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What are the methods for controlling pests and diseases in peony cultivation
Peony virus disease Symptoms: Peony ringspot virus (PRV) produces concentric ring-like round spots of dark green and light green on the leaves, along with small necrotic spots; the plant does not become dwarfed. TRV also causes ringspots or ring spots of varying sizes, sometimes irregular in shape, while PLCV causes
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Methods for Controlling Anthracnose in Pomegranate Cutting Seedlings During the Seedling Stage
Pomegranate cutting propagation is the main method for propagating pomegranate seedlings. It has the characteristics of rapid seedling formation, fast emergence, and a high survival rate after planting. During the growth period of pomegranate seedlings, the high-temperature and rainy climate conditions make anthracnose prone to occur. If not controlled in time, it can cause leaf drop, dead shoot tips, or dead
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Methods and Technical Key Points for Controlling Powdery Mildew in Melons
1. Select disease-resistant varieties. There are obvious differences in disease resistance among different melon varieties, so selecting disease-resistant varieties is the key to controlling the degree of disease occurrence. 2. Clean the field. After the crop is harvested, weeds and residues should be removed promptly. During the melon growing period, weed promptly, remove ⟦4 <p>1. Select disease-resistant varieties. There are obvious differences in disease resistance among different melon varieties, so selecting disease-resistant varieties is the key to controlling the degree of disease occurrence.</p><p></p><p>2. Clean the field. After the crop is harvested, weeds and residues should be removed promptly. During the melon growing period, weed promptly, remove diseased leaves, and take weeds, residues, and diseased leaves outside the field to be burned in a centralized manner.</p><p>3. Scientific management to enhance plant disease resistance. Apply sufficient basal fertilizer, especially heavily apply decomposed organic fertilizer, and plow deeply and harrow finely; prevent excessive vegetative growth and premature senescence of plants, organize branches and vines promptly, and strengthen ventilation and light penetration; during the mid-growth stage, pay attention to topdressing phosphorus and potassium fertilizers, and use foliar fertilizer well to cultivate strong branches and vines and enhance the disease resistance of the population.</p><p>4. Scientific irrigation. Create environmental conditions suitable for melon growth but unfavorable for the occurrence and development of powdery mildew. Irrigation should follow 4 principles: do not water on cloudy days but water on sunny days, do not water in the afternoon but water in the morning, do not water heavily but water lightly, do not water on the surface but water under the surface (that is, subsurface irrigation under film).</p><p>5. Chemical control. Use 15% triadimefon wettable powder at 1000-1500 times dilution, or 40% Daconil suspension concentrate at 800-1000 times dilution, or 40% Fuxing emulsifiable concentrate at 6000 times dilution, or 10% Shigao water-dispersible granules at 2000 times dilution, or 30% Tefuling wettable powder at 5000 times dilution, or 50% thiophanate-methyl wettable powder at 1000 times dilution, etc., alternating sprays for control, spraying once every 7-10 days, for 2-3 consecutive sprays. Medication is prohibited 7 days before melon harvest to allow safe harvesting.</p>
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Methods for Preventing and Controlling Pests and Diseases of Winter Jujube Trees in Autumn and Winter, and Key Technical Points
After the beginning of autumn, winter jujube trees gradually enter the dormant period, and their tolerance to chemicals is relatively high. As temperatures drop, pests and diseases enter bark cracks, scars, branch forks, fallen leaves, fallen fruit, mummified fruit or the soil, where they lurk to overwinter. Therefore, it is necessary to seize the favorable opportunity for pest and disease control in autumn and winter,
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What are the methods for controlling tea plant pests and diseases
The meaning of deep processing of tea. Deep processing of tea refers to the use of fresh tea leaves or finished tea as raw materials, or the use of tea, tea factory rejects and by-products as raw materials, together with corresponding processing techniques and methods, to produce tea-containing products. Tea-containing products may be based on tea
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Methods for controlling thrips pests and diseases in mango cultivation
Classification: Thysanoptera, family Thripidae. I. Tea yellow thrips Scirtothrips dorsalis Hood 1. Damage: Adults and nymphs damage mango leaves, causing them to appear scalded by hot water and eventually wilt; they damage fruit, causing brown rough spots on the surface. This insect also damages tea plants, bananas
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A Detailed Guide to Controlling the Three Major Diseases of Carrots
Carrot, alias red radish, clove radish, Hulufujin, also known as Hulufu, red beet, yellow radish, etc., is an umbelliferous biennial herbaceous plant, with its fleshy root eaten as a vegetable. The three most common diseases of carrots: carrot
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Two Methods for Controlling Cucumber Gray Mold
Cucumber, a plant of the genus Cucumis in the Cucurbitaceae family. Also called hu cucumber, qing cucumber. The fruit is oily green or emerald green in color, with soft small spines on the surface. Cucumber likes warmth and cannot tolerate cold. The suitable temperature for growth is 10-32°C. Generally, growth is best at 25-32°C during the day and 15-18°C at night; the most
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What are the methods for controlling root rot disease in bean sprouts?
Bean sprouts, also called sprouting vegetables, are edible sprouts cultivated from the seeds of various grains, legumes and trees, and are also called living vegetables. Common sprouting vegetables include: Chinese toon sprouts, buckwheat sprouts, alfalfa sprouts, Sichuan pepper sprouts, green black bean sprouts, love
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Detailed Guide to Identifying and Controlling Damping-Off Disease in Crown Daisy
Crown daisy (Glebionis coronaria) refers to the stems and leaves of the Asteraceae plant crown daisy. Also known as ponghao, chrysanthemum greens, hao cai, tonghao cai, yi cai (goose vegetable) and ai cai, it is an annual or biennial herbaceous plant of the genus Chrysanthemum. The roots, stems, leaves and flowers of crown daisy can all be used as medicinal material, with effects of purifying the blood, nourishing the heart, lowering blood pressure, moistening the lungs,
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