How to prevent and cure rotten zucchini flowers?

How to prevent and cure rotten zucchini flowers? What are the effective methods for prevention and control? Zucchini rotten flowers can be controlled by the following methods: environmental control: first of all, it is necessary to reduce humidity, zucchini rotten flowers are easy to occur in the low-temperature and humid greenhouse environment, so environmental regulation should be mainly heat preservation and humidity reduction. As the suitable temperature for zucchini during the melon-bearing period is 22-25 ℃, it is suggested that vegetable farmers should let out air and dehumidify after the greenhouse temperature rises to 25 ℃. Secondly, watering should avoid rainy days and cooling weather, and pay attention to raising the temperature and dehumidification the next day after watering. In addition, the rotten flowers, rotten melons and diseased leaves of zucchini should be removed in time to prevent the spread of pathogenic spores. It is found that rotten flowers and diseased melons are first covered with plastic bags, then carefully removed and taken out of the shed, buried or burned. Chemical control: to control Botrytis cinerea and Sclerotinia sclerotiorum, we should adopt the chemical control method of "spraying and fumigating": spraying, that is, spraying hydantoin or Nongliling 1000 times of hydantoin on the leaf surface; fumigation, that is, after closing the shed, sprinkle sclerotia net on the corncob that has not been burned, and then move into the greenhouse, the dosage per mu is 200g. After the fumigation shed, ventilation should be done the next morning to release residual smoke. The brown rot of Penicillium trichosporum is caused by the infection of trichosporium. Spray 72% manganese zinc before the onset of flowering or young melon stage? Does frost urea (Kelu) 700 times liquid or 60% fluoride? The control effect of 800-fold solution of mn-Zn (Mike) is better. For bacterial soft rot, organic copper preparations such as copper succinate 500x solution or plant antibiotics such as neophytomycin 2000 times solution can be sprayed to control bacterial soft rot. Click to get more zucchini planting techniques click to get more vegetable planting techniques