The corn borer is going to make a mess in Jilin Province this year

Introduction: according to the understanding of relevant departments, according to the layout of agricultural varieties, cultivation conditions, winter base of diseases and insect pests in the province, combined with the comprehensive analysis of historical data and meteorological conditions, it is estimated that in 2002, the total occurrence trend of major diseases and insect pests of crops in the province will be the year of moderate occurrence, with an area of 100 million mu Among them, the occurrence of corn borer in large area, rice blast, soybean borer, meadow borer, underground pest, soybean aphid and local area were moderate According to the weather trend forecast of the provincial meteorological station, the temperature from March to May is slightly higher, the precipitation is normal and slightly less, but it is higher than that of last year, the temperature from June to August is normal and slightly higher, and the precipitation is normal and slightly less The overwintering base of corn borer is relatively high, and meteorological conditions have no adverse effect on its pupation and emergence It is estimated that the whole province will have a large area of 24.5 million mu When the damage of corn borer is the most serious, the yield of important plots can be reduced by 20%, while that of normal plots can be reduced by about 8% In addition, according to the agricultural department, this year, the occurrence area of soybean aphids will reach 600000 mu, the occurrence area of soybean carnivores will reach 5 million mu, the occurrence area of underground pests such as mole cricket and golden needle insect will reach 8 million mu, the occurrence area of meadow moth will reach 5 million mu, and the occurrence area of rice blast will reach 3 million mu (author:) share to feed Weibo share to: