“颗粒剂随种播种”是防治春油菜苗期害虫的有效方法

• 作 者: 杨励东
• 机 构: 青海省农科院植保所,
• 出 处: 青海农林科技
• 发表日期: 1984年01期
• 关键词: 春油菜 油菜地 播量 播种面积 油莱 油菜品种 油菜根 测产结果 湟源县 开沟器

春油菜是我省主要作物之一,每年播种面积一百万亩左右。由于油菜苗期害虫危害,造成严重缺苗断垅,产量一直徘徊不前。群众一般采取加大播量(亩播6—10斤)的办法保苗,但仍不能见效。据1983年在大通县逊让公社和湟源县日月公社等地调查:一般因害虫危害而毁种重播的油菜(甚至毁种多次)约占油菜播种面积的六分之一以上。因此,春油菜苗期的保苗就成为生产上急待解决的重大问题。

Spring rapeseed is one of the main crops in our province, with an annual planting area of ​​about one million mu. As a result of rape seedling pests, resulting in serious lack of seedlings cut off, the output has been stagnant. The general public to increase sowing (acres sow 6-10 pounds) approach to seedlings, but still can not bear fruit. According to a survey conducted by Commune Commune and Sun Moon Month commune of Huangyuan County in 1983, Rapeseed (or even several species of ruin) that had been replanted as a result of pest infestations accounted for more than one-sixth of the area planted with rapeseed. Therefore, seedlings of spring rapeseed seedlings become a major problem to be solved urgently.