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多年来的经验证明,实行种瓜、种苗消毒与建立无病留种地是防治地瓜黑斑病的重要环节,只要认真贯彻各种防病措施,可以取得显著的效果。但是,黑斑病的传染途径很广泛,除种瓜带病、带菌、土壤带菌与肥料感染以外,在装运入窖的过程中,收获工具与地下窖也是两个重要的传染途径。为了打好地瓜黑斑病的歼灭战,特将我所试验材料介绍如下:
Years of experience has shown that the implementation of seed melon, seedling disinfection and the establishment of disease-free leave to grow is an important part of the prevention and control of sweet potatoes spot disease, as long as a variety of preventive measures taken seriously, you can achieve significant results. However, the spread of melasma is very widespread. In addition to pickling, carriage, soil-borne and fertilizer infections, harvesting tools and underground cellars are also two important routes of infection during shipment into the pit. In order to lay a good fight against melon black spot disease, I will test the material introduced as follows: