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近年来,我省水稻纹枯病日趋严重,是一种典型的高产病害.1980年全省水稻发病面积450万亩,减产稻谷2亿7千万斤.因此,防治纹枯病是保证水稻稳产的迫切要求.对纹枯病的防治,已有学者在药剂和抗菌素等方面做出了贡献.由于缺少抗病品种,尚不能满足生产需要.为此,我们大约在3000份次材料中筛选对白叶枯病等病虫抗性较好的品种,用来做纹枯病抗病性鉴定,以期进一步明确抗病品种的广谱性和对纹枯病的抗病性及其利用.本文是报道1981年和1977年、1978年所做水稻抗纹枯病抗源品种筛选结果.
In recent years, rice sheath blight in our province is becoming more and more serious, which is a typical high-yielding disease.In 1980, the province’s rice disease area of 4.5 million mu, reducing 270 million tons of paddy.Therefore, the control of sheath blight is to ensure stable rice Of the urgent requirements.For the sheath blight prevention and control, some scholars have made contributions to pharmaceuticals and antibiotics, etc .. Because of the lack of resistant varieties, can not meet the production needs.To this end, we screening in about 3000 sub-materials Leaf blight and other pest resistance better varieties, used to make sheath blight disease resistance identification, in order to further clarify the broad spectrum of resistant varieties and sheath blight disease resistance and utilization.This article is reported 1981 and 1977, 1978 made of rice resistance to Sheath Blight resistant varieties screening results.