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调查结果表明,在黑龙江垦区春油菜上共查出病害12种,害虫28种,主要杂草21种。对其中为害较重的病害3种;害虫4种的发生发展规律及防治技术进行了深入而系统的研究,对主要杂草只进行了综合防治研究。在此研究基础上,将一些研究成果进行了有机组装配套,形成了一整套油菜病虫草害综合防治技术。经在北安和九三两个农管局范围内部分农场油菜生产中推广应用,效果显著.五年累计推广面积8667khm2.防效均在80%以上;累计纯增效益2953×104,取得了良好的经济效益与社会效益。
The survey results showed that there were 12 diseases, 28 pests and 21 main weeds in the spring rapeseed in Heilongjiang reclamation area. Among them, three kinds of diseases were seriously damaged, the occurrence and development of pests and the prevention and control technology were deeply and systematically studied, and only the main weeds were studied comprehensively. On the basis of this research, a number of research results have been carried out in organic assembly to form a complete set of rapeseed pests and diseases comprehensive prevention and control technology. It has been remarkably effective in popularizing and applying rapeseed in some farms within Beien and ninety-three agricultural administrations. Five years to promote a total area of 8667khm2. Control effects are more than 80%; cumulative net benefit of 2953 × 104, and achieved good economic and social benefits.