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How to grow yam (Chinese yam) to prevent diseases effectively? Growing experience shared
1. Selecting disease-resistant varieties is an effective method for preventing and controlling yam diseases and pests. For example: choosing Taigu hairy yam can resist stem rot. When cultivating disease-resistant varieties, rational layout is needed, rotate varieties every 2-3 years, and pay attention to variety purification and rejuvenation. 2. Crop rotation can reduce or avoid yam
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What are the methods for controlling pepper seed diseases
According to experts, pepper seeds generally carry the following latent diseases: damping-off seedlings, Rhizoctonia rot, bacterial leaf spot of pepper, pepper viral disease, pepper Phytophthora blight, pepper Verticillium wilt, etc. 1. Hot water seed soaking Soak the seeds in hot water at 60°C, with a water volume 3
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Methods and Technical Key Points for Controlling Rice Pests and Diseases in the Mid-to-Late Stage
This year's rice insect pests are mainly migratory and boring pests, with an estimated affected area of 730 million mu-times. With multiple pests and diseases jointly affecting mid-to-late stage rice, experts recommend using a combination of agroecological control techniques and chemical control measures.
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Integrated Control of Diseases, Pests and Weeds in Pollution-Free Sweet Potato Cultivation
(1) Carefully select seed tubers. Choose tuber pieces free of disease, insects and injuries as seed tubers. (2) Chemical treatment of seed tubers (omitted). (3) Storage cellar management. Store the seed tubers in a sterile cellar; preferably use a new cellar. If an old cellar is used, first scrape off the cellar walls, then fumigate with 15 g of sulfur per sq m. After the tubers
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How to prevent sweet potato storage diseases? These methods are very practical
Safe storage of fresh-eating sweet potatoes over winter and off-season sales bring potato farmers relatively high economic benefits. In the sweet potato-producing areas on the outskirts of Beijing, storing sweet potatoes has become fashionable. Fresh potatoes are large in volume, high in water content, tender in tissue, and thin-skinned, easily damaged, susceptible to chilling injury and disease infection, which leads to rot
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Strictly guard against diseases when introducing sweet potato
At present, sweet potato cultivation in our province is expanding into non-traditional growing areas. In these areas, sweet potato storage and seed preservation techniques are not up to standard, and when the storage pits are opened in spring, the tubers are severely rotten, so the supply of seed potatoes cannot be guaranteed. Some sweet potato farmers have to introduce seed from other places, which increases costs. Because farmers lack knowledge about
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Occurrence and Control Methods of Rice Pests and Diseases at the Mid-Season
According to field surveys of pests and diseases by each forecasting station, the field moth population of the third generation of the rice leaf roller is currently large, and the egg mass is high. All towns are urged to actively carry out control work. I. Occurrence situation: (1) Third generation of the rice leaf roller: 1. Field moth population: According to observations at each forecasting station, the field moth population
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What are the methods for preventing rice seedling-stage diseases?
I. Damping-off Symptoms: During the seedling stage, the young shoots sometimes become discolored, the leaves curl, and finally the plants wither and die, spreading very quickly. Control measures: The pathogen of damping-off survives in the soil, and the occurrence of damping-off is closely related to environmental conditions such as climate, seedbed temperature, soil pH, and fertilizer.
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Detailed Explanation of Cultivation Points for the Late Growth Stage of Rice
Pest and disease control: Diseases: The main disease requiring attention in the late growth stage of rice is rice blast. After rice heading, seize the opportunity to apply pesticide 2---3 times, with an interval of about 7 days. Apply about 100 grams of tricyclazole wettable powder per mu, mixed with 30 kg of water for foliar spraying.
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How to prevent and control pests and diseases in autumn peanut cultivation
The main diseases of peanut include leaf spot and rust. For leaf spot, spray pesticide in time at the early stage of disease onset to prevent and control the disease. Use 75% chlorothalonil + 70% thiophanate-methyl at 1000-1500 times dilution; or 30% copper oxychloride + 75% chlorothalonil at 1000 times dilution, spraying 2-3 times, once every 10-15 days,
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