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稻瘟病是我区水稻的主要病害,每年各地都有不同程度的发生,严重影响水稻的稳产高产。1978年稻瘟病在全区各地流行,据不完全统计,受害面积达339万亩。在不同水稻品种间,病害发生的严重度,差异显著。玉林地区由于大面积推广感病的杂优组合,早造发病面积106万亩,几乎等于全区一般年份的稻瘟病发生面积,粮食损失严重。窄叶青8号在东兴县推广2—3造就丧失抗性;我们与东兴县农科所合作,74—75
Rice blast is the main disease of paddy rice in our region, which occurs in different degrees every year and seriously affects the stable and high yield of rice. In 1978 the rice blast prevailed throughout the region, according to incomplete statistics, the affected area reached 339 acres. In different rice varieties, the severity of disease occurred, the difference was significant. Yulin area due to the promotion of a large area of miscellaneous illnesses combination, as early as the disease area of 1.06 million mu, almost equal to the general area of the blast area, the serious grain losses. Narrow Ye Qing 8 in Dongxing County to promote 2-3 loss of resistance; we cooperate with Dongxing County Agricultural Science, 74-75