摘要
家古灰象甲(Xylinophonus mongolicus Faust)是苹果苗木的重要害虫。我们从其幼虫营土中生活的习性考虑、应用昆虫病原线虫进行了防治试验,发现这种害虫对格氏线虫十分敏感,感染后死亡率达86.7％以上,并随着线虫剂量的加大而提高,致死速度亦随之加快,且能在虫体内大量繁殖活动线虫。
Several insect pathogen nematodes were used to control Xylinophonus mongo-- licus Faust which was a main kind of insect for apple plantlet according to the reason that grub of the insect lived in soil, The result of experiment showed that the grub was extremly suseeptihle to the nematod, Steinernena glaseri and the killing rate reached as high as 86. 7%, killing spead fastened with the raise of nematod deasity and a great number of living nematodes reproduced could be seen in the body of grub infested.
关键词
昆虫病原线虫
侵染
蒙古灰象甲
苹果害虫
insect pathogen nematode
agressive
Xylinophonus mongolicus. Faust
Steinernena glaseri
