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What causes celery heart rot? Detailed explanation of causes and control methods
What is celery fusarium wilt and how should it be controlled? 1. Use disease-free seeds or disinfect the seeds. When selecting mother plants for seed production, care should be taken to choose plants with disease-free petioles and stems and leaves, so as to avoid carrying the pathogen. Using old seeds more than 2 years old has a certain disease-prevention effect. If using new seeds from the previous year, the seeds must be disinfected; you can use 48-4...
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What to Do When Straw Mushroom Growth Is Abnormal? Detailed Explanation of Prevention and Control Measures
Straw mushrooms (Volvariella volvacea) are a high-temperature type of edible fungus and are the edible fungus variety with the largest cultivation area in summer locally. During the production of straw mushrooms, it is common to see patches of young mushrooms wither and die. Analysis shows that there are many causes of young mushroom death, mainly the following aspects. (1) The compost is too acidic. (2) The compost temperature is too low or the temperature changes abruptly. Straw mushrooms are...
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What to Do About Dead Mushrooms in Straw Mushroom Cultivation? Detailed Control Measures
Straw mushroom (Volvariella volvacea) is a fungus that fruits at high, constant temperatures, and it has strict environmental requirements. Based on the biological characteristics of straw mushroom and the author's years of experience in straw mushroom spawn production and cultivation practice, this article briefly discusses the causes of dead mushrooms in straw mushroom cultivation and the countermeasures, for readers' reference. 1. Causes of dead mushrooms in straw mushroom cultivation. 1. Poor coordination between ventilation and moisture retention in the mushroom house. Straw...
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Chemical control methods for weed molds and pests in straw mushroom cultivation
Control measures for Coprinus (ink cap) weed molds: (1) Use fresh compost material as much as possible; sun-dry it for 2 days before use, or soak the raw material in lime water. (2) Control the nitrogen content of the compost; when using fermented material or fermented cultivation, the amount of wheat bran or rice bran added should not exceed 5%, and poultry and livestock manure should be kept at 3%. Regardless of the material used for cultivation, double fermentation is best...
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What are the control methods for yam leaf spot?
How should yam leaf spot be controlled? Seeking advice 〔Pathogen scientific name〕Septoria diocoreae J.K. Bai & Lu 〔Host crop〕Yam. 〔Disease diagnosis〕It mainly affects the leaves. When the leaves become diseased, small brown spots first appear on the leaf surface, then gradually expand into angular lesions 6-10 mm in size...
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How to prevent and control pests and diseases in Chinese yam? A full breakdown of cultivation methods
How should pest and disease control be carried out after planting Chinese yam? The main pest and disease control methods for Chinese yam are introduced as follows: 1. Agricultural control. 1. Selecting disease-resistant varieties is an effective method for preventing and controlling pests and diseases in Chinese yam. When cultivating disease-resistant varieties, rational arrangement is needed, rotating varieties every 2 to 3 years, and attention should be paid to variety purification and rejuvenation....
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What are the control methods for sunflower sclerotinia rot?
To control sunflower sclerotinia rot, the first step is to practice crop rotation and remove diseased plant residues. Sunflower should be rotated with grass-family crops such as broomcorn millet, foxtail millet and corn, and continuous cropping with legumes and solanaceous crops should be avoided. The rotation period should be at least 3-5 years. At autumn harvest, remove the stalks as much as possible, dig out the root stubble and plow deeper than 10 cm. The next step is...
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What are the control methods for sunflower downy mildew?
(1) Establish disease-free seed-production fields. Strictly prohibit the introduction of seed from diseased areas, and do everything possible to protect disease-free areas. (2) Practice a 3-5 year rotation with grass-family crops. (3) Choose disease-resistant varieties such as Liaokui No. 2, Fenkuiza No. 2, Kang 3A x Hui 6, CM592, etc. (4) For suspected downy mildew, test the sunflower's inner pericarp and...
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What are the control methods for sunflower downy mildew?
(1) Establish disease-free seed production fields. Strictly prohibit the introduction of seeds from diseased areas, and do everything possible to protect disease-free areas. (2) Practice a 3-5 year rotation with grass-family crops. (3) Choose disease-resistant varieties such as Liaokui No. 2, Fenkuiza No. 2, Kang 3A x Hui 6, CM592, etc. (4) If downy mildew is suspected, test the sunflower's inner pericarp and...
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What causes yam plant death, and how should it be prevented and controlled?
Yam plant death has now been found to be very serious. What causes yam plant death and how should it be treated? The main causes of severe yam plant death are fusarium wilt, anthracnose and brown rot. These three diseases are mainly spread through rainwater and irrigation, and the current period of high temperatures and frequent rain also creates conditions for the occurrence of these three diseases....
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