论文部分内容阅读
94年秋冬两季石河子地区气温偏高,降水降雪偏少,对病虫害越冬较为有利.据石河子气象台预报,95年我区春季气温正常略偏高,降水正常略偏少;夏季气温接近正常,降水略偏少;秋季气温正常略偏低,降水正常,故95年的气候对诸多病虫害的发生亦较有利.预计95年我区病虫害将为中等发生年份,其中棉叶螨、烟蓟马、玉米螟发生较重;棉蚜、白粉病、甘兰夜蛾中等偏轻至中等发生;甜菜象甲、麦蚜、棉铃虫等中等偏轻以下发生;柳毒蛾则发生轻.1、小麦锈病:轻至中等偏轻发生.我区主栽冬小麦品种中部分抗锈病差,如奎冬3号、4号,春麦主栽
In autumn and winter of 1994, Shihzi sub-region has a high temperature, with less precipitation and snowfall, which is more favorable to pests and diseases overwintering. According to the prediction of Shihezi meteorological station, in 1995, the temperature in spring and spring in our region was slightly higher than normal, with normal precipitation slightly less than normal; summer temperatures approached normal, Slightly less than normal autumn temperature slightly normal, normal precipitation, so the 95 years of climate is also more beneficial to the occurrence of many pests and diseases is expected in our pests and diseases in 1995 will be moderately occurring years, including cotton spider mite, thrips tabaci, corn Stem borer occurred heavier; Aphis gossypii, powdery mildew, Cyanidelus squamosum moderate to moderate occurred; beetle, wheat aphid, cotton bollworm and other moderately below the occurrence; Moderate to moderate occurred in some areas of our region mainly winter wheat varieties rust resistance, such as Kui Dong 3, 4, main spring