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通过对2007年黑龙江省水稻生产进行调研分析,指出黑龙江省的稻瘟病发生呈现由北向南、由东向西发展的趋势;发生较重的品种有龙粳17、吉特639等10个品种(系);黑龙江省发生稻瘟病的面积为174 000.00万hm2,绝产面积为15 565.86 hm2,分别占黑龙江省推广总面积的7.4%和0.67%。黑龙江省水稻生产因稻瘟病而造成的减产幅度为2.06%,损失稻谷3.29亿kg。
Through the investigation and analysis of rice production in Heilongjiang Province in 2007, it was pointed out that the occurrence of rice blast in Heilongjiang Province tended to grow from north to south and from east to west. The heavier varieties ten varieties (Longjing 17 and Jitt 639) ). The area of rice blast occurred in Heilongjiang Province was 1.74 million hm2, and the area of abortion was 15 565.86 hm2, accounting for 7.4% and 0.67% of the total area of promotion in Heilongjiang Province. Heilongjiang rice production due to blast caused by the reduction of 2.06%, loss of 329 million kg of rice.