The gray mold in vegetable cultivation is believed to be very scary for many farmers. Because once this disease occurs, it is very difficult to prevent it completely, so the key is to prevent it in advance. So how to do the prevention of vegetable gray mold? Or start from the management and control of the shed, killing gray mold in the cradle. So today, Xiaobian will tell you how to prevent the prevention of vegetable gray mold by regulating the management of the shed.
First, the environmental management of greenhouses
1. Regulation and management of indoor temperature in greenhouse
The suitable temperature of the pathogen of vegetable gray mold is 20-25 ° C, and the disease is high when the humidity lasts for more than 90%. Therefore, the room temperature control should increase the temperature in the daytime shed to 25-30 °C, and the night temperature is controlled at about 15 °C.
2. Regulation and management of indoor humidity in greenhouse
The conditions for the propagation of pathogens of vegetable gray mold are high humidity that needs to last for a period of time, so the vegetable greenhouse must be well dehumidified. Don't rush in the morning shed, wait until the temperature gets higher and slowly pull the open air. The purpose is to first heat up and lower the humidity, and then pass the small wind and damp.
Second, greenhouse management of field management
1. The occurrence of gray mold is often the most serious from the flowering period of the vegetable to the fruit expansion period. The picking up of residual flowers can greatly reduce the incidence of gray mold.
2. The pathogenic center of the leaf infected with gray mold is generally close to the shed or the lower part of the vent. Once the leaf is infected, it is necessary to check whether the facilities in the buffer room of the shed are good.
3. Most of the fruit gray molds are improperly released, or improperly handled when picking up gray mold leaves and fruits, so be careful when picking up residual flowers, diseased leaves, and diseased fruits.
Third, the management regulation of greenhouse vegetable plants
The pathogen of vegetable gray mold is specially infected with premature aging, weak growth and long growing plants. It can raise the vegetable plant against gray mold by raising the root guard leaf, spraying high quality foliar fertilizer and growth regulator, and timely thinning the fruit. Resistance.
The above is about the introduction of some measures to prevent vegetable gray mold by regulating the management measures of the greenhouse. I hope that everyone can do a good job in preventing the management of vegetable gray mold in advance and ensure the growth environment of vegetables.
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