这里是Articles模块搜索页
条件筛选
  • What to do when celery stalks are thin and long? Teach you effective control methods

    What should you do when celery suffers from soft rot? Celery soft rot, also known as rot disease or putrefaction disease. The optimum temperature for onset is generally 25-30°C, and the affected parts are mainly the base of the leaf stalks or the stems. In the early stage, the lesions appear as water-soaked, light brown sunken spots, then become wet rot, turn black and give off a foul odor, with only the epidermis remaining. Control methods...

  • 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...

  • 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...

  • 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...

  • 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....

  • 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...

  • 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...

  • 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...

  • What are the disease control methods for lotus root cultivation?

    How do you control diseases when growing lotus root? What are the techniques? Lotus root is a high-yield, high-efficiency aquatic economic crop and a vegetable variety commonly eaten by the general public. It is widely cultivated in various regions, and with industrial restructuring in various places, its cultivation area has been continuously expanding. In recent years, lotus root diseases have become increasingly serious and have...

  • Identification and Control Methods for Common Lotus Root Diseases

    What are the common lotus root diseases and how to control them? Asking for advice. Common lotus root diseases are: 1. Lotus root brown spot disease: a common leaf disease of lotus root, producing light brown lesions on the leaves, causing localized drying of the diseased leaves. Control methods: rational close planting to ensure ventilation and light penetration in the lotus field; appropriately increase the application of phosphorus and potassium fertilizers to enhance...