黑龙江省主栽大豆品种对大豆胞囊线虫3号生理小种的抗性鉴定

1996－2000年应用田间自然病辅和病土盆栽相结合方法，对黑龙江省推广的36个大豆品种进行了抗大豆胞囊线虫3号生理小种的抗生鉴定，鉴定结果表明，在36个品种中，抗病品种2个，占供试品种的5.5%，中抗品种9个，占供试品种的25.0%；感病品种13个，占人共试品种的36.1%；高感品种12个，占供试品种的33.3%，这说明黑龙江省主栽大豆品种绝大部分对大豆胞囊线虫3号生理小种都是感病或高感的。

Resistance Evaluation of Major Soybean Varieties to Race 3 of Soybean Cyst Nematode in Heilongjiang Province

released soybean cultivars from different locations of Heilongjiang Province were evaluated for their resistance to race 3 of soybean cyst nenatode (SCN) by natural infection in the field and pot culture during 1996 to 2000. The results showed that, 2 cultivars were resistant, accounting 5.5% of the total evaluated cultivars; 9 cultivars were moderate resistant, 25.0% of the total;13 cultivars were susceptible, accounting 36.1% of the total; 12 cultivars were highly susceptible, 33.3% of the total. The results showed that most of the major soybean cultivars were susceptible or highly susceptible to race 3 of SCN in Heilongjiang Province.