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What are the control methods for the cotton stem borer (Zeuzera coffeae) in cotton?
What diseases occur during the boll stage of cotton? How should they be controlled? How are cotton boll-stage diseases controlled? The occurrence of cotton boll-stage diseases is closely related to climate, variety, insect pests, and cultivation techniques during the growth period. Therefore, the control of cotton boll-stage diseases should adopt comprehensive control measures focusing on cultivation management, combined with chemical protection. (...
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Common pests and diseases in loofah cultivation and their control methods
What pests and diseases need to be controlled when growing loofah? Please provide guidance. When growing loofah, the following pests and diseases need to be controlled: The main insect pest of loofah is: the yellow squash beetle. When insects that look like fireflies appear in a loofah field, these are symptoms of damage by the yellow squash beetle. Adult yellow squash beetles bite and feed on plant leaves, stems, flowers and fruits, breaking off the tender stems of seedlings, with leaf damage being the main type; in severe cases they can cause the death of the entire plant. The larvae cause damage to the roots in the soil; after the 3rd instar they bore and feed between the phloem and xylem, causing the aboveground parts to wilt and die. The yellow squash beetle likes warmth and moisture, is most active at noon, and the adults have a wide feeding range, damaging loofah, bottle gourd, winter melon, zucchini and other gourd vegetables.
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Symptoms and Control Methods of Pineapple Black Heart Disease
What is pineapple black heart disease? How to control it? Please advise. Pineapple black heart disease is one of the major diseases of pineapple, mainly affecting the fruit. In mild cases it affects fruit quality; in severe cases it causes the fruit to lose its commercial value. Symptoms: This disease mainly affects ripe fruit. There are two types of symptoms: one is that the fruitlets are affected and turn brown or form...
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What are the control methods for pineapple seedling heart rot?
How do you control pineapple seedling heart rot? Please give guidance. Pineapple seedling heart rot causes the heart of the seedling to rot and the plant to die. It is mainly caused by heat build-up from piling or by waterlogging. Control methods: avoid piling seedlings for too long, especially during long-distance transport, where piling should be minimized as much as possible to prevent heat, high humidity and poor ventilation from causing heat damage to the seedlings....
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Detailed Explanation of the Occurrence Patterns and Control Methods of Chrysanthemum Powdery Mildew
Chrysanthemum powdery mildew is one of the common diseases in flowers, and it is distributed in both southern and northern China. Chrysanthemum powdery mildew causes poor plant growth, leaf death, and even failure to bloom, seriously affecting greening and beautification results and flower production; it also harms cineraria, pot marigold, coneflower, African daisy, cosmos, aster, dahlia...
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What are the control methods for mulberry rotten head blight?
Mulberry bacterial blight, commonly known as "rotten head blight", is one of the serious mulberry diseases. Symptoms: (1) black withered buds - affected buds and leaves lose their luster at the early stage of disease and die rapidly; (2) new shoot stem rot. The stem base of new shoots shows black rot, with part of the phloem and xylem necrotic; (3) rotten head. After the terminal shoot buds and leaves are infected, the growing point...
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What to Do About Cotton Boll Rot? A Detailed Guide to Prevention and Control Methods
What to Do About Cotton Boll Rot? What Methods Can Prevent and Control It? In mid to late August, when cotton enters the boll-opening stage, boll rot and rotten bolls often occur. In ordinary fields, the rate of rotten bolls and rotten bolls reaches 10%-15%, and in severely affected fields it reaches over 30%, often causing reduced cotton yield and lower quality. For this reason, there are the following five measures to prevent and control cotton boll rot and rotten bolls:...
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What are the control methods for soybean root rot?
How should soybean root rot be controlled? What is the best method? Soybean root rot can be controlled with the following methods: 1. Choose disease-resistant varieties. 2. Rotate with non-host crops such as corn, foxtail millet, and sweet potato. 3. When sowing, apply more farmyard manure, potassium fertilizer, phosphorus fertilizer, etc. 4. When sowing, apply metalaxyl granules...
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What are the control methods for loofah viral disease?
How do you control loofah viral disease? Please advise: loofah viral disease can be controlled by referring to the following methods: 1. Disease symptoms. Infected young leaves show blister-like spots of uneven light and dark color with an uneven leaf surface, and the leaves are small, some obviously shrunken; infected mature leaves show yellow rings or a mosaic of alternating yellow and green; severely affected leaves become hard and brittle,...
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Control methods for pineapple stem borers and termites
How to control stem borers and termites in pineapple? Please give some advice. For pineapple stem borers and termites, you can refer to the following control methods: When rice straw or wheat straw is used as mulch in pineapple plantations, stem borers often cause damage, biting and eating the heart leaves and young stems of pineapple. You can spray a 500-800 times diluted dimethoate solution for control. Termites near...
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