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1.仓虫危害情况 农村实行家庭联产承包责任制后,农产贮粮增多,贮粮害虫为害严重。通过对全县各地农户稻、麦不同贮存方式仓虫的抽样调查,我县贮粮害虫优势种主要有玉米象(Sitophilus zeamais Mots.)、谷蠹(Rhizopertha dominica Fabricills)、麦蛾(Sitotroga cerealellao Olivier)、谷盗(Tene—broides mauritanicus Linnaeus)。 以当地75家农户未防治贮粮害虫害情调查,平均虫蛀率早稻谷为6.47％,晚稻谷为5.77％,小麦为6.55％,小麦种子为29.37％,粳糯稻种子则为12.36％。按全县8.09万户农户,平均每户贮稻谷1041.03公斤,损失率按3.72％算,每年全县损失稻谷约126.28万公
1. Cangxian harm the implementation of rural household contract responsibility system, the agricultural storage of grain increased, serious damage to grain pests. According to the sampling survey of the caterpillars of rice and wheat in different storage ways throughout the county, the dominant species of stored pests in our county are mainly Sitophilus zeamais Mots., Rhizopertha dominica Fabricills, Sitotroga cerealellao Olivier ), Tene-broides mauritanicus Linnaeus. According to the investigation of the pest infestations of 75 local farmers, the average percentage of early moth-eaten rice was 6.47%, that of late rice was 5.77%, that of wheat was 6.55%, that of wheat was 29.37%, and that of japonica glutinous rice was 12.36%. According to the county’s 80,900 rural households, the average household storage of rice 1041.03 kilograms, the loss rate by 3.72% count each year the county lost about 1,262,800 rice