行了这种活性持续时间的评估：塞内加尔番荔枝（番荔枝科）、柠檬桉和柳桉（桃金娘科）、皱叶过江藤（马鞭草科）和九层塔（唇形科）。它们对玉米象具有显著的杀虫活性，在施用的第一天，这种活性在2或4天后会降低。8天后，除塞内加尔番荔枝外，所有植物超过50%的药效丧失。
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