Winter vegetable greenhouses should beware of low temperature and high humidity diseases

With the arrival of the frosty solar terms, many places in the north will continue to enter the cold winter. In the past, when the weather was cold, the food on the table was monotonous, because there were fewer fresh vegetables, but now it is different. There are greenhouses and greenhouses to protect the vegetable production. In the winter, friends in the north can still eat. Fresh vegetables are gone. Linyi Fertilizer Network Copyright

However, you don't think that with the protection of solar greenhouses and greenhouses, vegetables can grow without any worries. It will still be affected by the environment inside and outside the shed. If it is not properly managed, it will be prone to pests and diseases, such as continuous rain and snow. Weather, tomatoes, peppers and other vegetables are very susceptible to some low-temperature and high-humidity diseases, such as gray mold, powdery mildew, disease and so on. Linyi Fertilizer Network Copyright

According to the survey of vegetable pests and the comprehensive analysis of future meteorological conditions, it is expected that in the winter of 2010, the overall pests and diseases of vegetables in northern protected areas will be more serious, among which gray mold, powdery mildew, leaf mold and low temperature physiological diseases are highly prevalent. Threats, at the same time, the whitefly will occur in the greenhouse with strong insulation performance, reminding the farmers to strengthen the prevention and control. Linyi Fertilizer Network Copyright

For disease prevention and control, experts suggest that the humidity in the shed should be controlled first. It is best to apply drip irrigation and seepage irrigation, and pay attention to warming and dehumidification. For example, if the curtain is opened early in the morning, when the indoor temperature rises to 28 degrees, appropriate Open the vents to dehumidify; for pest control, it is recommended to hang yellow plates, install insecticidal lamps, and use the phototaxis of pests such as mites and whiteflies to induce traps. Linyi Fertilizer Network Copyright

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