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通过对 1982～ 1998年稻瘟病发生为害情况的研究 ,就影响该病大面积流行危害的因子进行综合分析 ,系统地阐明了稻瘟病年内田间和年度间消长规律 ;筛选出了影响病害流行的主要因素
Through the research on the damage situation of rice blast in 1982 ~ 1998, the factors affecting the pandemic epidemic were comprehensively analyzed, and the law of growth and decline during the year was systematically elucidated; the main influencing factors of disease epidemic were screened out, factor