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梨黄粉虫喜在避光处为害,随着梨树有袋栽培的推广,人为地给黄粉虫提供了适宜的场所,造成黄粉虫为害严重。为此,对黄粉虫发生规律及防治方法进行了摸索,使黄粉虫入袋率控制在3%以下。1卵越冬期黄粉虫以卵在树皮缝、翅皮下、果台裂缝、靠近树干的短枝、蝉为害枝条处...
Pear worm hi in dark damage, with poplar bag cultivation promotion artificially to Tenebrio provides a suitable place, causing Tenebrio serious damage. To this end, the occurrence of Tenebrio law and prevention and control methods have been explored so that Tenebrio molder rate control in less than 3%. 1 eggs during the winter Tenebrio eggs in the bark stalk, wings, fruit cracking, near the trunk spur, cicada damage branches ...