论文部分内容阅读
黑龙江省是大豆商品粮生产基地。大豆食心虫是大豆主要害虫之一,松嫩、松绥平原大豆产区,历年均有不同程度的发生和危害。严重年份虫食率可高达60~80%,造成产量下降,品质降低,严重影响经济收益和出口任务的完成。多年来,在大豆食心虫发生规律及防治研究方面,取得了显著成绩,尤其是由防治幼虫改变为防治成虫,是防治上的重大突破,获得了很好的效果,延用至今。然而,对大豆食心
Heilongjiang Province is the soybean commodity grain production base. Soybean Moth is one of the main pests in soybean. Songnen and Songsui plain soybean producing areas all have different degrees of occurrence and harm over the years. Severe pest feeding rate can be as high as 60 to 80%, resulting in decreased production, lower quality, seriously affecting the economic benefits and the completion of the export mission. Over the years, significant achievements have been made in the study of the occurrence and control of soybean borer, especially the prevention and control of adult larvae. It is a major breakthrough in prevention and control and has achieved good results and has been used till now. However, the heart of soybeans