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Propagation Methods and Key Technical Points for Glossy Privet Fruit
Propagation Methods for Glossy Privet Fruit
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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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Key Cultivation Techniques and Field Management Methods for False Daisy
Cultivation Techniques for False Daisy
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Planting Techniques and Cultivation Management Methods for Thesium chinense
Planting Techniques for Thesium chinense
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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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Symptoms, Identification and Control Methods of Pinellia Leaf Spot
It occurs in early summer. Purple-brown spots appear on diseased leaves, and later many small black dots form on the lesions. In severe cases, the lesions cover the entire leaf, causing the leaves to curl, scorch and die. Control methods: In the early stage of the disease, spray 1:1:120 Bordeaux mixture or 65% zineb 500-fold solution, once every 7-10 days, for 2-3 consecutive applications.
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Clever Seed Treatment Methods and Key Technical Points for Pinellia ternata
Treating the seeds of medicinal herbs before sowing plays a major role in preventing and controlling pests and diseases, raising the germination rate, and ensuring uniform, complete and vigorous seedlings. It is the primary prerequisite for stable and high yields, generally increasing the yield by 5%-20%. The methods for treating Pinellia ternata seeds are described below: (1) before sowing, soak the seeds in a 3-fold dilution of 50% carbendazim plus 40% phosethyl-Al (yield increase is significant); (2) soak the seeds separately in a 300-fold dilution of rice vinegar, 50 mg/L potassium permanganate, and 5% plant ash solution (prevents root rot).
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Cultivation Methods and Key Technical Points for Codonopsis tangshen
Codonopsis is a perennial herbaceous plant of the Campanulaceae family. Its main chemical constituents are saponins, alkaloids, polysaccharides and volatile oils. Its root is used medicinally; it can tonify the middle and augment qi, strengthen the spleen and benefit the lungs; it treats weakness of the spleen and lungs, shortness of breath and palpitations, asthmatic cough due to deficiency, and internal heat with wasting and thirsting, among other conditions. Codonopsis is a valuable Chinese medicinal material with relatively high medical value. It is not only used in large quantities as a raw material for prescriptions and patent medicines, but is also widely used in the health beverage and green food industries, and market demand is relatively large. There are many types of Codonopsis, including Lu Codonopsis, Chuan Codonopsis, Codonopsis pilosula var. modesta, Dong Codonopsis, Codonopsis tubulosa and Chai Codonopsis. Commercial Codonopsis
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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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