赤霉病是麦类的重要病害。上海地区一般每年4～5月赤霉病发生流行。穗期赤霉病主要菌源是子囊孢子(以稻桩带菌为主)。根据这一情况,我场近几年来试用检查子囊壳发育进度预测赤霉病发生与流产。现将我们的做法介绍如下:一、检查方法三月下旬开始,选择麦田茬、油菜茬、绿肥茬等有代表性的类型田作为观察圃,系统观察稻桩上子囊壳发育进度。每次分别随 Fusarium head blight is an important disease of wheat. Shanghai generally 4 to 5 annual occurrence of scab occurs. The main source of panicle disease in asparagus is ascospore (dominated by rice pile). According to this situation, our field in recent years to try to test the progress of the development of ascus shell scab development and abortion. Now we introduce the following practices: First, the inspection method began in late March, select wheat stubble, rape stubble, green stubble and other representative types of fields as the observation nursery, systematic observation of rice pile on the growth of the ascai shell. Each time separately