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1981—1984年省植保站组织了9个单位对水稻纹枯病较系统地进行了试验研究。经早、晚稻45个品种,88.847亩稻田,分别测定了各级发病株率与产量损失率的关系,并确定防治指标及防治适期。药剂防治示范面积达636275亩。
1981-1984 Plant Protection Station organized nine units of rice sheath blight more systematically conducted a pilot study. The early and late rice varieties and 88.847 mu rice fields were measured the relationship between the incidence of plant disease at each level and the rate of yield loss, and to determine the control index and the appropriate period of control. Pharmacy prevention and treatment demonstration area of 636275 acres.