大豆胞囊线虫病又称大豆黄萎病，根线虫病，俗称火龙秧。主要分布于黑龙江、吉林、辽宁 、河北、山西及内蒙古东部等省区。除为害大豆外，还为害绿豆、野豌豆、小豆、毛叶野豌 豆等豆科作物以及三叶草，一年生或多年生胡枝子、苍耳等。一般减产15%～30%，个别发病 地块甚至绝产 Soybean cyst nematode, also known as soybean verticillium wilt, rootworm disease, commonly known as fire dragon seedlings. Mainly distributed in Heilongjiang, Jilin, Liaoning, Hebei, Shanxi and eastern Inner Mongolia provinces and other provinces. In addition to damage to soybeans, but also damage mung bean, wild pea, adzuki bean, leafy field peas and other leguminous crops and clover, annual or perennial Lespedeza, cocklebur and so on. General reduction of 15% to 30%, even the incidence of individual parcels