果园防治蚱蝉文／许振宫栋平蚱蝉又名黑蝉，成虫俗称“知了”，除了若虫每年在土中刺吸根部汁液外，对果树的为害主要是成虫产卵造成枝条失水干枯而死。８月份是蚱蝉产卵高峰期即为害最严重时期，对其防治方法如下：１．在卵孵化入土前结合整形修剪，剪除被害枝条，集中烧... Orchard control Grasshopper text / Xu Zhen Gong Dong Ping grasshopper, also known as black cicadas, adult commonly known as “know”, in addition to nymphs in the soil thorn suck root juice each year, the damage to the fruit trees are mainly adult spawning water loss caused by branches Wither and die. August is the grasshopper spawning peak is the worst period of damage, its prevention and treatment as follows: 1. In the hatching before the egg into the soil with plastic trim, cut off the victim branches, focus on burning ...