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What to Do When Mint Gets Rust Disease? A Detailed Guide to Integrated Control Techniques
Mint is a medicinal plant renowned both in China and abroad, with the whole herb used as medicine. It is produced in Jiangsu. In recent years, with the adjustment of the rural planting structure and market demand, the planting area of mint in various parts of Jiangsu has expanded somewhat, but during its growth and development, it often suffers severe damage from rust disease, which not only causes serious yield reduction but also affects...
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How to prevent and control pests and diseases in Gastrodia elata? A detailed guide to practical control measures
Gastrodia elata prefers to grow in warm, humid sandy (or leaf-mold) soil, and has fairly strict requirements for temperature and humidity. However, the area along the Great Wall in northern Shaanxi lies in the mid-temperate zone, where summers are hot and dry with little rain, which is unfavorable for the growth and development of Gastrodia elata. To achieve a good harvest of Gastrodia elata, the measures that should be taken in summer management include: (1) Build a shade shed. In summer...
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Prevention and control methods for white spots on new leaves, dry leaves, curling and shrinking in Welsh onions
What to do when new leaves of Welsh onions have white spots, dry leaves, curling and shrinking? Many diseases and pests can cause dry yellow leaves in Welsh onions, including downy mildew, gray mold, Phytophthora blight, viral disease, seedcorn maggot, and others. Since spraying pesticides for downy mildew, gray mold, and Phytophthora blight had no effect, the Welsh onions are most likely affected by viral disease and damage from seedcorn maggot, which can be controlled according to...
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What are the control methods for mushroom mites?
How do you prevent and control rotten mushroom logs? Please guide. The following methods can be used for reference: ① The substrate formula is unreasonable, the ingredients are not mixed evenly, and additives such as urea, superphosphate, gypsum, and lime are added in excess. ② The cultivation room is poorly ventilated for a long time, the carbon dioxide concentration is high, and oxygen is insufficient, causing the mycelium to revert and affecting mycelial growth...
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How to remove weeds in summer corn fields? A detailed guide to practical control methods
How to remove weeds in summer corn fields? Please explain the methods. Summer corn and weeds both grow quickly and in concentrated flushes. Corn seedlings suffer the most severe weed damage during the seedling stage; in the mid-to-late stage, corn can form a tall, dense canopy, and weed emergence and growth are suppressed, with little impact on yield. Weed control in corn fields should focus on the two key periods after sowing before seedling emergence and early post-emergence. The integrated weed control plans for the different periods are as follows:
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What are the precautions for tobacco pest and disease control?
What should be noted when controlling tobacco pests and diseases? The concentration of the spray solution has a direct bearing on the effectiveness of controlling tobacco pests, diseases and weeds. Generally speaking, if a commercial pesticide is used at a high concentration, its efficacy tends to be somewhat better. However, if the concentration is too high and exceeds a certain limit, the efficacy does not increase proportionally with the rising concentration...
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What are the control methods for tobacco brown spot disease?
How to control tobacco brown spot disease? Tobacco brown spot disease is a serious disease that occurs widely in tobacco-growing regions around the world. It is estimated that the area affected by brown spot disease each year accounts for about 30-35% of China's tobacco planting area. Brown spot disease not only makes tobacco leaves incomplete, but during the curing process the lesions continue to expand, causing uneven color and...
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How to Effectively Prevent and Control Tobacco Viral Disease? Methods and Techniques Explained
How to prevent and control tobacco viral disease? Viral disease is the most serious disease of tobacco in China, and it tends to become increasingly severe. Based on the current characteristic that tobacco viral disease is mainly aphid-borne viral disease, and in view of the current situation that there is still no effective control agent for tobacco viral disease, we used non-woven fabric to cover tobacco to prevent...
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Control Methods and Technical Key Points for Tobacco Black Shank
How to control tobacco black shank? Methods sought. The control strategy for tobacco black shank should be based on the use of resistant varieties, centered on strengthening cultivation management, and supplemented by chemical control. 1. Use resistant varieties. Among the varieties currently promoted, the more resistant ones include Zhongyan 90, Xujin No. 1, K346, K394, NC82, NC89, G...
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What are the control methods for tobacco mosaic virus disease?
How to control tobacco mosaic virus disease? Tobacco mosaic virus disease occurs commonly in all tobacco-growing areas of our province and is one of the three major tobacco diseases. When it occurs in seedlings or in the early field stage, it can reduce yield by 30%, and economic losses can reach 50%-70%; when it occurs after topping, it has little effect on yield but a relatively large effect on quality. The disease is caused by multiple viruses...
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