Abstract:

In recent years, large areas of leaf death have often occurred in the middle and late stages of late rice production, which caused serious damage to late rice production. The cause maybe bacterial blight or phytotoxicity. The prevention and control strategies are: select the excellent disease-resistant varieties, such as Tailiangyou 1332; scientific medication, take prevention as the main task, early prevention and early treatment, prevent the occurrence of phytotoxicity.

Key words: late rice, bacterial leaf blight, phytotoxicity, precautionary measures

摘要：

近年,晚稻生产中后期常出现大面积叶片枯死现象,给晚稻生产带来严重损失。究其原因,主要是由白叶枯病或药害所造成。在防治对策上首先要选用优质抗病品种如泰两优1332,科学用药,做到以防为主,早防早治,重防重治,防止药害发生。

关键词: 晚稻, 白叶枯病, 药害, 防治措施