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What are the control methods for pests and diseases of sweet wormwood?
Control methods for pests and diseases of sweet wormwood
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Anemarrhena Pest and Disease Control Methods and Key Technical Points
Pest and Disease Control Methods for Anemarrhena
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Symptoms and control methods of pinellia virus disease
It mostly occurs in summer; infected leaves curl and twist, and the plants grow stunted. Control methods: ① Select disease-free plants for seed. ② Disinfect the soil before sowing and control pests promptly. ③ When diseased plants are found, pull them out immediately, burn them in a centralized pile and bury them deep, and pour 5% lime milk into the diseased planting holes.
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Control Methods and Key Technical Points for Codonopsis Diseases
I. Rust mainly damages the stems and leaves of Codonopsis. Control methods: clean the field, eliminate field weeds and diseased plants. In the early stage of the disease, spray 25% triadimefon wettable powder at 1000-1500 times dilution, or 90% dithianon sodium at 400 times dilution for control. Spray once every 7-10 days, for 2-3 consecutive sprays. II. Root rot mainly damages the roots of Codonopsis. Control methods: from July to August, apply additional phosphorus and potassium fertilizer. Before transplanting Codonopsis, soak the roots in 50% thiophanate-methyl wettable powder at 1000 times dilution for 5 minutes. When the disease occurs
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How to prevent and control common diseases in the middle and late stages of Pinellia ternata growth
Tuber rot disease 1. Causes and symptoms: Occurs during high temperatures, the rainy season, prolonged excessive soil moisture, and the swelling period of tubers and bulbils. In the early stage of the pathogen infecting Pinellia ternata tubers, irregular black spots appear around the edges of the tubers, and these spots rapidly spread outward. After 3-4 days, numerous pathogen spots merge together and continue to infect the interior of the tuber. At this point, the root system of Pinellia ternata begins to shrink, and the above-ground leaves gradually turn from green to yellow and wither. After 1 week, the Pinellia ternata tubers become round and blister-like, resembling
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Aconite Pest and Disease Control Methods and Key Technical Points
Aconite Pest and Disease Control Methods
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Planting Techniques and Field Management Methods for Himalayan Teasel
Planting Techniques for Himalayan Teasel
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What are the methods for preventing and controlling pests and diseases in gromwell (Lithospermum)?
Pest and disease prevention and control methods for gromwell
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What are the control methods for common diseases of Scrophularia ningpoensis?
Control methods for common diseases of Scrophularia ningpoensis
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What are the control methods for pests and diseases of Jiaogulan
Control methods for pests and diseases of Jiaogulan
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