Pumpkin planting: what should be used to fight pumpkin diseases and insect pests?
What should be used to fight pumpkin diseases and insect pests? Please introduce more pumpkin diseases and insect pests, the following introduces several common pumpkin pest control methods for reference: the main diseases of pumpkin are virus disease and powdery mildew. Virus disease is also called mosaic disease. after the disease of the plant, the leaf shows the shape of mosaic, shrinks and becomes smaller, and appears dark green tumor-like uplift spot, the fruit becomes deformed, and the plant atrophies and dwarfs obviously. The more effective measure to control the virus is to control and eliminate aphids. If diseased plants are found, they should be removed and burned as soon as possible and disinfected with lime to prevent spread. Powdery mildew mostly occurs in the middle and later stages of pumpkin growth, and can be controlled by trimethoprim, carbendazim, colloidal sulfur and so on. The main pests of pumpkin are aphids and Huangshou melon, which can be sprayed with 6000-8000 times of 40% dimethoate or 20% dimethoate. Click to get more pumpkin planting techniques click to get more vegetable planting techniques
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Leek planting: why the leek withered leaves? How to prevent and cure
Why are the leeks withered? How to prevent and cure it? Please introduce the causes and control methods. Leaf drying often occurs during the growing period of leek, which is mainly caused by blight and gray mold, and some are caused by physiological diseases. Can refer to the following method to carry on the prevention and control: the withered leaf blight caused by the blight is the main of the protected leek.
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Tomato planting techniques: what are the diseases of autumn tomatoes?
What are the diseases of autumn tomatoes? How to control autumn tomato diseases? Please give instructions on the prevention and control of autumn tomato diseases: virus disease, late blight, leaf mold, early blight, etc. Detailed control methods can be referred to the following: first, tomato virus disease: a prominent disease of autumn facility tomato, the source of which is tomato yellowing koji.
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