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一、主要害虫的防治 近年来芦苇虫害口益严重,其主要害虫有荻蛀茎夜蛾和棘禾草螟。这两虫均属于危害性很大的暴食性蛀茎害虫,一般年份被害率达40％左右,重发年份造成无收。为了减轻虫害,提高芦苇产量和品质,我们采取了综合防治措施,使危害率由过去40％下降到6％,亩产量由过去832kg上升到1200kg,创历史最高水平。具体防治措施是: 1.适时平地砍割 荻蛀茎夜蛾和棘禾草螟是以老熟幼虫在荻苇茬和残株内越冬,越冬的节位随气
First, the prevention and treatment of major pests In recent years, reed pests have a serious problem, and its main pests have Dulong stem insect and Sesamia grasshopper. Both insects belong to the highly damaging predatory pest infestations. The average annual damage rate is about 40%. In order to reduce pests and improve the yield and quality of reeds, we adopted comprehensive prevention and control measures to reduce the damage rate from the previous 40% to 6% and the output per mu from the previous 832kg to 1200kg, setting the highest record in history. Specific prevention and treatment measures are: 1. The right to cut flat cut Di moth stem moth and Spinosae grasshopper is a mature larvae in Di Di stubble and stubble within the wintering, wintering node with the gas