贵州木豆病虫害发生特点及危害程度

Occurrence Characteristics and Damage Level of Pests and Diseases of Cajanus cajan in Guizhou

为摸清木豆病虫害在贵州种植区的发生危害情况,采取多点多次抽样法对贵州省木豆病虫害发生情况进行了调查,并收集标本进行室内分类鉴定。结果:共鉴定出病害5种,其中真菌性病害4种,病毒性病害1种;害虫39种,其中昆虫纲7目19科37种,蛛形纲1目2科2种。着重介绍了在贵州种植区危害较重的3种病害、6种虫害的生物学特征及危害特点。可为贵州省木豆大面积推广种植及病虫害防治提供参考依据。

To understand the pests and diseases of Ca janus ca jan in Guizhou, the multiple points and multiple sampling investigation and lab identification was undertaken. The results showed that there were 5 diseases, among them 4 were fungi and 1 virus. And 39 pests, which belongs to 37 species, 19 families, 7 orders of insects and 2 species, 2 families, 1 order of spider. This paper emphatically introduced the biological and damage characteristics of 3 diseases, 6 pests of the C. cajan in Guizhou. It provided the references for the pests and diseases control for big areas of C. cajan lanting and implementation.