论文部分内容阅读
以往观察表明,麦收后室外各种自然条件下病叶上的闭囊壳,由于夏季高温高湿影响,8月中旬以前便全部腐烂或释放完子囊孢子,不能越夏.仅少部分保存在干燥条件下的病菌闭囊壳才有可能存活,而存活的闭囊壳又只有在室外雨露条件下才能形成子囊孢子.为明确越夏后存活病菌在室外各时期的动态及作用,进行了两年的系统观察.
Previous observations showed that the closed shell on diseased leaves under various natural conditions after the wheat was harvested was completely decayed or released aspergillus spores by mid-August due to the effects of high temperature and humidity in summer. Only a small part was preserved in dry Under the conditions of bacteria closed shell only possible survival, and survival of the closed capsule and only under outdoor rain conditions to form ascospores.In order to clarify the survival of post-summer surviving bacteria in the outdoor at different stages of the dynamic and the role of two years System observation.