黑龙江省西部大豆胞囊线虫病发生动态及防治对策

大豆胞囊线虫病是世界大豆产区危害最重的病害之一,随着大豆重迎茬面积的增加,其发生面积也在逐年扩大,危害程度逐渐加重,使大豆产量显著降低,一般减产10%～20%,重者可达30%～50%,甚至绝产。重迎茬是导致黑龙江省西部地区孢囊线虫发病程度逐年加重的主要原因,通过合理轮作、应用抗线大豆品种、药剂防治、配方施肥等综合措施可有效地控制大豆胞囊线虫的危害。

Soybean Cyst Nematode Dynamics and Control Measures in Western Heilongjiang

Soybean Cyst Nematode is one of the most serious diseases in world soybean-producing areas,along with the soybean continuous and alternate cropping area increased,the outbreak area has expanded each year and degree of harm was gradually increased result in a significant reduction in soybean yield,general decline 10%～20%,in serious cases up to 30%～50%,and even no harvests.Continuous cropping of soybean in Heilongjiang province was the main reason to cause Cyst Nematode incidence year by year increased in western region.Rational rotation cropping,applying resistant diseases soybean varieties,chemical control,formula fertilization and other comprehensive measures could be effectively controlling the hazards of Soybean Cyst Nematode.