论文部分内容阅读
襄北古驿岗地区的主要小麦地下害虫,有蛴螬和沟金针虫两种。这两种虫子的发生比率,蛴螬占62 5%,沟金针虫占37.5%。该地区往年由于播种较迟,冬季的为害期较短,且仅个别地块有点片为害现象。今年的小麦,在播种期方面,比往年约提前了10—15天,由于播种早,温度高,出苗快,生长较旺盛,但现在却普遍遭受地下虫为害。据本站与区技术推广站调查,一般麦苗被害率已达到4—6%左右,严重的达12.38%;其被害面积,据本站调查的907亩小麦中,有316.3亩受害,占34.87%,其中被害严重的有200.6亩,占22.12%。
The main pests of the main wheat in the ancient Station-yang area of Xiangbei are two species of Gypsophila and Gypsophila. The incidence of these two kinds of insects, 蛴 螬 accounted for 62 5%, ditch needle-worm accounted for 37.5%. In previous years in the region, the crop damage was delayed due to the delayed sowing and the damage in winter was rather short. This year’s wheat is about 10-15 days ahead of schedule in terms of sowing date. Due to the early sowing, high temperature, fast emergence and vigorous growth, wheat is now commonly harmed by underground insects. According to this site and the district technology promotion station survey, the general wheat seedling damage rate has reached about 4-6%, a serious 12.38%; the victim area, according to the survey of 907 acres of wheat, there are 316.3 acres of victims, accounting for 34.87% , Of which 200.6 mu were seriously injured, accounting for 22.12%.