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以日本球坚蚧为主的球坚蚧在永寿逐年偏重发生。该虫于5月下旬至6月初卵孵化出若虫,随即分散活动固着在苹果树叶片上为害。7~8月正是越夏若虫固着为害盛期,也是天敌黑缘红瓢虫的滞育期。通过此期用矿物油、毒死蜱、柴油·氯单用和混加助剂特效王混喷,得出以喷99.1%矿物油(敌死虫)100倍混合特效王7500倍液喷施效果最好,其次用48%毒死蜱(乐斯本)乳油、32%的柴油·氯(蚜吸毙)乳油1000倍液喷防均有明显效果。
The ball of Japan ball Kenyan ball base scale in Yongshou year on year emphasis. The worm in late May to early June egg hatching nymphs, then dispersed activities fixed in the leaves of apple damage. July to August is the summer nymph immobilization damage peak, but also the natural enemy black margin red ladybug diapause period. Through this period with mineral oil, chlorpyrifos, diesel chlorine and chlorine mixed with special effects Wang mixture spray, drawn to spray 99.1% mineral oil (enemy insects) 100 times the mixed effects of Wang 7500 times the best spraying effect , Followed by 48% of chlorpyrifos (Lorsby) EC, 32% of diesel chlorine (aphid suicide) EC 1000 spray prevention and treatment have a significant effect.