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为明确近年来东北地区大豆田病害发生的种类和发病程度,沈阳农业大学植物保护学院等科研人员于2015年,对东北三省部分地区大豆病害进行了系统的调查和鉴定研究。结果表明,东北大豆常见有20种病害发生,危害最严重的是大豆根腐病,三省平均的病情指数为49.81,发病率98%;其次是大豆胞囊线虫病,平均病情指数46.53,发病率
In order to clarify the types and incidence of soybean diseases in Northeast China in recent years, researchers at Plant Protection College of Shenyang Agricultural University conducted a systematic investigation and identification of soybean diseases in some areas in northeast China in 2015. The results showed that 20 kinds of diseases were common in northeast soils, and the most serious ones were soybean root rot. The average disease index of three provinces was 49.81, the incidence rate was 98%; followed by soybean cyst nematode disease, the average disease index was 46.53, the incidence rate