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Pinellia ternata pest and disease control methods and key technical points
(1) Root rot: This disease is prone to occur in hot seasons when water accumulates in the field. After onset, the underground tubers rot, and the aboveground parts then collapse and die. Control methods mainly focus on drainage, removing diseased plants and treating the diseased holes with 5% lime water or pouring it on the roots; alternatively, soak seeds in 0.5%-2% lime water for 12-30 hours at sowing time. (2) Viral disease: Manifested as leaf curling and mosaic, mostly occurring in spring and summer. After onset, diseased plants should be pulled up and burned, and the area disinfected with lime. (3) Red hawk moth: With
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A Detailed Guide to the Prevention and Control of Pests and Diseases on Japanese Honeysuckle (Lonicera japonica)
Anthracnose occurs frequently in summer and can be controlled by drenching with a 500-1000 times dilution of wettable Dexon powder. For rust, spray a 200-250 times dilution of the technical-grade dithianon sodium (you may add 50-100 g of washing powder to 50 kg of the spray solution as a sticker). Insect pests include aphids, longhorn beetles and others; aphids can be sprayed with a 4000 times dilution of 10% imidacloprid, while longhorn beetles can be sprayed with a 500 times dilution of duomeike (methomyl). Note, however, that toxic pesticides must never be used on Japanese honeysuckle during the bud stage.
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Control Methods and Technical Key Points for Physiological Diseases of Oyster Mushrooms
Oyster mushrooms have the characteristics of wide adaptability, strong stress resistance, a wide range of cultivation material sources, simple cultivation techniques, and high economic benefits. In recent years, oyster mushroom production has developed rapidly in our county, but in production, various non-infectious physiological diseases often occur due to poor management, causing yield reductions and directly affecting the economic benefits of oyster mushroom production. Based on many years of production practice experience, we have summarized the symptoms and control techniques of several main physiological diseases that commonly occur in oyster mushroom production. 1. Excessive mycelial growth In oyster mushroom production, excessive mycelial growth often causes the mycelium to become dense
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Seven methods of applying nutrient solutions to increase oyster mushroom yields
1. Sucrose and calcium carbonate phosphate mixed solution: sucrose 1%, calcium carbonate 1%, potassium dihydrogen phosphate 0.1%. Use when the mycelium has covered the mushroom bed and before fruiting bodies appear. 2. Urea and citric acid mixed solution: urea 0.5%, citric acid 0.1%, adjust pH to 7 with sodium hydroxide. Use after the first flush of mushrooms is harvested. Using it after the second flush is not effective and instead hinders oyster mushroom growth. 3. Sugar, urea and citric acid mixed solution: sucrose, citric acid and urea 1% each, adjust pH to 7. Same
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Control Methods for Rust Spot Disease in Oyster Mushrooms
The rust-colored or dark brown spots appearing on the caps and stipes of oyster mushrooms are called rust spot disease of oyster mushrooms. This disease is a bacterial disease that easily occurs during the fruiting body growth stage of oyster mushrooms. The pathogen causing this disease is a species of Pseudomonas bacteria that is extremely widely distributed in nature. In the early stage of the disease, the spots are only the size of a needle tip and light in color, generally not affecting commercial value. As the disease worsens, the spots rapidly enlarge and their color continuously deepens, often appearing oval or spindle-shaped, or connecting with each other to form irregular large patches, with rust-yellow discolored areas around the patches.
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Symptoms and Prevention and Treatment Methods of Rabbit Rotavirus Disease
It is a digestive tract infectious disease of young rabbits caused by rotavirus and characterized by severe diarrhea. It occurs mostly in 2-6 week old rabbits, with the highest morbidity and mortality in 4-6 week old rabbits, while adult rabbits are mostly subclinically infected. Symptoms: The incubation period is 1-3 days, with elevated body temperature, lethargy, severe diarrhea, semi-liquid or watery thin feces, brown, grayish white or light green and accompanied by mucus or blood, dehydration and emaciation, and death in 2-4 days. Lesions: Diffuse hemorrhage of the small and large intestinal mucosa, the intestinal mucosa sloughs easily, and the contents are thin and gray
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What are the basic methods for diagnosing diseases in raccoon dogs?
(1) General examination includes inquiry, visual inspection, palpation, auscultation, percussion, and olfactory examination. (2) Necropsy technique. The necropsy technique is a method that uses knowledge of pathological anatomy to make an on-site diagnosis based on the pathological changes in the carcass. The necropsy should be performed as soon as possible after the raccoon dog dies, to prevent postmortem changes from affecting the diagnosis. The necropsy is best performed in the pathology room of the animal farm. If conditions do not allow it, and the necropsy must be performed outdoors, choose a place with dry terrain, far from water sources, roads, and residences, and properly dispose of the carcass after the necropsy.
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How to prevent and treat raccoon dog Salmonella infection? Detailed explanation of marten disease prevention and treatment techniques
This disease is an infectious disease of raccoon dogs caused by Salmonella bacteria. 1. Pathogen The pathogen of this disease is Salmonella, mainly Salmonella enteritidis. 2. Epidemiological characteristics This disease has obvious seasonality, generally occurring mostly from June to August, showing endemic prevalence, and mainly affecting young raccoon dogs aged 1 to 2 months. 3. Clinical symptoms The incubation period is 3 to 20 days. (1) Acute type: Sick raccoon dogs refuse food, body temperature rises, most sick martens lie in the small chamber, and when walking the back arches, both
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What are the characteristics of garlic disease outbreaks this year? Key control points explained in one article
Due to long-term drought, in many places this year garlic root development before the New Year was poor, garlic seedlings had weak cold resistance, and the severity of various diseases was greater than in previous years. The author recently visited garlic-growing townships such as Cangshan, Jinxiang and Shanghe in Shandong, and concluded that current garlic production should focus on controlling the following four major diseases: 1. Garlic viral disease. In past garlic production, garlic viral disease was ignored by many garlic farmers. This year, due to the drought weather in the earlier period, the severity of garlic viral disease in some areas was more serious than in previous years.
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Analysis of Garlic Diseases in Jinxiang and Detailed Explanation of Prevention and Control Methods
Editor's Note: Jinxiang in Shandong is the most important garlic-producing area in China, and in recent years several diseases have been plaguing garlic farmers. Although some newspapers have also reported analyses by many people, many of them are ambiguous and leave readers confused. Recently, this newspaper specially invited Mr. Song Yuanlin, a vegetable expert from the Shandong Academy of Agricultural Sciences, to conduct a survey and gather information among garlic farmers. The findings and preliminary conclusions are now made public as follows. Secondary growth of garlic and the hollow garlic phenomenon: In spring, when garlic grows to a certain stage, the scale buds begin to differentiate, the leaves degenerate
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