Rice blast happened in the most of Qiqihaer city in 2006, according to the state of rice blast, the reasons that rice blast happened were analyzed and the measures that to prevent it were put forward.

• 摘要2006年水稻稻瘟病在齐齐哈尔地区大面积发生，根据稻瘟病发生情况，分析了发生的原因，并提出了防治对策。