论文部分内容阅读
红苕黑斑病是红苕窖藏期的一种严重病害。为适应当前农业生产责任制的需要,做好红苕窖藏期黑斑病的防治工作,现将1974—1975年我所应用托布津防治红苕窖藏期黑斑病的试验结果简报如下: (一)50％乙基托布津对黑斑病菌的抑菌试验 1、不同药液浓度的抑菌测定:将鲜苕洗净,除去病伤部分,放入62℃温水中浸10分钟后,切成5×5厘米的苕片。测定前,将苕片放入黑斑病菌孢子悬浮液中(该液在高倍镜下每视野3—4个分生孢子)浸沾后,晾干孢子液,再分别放入不同
Redhead black spot disease is a serious disease in the cellar of red yeast rice. In order to meet the needs of the present responsibility system for agricultural production and prevent and control the black spot disease in Hongjiu cellar, the results of the test of preventing and controlling black spot in Hongji cellar from 1974 to 1975 are summarized as follows: % Ethyl thiophanate black spot bacteria antibacterial test 1, antibacterial determination of different concentrations of liquid medicine: Wash the fresh 苕, remove the injured part, placed in 62 ℃ warm water immersion for 10 minutes, cut into 5 × Slices of 5 cm. Before the measurement, the pieces were placed in the spores of Alternaria solani (the liquid in the high magnification 3-4 per field of view of conidia) soaking, the spores were dried, and then placed in different