8种天然植物粗提物对林木害虫的毒力测定

Toxicity Determination of the Extractions from 8 species Plants to Forest Pests

选用在黑龙江省境内分布广泛的8种有杀虫作用的天然植物的粗提物,对黑龙江省内经常发生的分月扇舟蛾、舞毒蛾、落叶松毛虫、花布灯蛾进行了室内毒力测定,从中筛选出杀虫作用效果较好的天然杀虫植物为兴安白芷和兴安藜芦。

Selected the extractions of 8 species of poisonous plants from those wild plants which distributed widely in Heilongjiang Province. Doing toxicity determination indoors to Clostera anastomosis, Lymantria dispar, Camptoloma interiorata, Camptoloma interiorata and so on, which usually occured in Heilongjiang Province. Screened out the Angelica dahurica and the V. Dahuricum, whose pesticidal effect was better than any other wild insecticidal plant.