南瓜是重要的经济作物,其经济和医用价值均十分显著。随着南瓜籽,南瓜粉、南瓜饮料等南瓜系列产品的相继开发,加之粮食价格的调整,南瓜种植面积呈逐年上升的趋势。随着南瓜种植面积的增大,在其栽培过程中因疫病引致的死秧烂瓜现象已成为南瓜生产上急待解决的问题。据调查在黑龙江省南瓜疫病造成的损失一般在10％～30％,重者达100％,疫病已成为南瓜生产的障碍。 Pumpkin is an important cash crop, its economic and medical value are very significant. With the pumpkin seeds, pumpkin powder, pumpkin and other pumpkin products have been developed, coupled with the adjustment of food prices, pumpkin acreage increased year by year. With the increase of squash planting area, the phenomenon of dead sprouting and dead squash caused by epidemic in its cultivation process has become an urgent problem to be solved in pumpkin production. According to the survey, the losses caused by pumpkin blight in Heilongjiang Province are generally 10% to 30%, and the severe ones reach 100%. The epidemic has become an obstacle in the production of pumpkin.