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大豆孢囊线虫病又称大豆萎黄病、火龙秧子。此病主要发生在东北西部干旱地砂碱区,它是大豆生产上的毁灭性病害。据调查,黑龙江省大豆受孢囊线虫病危害面积已达1,000万亩,减产30%以上的面积约有200万亩。病区大豆亩产量常在100斤以下,有的国营农场常常因此病危害严重而大面积绝产。目前,此病的发生、蔓延、危害有日趋严重之势。受害作物除大豆外还有豌豆、饭豆、菜豆等,发病土壤从砂碱
Soy cyst nematode, also known as soybean chlorosis, fire dragon seedlings. The disease occurs mainly in the sand alkali zone in the arid northwest of the northeastern part of the country and is a devastating disease in soybean production. According to the survey, the area harbored by soybean cyst nematode disease in Heilongjiang Province has reached 1,000 million mu, with an area of more than 30% less than 200 million mu. Ward soybean yield often below 100 pounds, and some state-owned farms are often so seriously ill and large-scale production. At present, the occurrence of the disease, spread, endanger the increasingly serious trend. Crops in addition to soybeans outside there are peas, beans, beans, etc., the incidence of soil from sand alkali