水稻白叶枯病是严重威胁水稻生产的病害之一,该病传播途径广,扩展蔓延快,不同水稻品种对于白叶枯病的抗病程度差异很大,选用抗病品种为甚础的综合防治是最经济有效的防治方法,为了加速抗病高产品种(包括杂优)的选育过程,促进水稻生产大上快上,温州地区农科所植保、育种组,去年进一步对原来一部分抗性和丰产性好的品种和新引入的品种进行鉴定,同时对杂优原始材料、区域和鉴定试验、杂交组合后代等抗病性鉴定,初步选出一些抗病亲本和杂交后代。 Rice bacterial leaf blight is one of the most serious diseases which threaten rice production. The disease spreads widely and spreads rapidly. The resistance of different rice varieties to bacterial leaf blight is quite different. Prevention is the most economical and effective method of prevention and treatment. In order to speed up the breeding process of disease-resistant and high-yielding varieties (including heterosis) and promote the rapid development of rice production, the plant protection and breeding group of Wenzhou Agricultural Science Institute made some further resistance to the original part last year And high-yielding cultivars and newly-introduced cultivars were identified. At the same time, some disease-resistant traits were identified, such as the raw materials, regions and identification tests of hybrids, progenies of hybrid combinations, and some resistant parents and crossbreeds were preliminarily selected.