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黑龙江是水稻种植大省,近平来,随着抗病品种的推广及防控措施的研究应用推广,水稻稻瘟病情虽然得到了有效控制,但稻瘟病在局部区域的流行暴发对水稻生产造成严重威胁,因此研究应用科学的综防措施,不但对有效遏制稻瘟病的流行具有重要意义,而且对保证粮食供给安全具有重要的作用。1水稻稻瘟病的症状水稻稻瘟病在水稻整个生长过程都有可能发生,由于发生时段及部位不一样,从而引发的病症也不尽相同。主要为害害叶片、茎秆、穗部。
Heilongjiang is a major rice-growing province, which is near to the level. With the popularization of disease-resistant varieties and the research and application of prevention and control measures, the status of rice blast has been effectively controlled. However, the epidemic outbreak of rice blast in some areas has caused the rice production Therefore, the study of comprehensive measures of applied science not only has great significance for effectively curbing the epidemic of rice blast, but also plays an important role in ensuring food supply security. 1 Rice Blast Symptoms Rice Blast can occur throughout the growth of rice, due to the time of occurrence and site is not the same, which led to the disease are not the same. Mainly harmful leaves, stems, spikes.