Buckwheat is a autumn crop that is highly resistant to stress. It has a short growing period, a wide range of planting areas, and a nutritious product with good food, vegetable, and medicinal values. At the same time, its grains, hulls and straws are good livestock feeds and are deeply loved by farmers.
Although buckwheat has many advantages and has a relatively large potential for yield increase, in the production process, it is also common that some diseases endanger the normal growth of buckwheat. The main diseases are blight, ringworm disease, downy mildew, and brown spots. Diseases, etc., these diseases may cause greater losses to the production of buckwheat, so it is necessary to prevent as soon as possible, when the disease has just emerged, we must strengthen prevention and treatment.
Preventive measures, one is the most common method, can be used 50 °C ~ 55 °C warm water immersed in buckwheat soak 5 minutes, and then dry sowing; Second, 50% carbendazim WP can be used 25 grams, and 5 kg of buckwheat seeds evenly mixed Together. Both methods can play a role in disinfection and sterilization.
For buckwheat seedlings that have already emerged as seedlings, spray 65% ​​dexamethasone wettable powder 500 to 600 times, or 70% thiophanate-methyl wettable powder 800 to 1000 times, or 3% oxygen Clear (polyoxin) 800 to 1000 times, or 2.5% Shiloh seed coating agent 10 ml per acre, respectively, against the water spray 10 kg. For ringworm disease, it can be sprayed with 0.5% Bordeaux fluid or 65% dexamethasone wettable powder 600 times, or 40% carbendazim suspension 500-800 times. For downy mildew, in the early stage of disease, spray can be sprayed with 25% thiomethoxam (metalaxyl) WP 800 to 1000 times, or 65% zeocin 600 to 800 times. For brown spot, spray can be sprayed with 75% mancozeb WP or 65% zeocin and other fungicide 500-800 times.
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