1. Use resistant varieties. At the time of species trials and trials, the species should be identified for resistance and field identification. There are all kinds of disease-resistant content in the certification, which can be referred to. 2. Seed coating and dressing seed dressing. 3. To promote the emergence of seedlings, strong seedlings, shorten the time from sowing to emergence, and reduce the chance of pathogen infection. 4. The diseased plants were found to be removed in a timely manner and taken to the field for treatment. 5. The sick plots should be rotated and dumped.
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