从早稻29个新品种(组合)抗病鉴定结果表明:多为感病或中感病品种,少数为中抗品种,说明近年早稻育种重优质高产,忽视了抗病水平的提高,因而许多品种不能大面积推广;从实用角度对穗颈瘟分级标准提出了疑问,对不利发病气候条件,调节水肥管理提出建议。 The results of resistance evaluation of 29 new varieties (combinations) from early rice showed that most were susceptible or susceptible varieties and a few were moderately resistant varieties, indicating that in early years, the quality of early rice was high and the quality of resistance was neglected. Therefore, many varieties Can not be popularized in a large area; put forward the doubt on the grading standard of panicle blast from the practical point of view, put forward the suggestion on the unfavorable climatic conditions and regulating the management of water and fertilizer.