Control methods:
1 Seed treatment: seed weight 0.4% and 40% seed dressing double wettable powder, or 50% carbendazim wettable powder, or 50% licetice WP, or 75% WP wettable powder, or 50% Praflummite WP dressing.
2 In the initial stage of disease prevention and treatment, 70% thiophanate-methyl WP can be used 600 times, or 40% Tec-Suspension 800 times, or 80% WP WP 600 times, or 30% times. Emulsion 1 200 times, or 2% plus 600 times the amount of Mi Shui agent, or 40% Sclerotinian WP 500 times, or 10% Polaroid WP 500 times spray, 7 to 15 days to prevent and control 1 time, continuous control 2 to 3 times.
3 The adoption of a reasonable rotation system and soil disinfection before sowing can also control the occurrence of diseases.
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