In the cultivation and management of vegetables, many vegetable farmers are accustomed to using sclerotined net wettable powders to prevent vegetable diseases. Recently, vegetable experts have put forward their opinions: The use of sclerotinum net 40% wettable powder for conventional spraying has a good preventive and therapeutic effect on sclerotinia of various vegetables, but the side effects of this kind of medicine should also arouse The attention of vegetable farmers. Experts found that in the production, vegetables such as celery and kidney beans grown in the protected area are more sensitive to 40% sclerotium net wettable powder. After the conventional spraying with this agent, the growth of vegetables will be obviously inhibited: On the other hand, it can delay the harvesting period of celery with a delay of about 20 days, which will be longer in some cases. On the other hand, it will also have a significant impact on the flowering and podging of kidney bean. To this end, experts have reminded the majority of vegetable farmers to use 40% sclerotinous net for routine spray. If you really need to spray with this kind of agent, be sure to pay attention to the use concentration of the scientific matching agent. When spraying, it is best to avoid the time when the celery seedlings and kidney beans extend, but also pay special attention to using this. The safety interval of the agents. Experts suggest that in the early stages of the onset of celery and kidney beans, aerosols can be used for fumigation. The effect of fumigation is also relatively good. In addition, you can use 10% procymidone or 10% sclerotin and other aerosols for fumigation, the specific method is: in the greenhouse per acre, stacking smoke tablets 10-15 points, 25 grams per point, The location of each point should be more than 30 cm from the vegetables, so the effect will be better.
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