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Sclerotia net 40% wettable powder conventional spray, has a good prevention and treatment of sclerotinia of various vegetables, but the side effects of the drug should arouse the attention of farmers, so as not to delay the timing and affect income. The author found in the production, celery, beans, etc. planted in protected areas are more sensitive to 40% sclerotium net wettable powder, and their growth is obviously inhibited after conventional spraying. Under normal circumstances, the celery harvest period can be delayed by about 20 days. Individually longer, it also has a significant effect on flowering and scabbing of kidney bean. In this regard, it is recommended that the majority of vegetable farmers use 40% sclerotinous nets for routine spray. If it is necessary to use this agent for spraying, use scientifically appropriate concentration. It is better to avoid the application of celery seedlings and period of application of kidney beans, and pay special attention to the safety interval of the drug. In the early stages of the onset of celery and kidney beans, the use of aerosol fumigation can also be used. Such as 10% procymidone or 10% sclerotinum and other aerosol fumigation, per acre greenhouse greenhouse stack 10 to 15 points, 25 grams per point, each point more than 30 cm from the vegetables, the effect is good.