论文部分内容阅读
大白菜移栽后,蝼蛄,蛴螬等地下害虫常常啃食其根部表皮或咬断根系,使大白菜植株萎蔫死亡,造成缺苗。同时,地下害虫为害造成的伤口,往往还能引起软腐病盛发,使大白菜的产量和品质受到严重的影响。为此,作者于1986年进行了应用辛硫磷防治大白菜地下害虫的试验,1987年在全县推广,面积近万亩,取得了良好的效果。
After cabbage transplanting, the underground pests such as catfish, catfish and other gnats often chew their root epidermis or bite off the root system, causing the cabbage plants to wilt and die, resulting in the lack of seedlings. At the same time, the damage caused by underground pests wounds, often can cause soft rot disease, so that the yield and quality of Chinese cabbage by the serious impact. To this end, the author carried out in 1986, the application of phoxim control cabbage pests underground test, in 1987 to promote the county, an area of nearly mu, and achieved good results.