论文部分内容阅读
大豆孢囊线虫病是大豆的主要病害之一。在吉林省白城地区发生普遍,为害严重,影响大豆的产量和品质。为了防治此病,我们从1978年开始对大豆孢囊线虫病的分布、危害、发生规律和防治方法等进行了研究,现将研究结果总结如下:一、分布及危害大豆孢囊线虫病在白城地区早有发生,经1978~1980年在全区9个县(市)的50个乡、场,172个点进行了普查,结果有43个乡、场,132个点发生此病,发病地块占调查地块的76.7%。其中发病较严重的(植株枯黄或枯死的)地块占10%左右。
Soybean cyst nematode disease is one of the main diseases of soybean. In Baicheng area of Jilin Province, widespread, serious damage, affecting soybean yield and quality. In order to prevent and cure this disease, we started from 1978 on the distribution of soybean cyst nematode disease, the harm, the occurrence of laws and prevention methods were studied, the results are summarized as follows: First, the distribution and damage of soybean cyst nematode in Baicheng The area had long occurred. From 1978 to 1980, censuses were conducted in 50 townships and 172 sites in 9 counties (cities) in the whole region. As a result, there were 43 townships, 132 sites and 132 sites. Block accounted for 76.7% of the survey plots. The more serious disease (brown or withered plants) plots accounted for about 10%.