Autumn sowing is about to begin, and the autumn sowing period is the basis and key to good prevention and control of wheat pests and diseases. I hope that farmers will seize the favorable opportunity of autumn sowing and take effective measures to improve underground pests, wheat powdery mildew and wheat smut. Weeds and other pest control work, and strive to eliminate wheat pests and diseases in the germination stage.
Technical measures for prevention and control of wheat pests and diseases in autumn sowing period:
(1) Do a good job in plant quarantine. During the autumn sowing, the seeds are frequently transported and the quarantine pests are most likely to be transmitted. Therefore, it is necessary to strengthen the quarantine work to prevent the spread of quarantine pests and weeds such as wheat smut, wheat total eclipse and toxic wheat. When purchasing seeds, be sure to purchase seeds with a quarantine certificate from the seed business unit.
(2) Strengthen agricultural control. There are mainly reasonable rotations, deep soil change, fine soil preparation, soil testing formula, reasonable fertilization, no application of uncorroded organic fertilizer, appropriate amount of sowing, clearing spontaneous wheat seedlings and weeds in fields, grounds, yards, etc. Technical measures.
(3) Select resistant varieties. The wheat varieties suitable for planting in our county are mainly Jinmai 47, Jinmai 54, Xiaoyu 22, Tongmai No. 3, and Tongmai No. 4.
(4) Treatment of soil chemicals. For the plots where the front pests are heavy, the soil is 2-3 kg with 3% of Buddhism granules, 20-30 kg of dry fine soil, mixed and evenly applied to the soil. The surface can be ploughed or simmered after being sprinkled. It can also be mixed with pesticides and fertilizers.
(5) Implement pesticide dressing. Seed coating and chemical dressing are economic, simple, safe and efficient measures to control pests and diseases in the whole wheat production process. They are also the basic key measures for the prevention and control of wheat pests and diseases, and should be strongly promoted. Before planting wheat, use 50% phoxim emulsifiable concentrate or 20% butyl thiocarbamate emulsifiable concentrate 100-150 ml and 2% lycopene dry seed coating 50-60 g or 2.5% celite suspension seed coating agent before sowing. 75-100 ml of water and 3-4 kg of water are mixed into a mixed solution, sprayed on the wheat seeds with a sprayer, and mixed while spraying, thoroughly mix well, and then piled up for 12-24 hours after sowing.
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