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What are the control methods for Angelica sinensis pests and diseases?
How do you control diseases and pests in Angelica sinensis? Please explain the methods. Here are several control methods for Angelica sinensis pests and diseases for reference: Root rot: soak the seedlings in 1:1:150 Bordeaux mixture, sterilize and kill insects in the soil: burn and smoke the soil more in the seedling bed. Brown spot: pay attention to field hygiene, promptly remove diseased leaves, and in the middle and late stages use 1:1:150...
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What are the control methods for Angelica sinensis pests and diseases?
How to control Angelica sinensis pests and diseases? Please give a detailed introduction. For pest and disease control in Angelica sinensis cultivation, you can refer to the following methods: (1) Root rot (Mako disease): mid-April, mid-June, early September, and early November after transplanting are the peak periods of the disease. It damages the roots, and an abundance of soil-dwelling pests favors its occurrence. Control methods: (1) Use 391...
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What are the control methods for black spot disease in chrysanthemums?
How do you control black spot disease in chrysanthemums? Please note that the pathogen is Septoria chrysanthemella. Also known as brown spot and leaf blotch. It is a serious disease of chrysanthemums and occurs everywhere. Symptom characteristics: on infected leaves, purplish-brown spots of round, oval or irregular shape and varying size first appear, and later...
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What are the control methods for chrysanthemum powdery mildew?
How do you prevent and control chrysanthemum powdery mildew? Please advise. Chrysanthemum powdery mildew mainly occurs on the upper leaves, stems and buds of the chrysanthemum. The affected parts are covered with a layer of grayish-white mycelium, which spreads from spots into patches, forming a layer of dirty-white powdery substance, causing the leaves to become deformed and the buds to fail to open normally, which affects their ornamental value. The main cause is rainy...
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What are the common pests and diseases of pear trees? Targeted medication and control methods
What are the common pests and diseases of pear trees? What pesticides should be used to control them effectively? Please introduce the following common pests and diseases of pear trees and their control methods (for reference): Pear ring rot and pear branch and trunk rot: apply medication 10 days after the pear tree finishes flowering. For pear ring rot, you can choose 21% Guofukang 800-1000 times solution or 68.5% DuPont Yibao 80...
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What are the pollution-free pest control methods for high-mountain tea?
How do you grow high-mountain tea? Please guide. 1. What is high-mountain tea? Tea produced in areas above 600 m elevation is generally called high-mountain tea. With its advantages of superior quality, no pollution and low (or even no) pesticide residue, high-mountain tea is increasingly winning people's hearts and has become the preferred tea beverage for consumers. Tea...
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Detailed Explanation of Pest and Disease Control Methods in Summer Corn Cultivation
How do you control pests and diseases when growing summer corn? Please explain the methods. For summer corn cultivation, the following methods can be used for pest and disease control: 1. Seed treatment. For every 100 kg of seed, use 100-150 ml of Manshijin + 100-200 g of Liangsui (or Likerxiu) + 170 ml of Shuaimiao for seed coating. This can control seedling blight, root rot, stem base rot and other corn seedling-stage diseases, underground pests and head smut.
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Control Methods for Stone Eggplant in Summer and Autumn Eggplant
How to prevent stone eggplant in summer and autumn eggplant? Please provide an introduction to the causes and control methods. Stone eggplant in summer and autumn eggplant is mainly caused by the following factors: too early flower treatment or too high a concentration of the flower treatment solution. When temperatures are low in winter, the concentration of the flower treatment solution is relatively high, and when temperatures are high in summer, the concentration of the flower treatment solution is relatively low. According to the concentration used in winter...
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Common Summer Eggplant Pests and Diseases and Their Control Methods
Which pests and diseases need to be controlled in summer eggplant? The following are several pests and diseases that need to be controlled in summer eggplant for reference: I. Control of eggplant insect pests 1. Red spider mite: For agricultural control, keep the soil moist regularly, avoid excessive drought, remove weeds and fallen leaves in time, and reduce sources of the pest. For chemical control, strengthen...
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What are the pollution-free pest control methods for tea plants?
How to control tea plant pests without pollution? Please guide on pollution-free pest control methods for tea plants: 1. Intercropping with other tree species. On the surrounding slopes and leftover corners of the tea garden, appropriately plant some tree species such as ginkgo and persimmon (planting Eucalyptus grandis is strictly prohibited) to improve the microclimate of the tea garden, increase biodiversity, and reduce the occurrence and damage of tea plant diseases and pests. Plant about...
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