How to prevent and control wheat pests and diseases? Wheat planting and pest control technology
Wheat is one of the main food crops in China, and it is the main grain production in northern China. It has a large planting area and a wide planting range. So, do growers know how to control wheat pests and diseases? If you don't know, you can look at it. Here is the detailed wheat planting and pest control technology. You can refer to it.
    1 Wheat planting
    1.1 Strict requirements for land preparation quality
The quality of the soil preparation is of great significance for wheat planting, so the quality of wheat land preparation cannot be ignored. Deep tillage, mashing, and good conservation are the general requirements for wheat land preparation. When selecting agricultural machinery, the hoe plows for large, medium or small tractors should be used, and the rotary cultivators and other machinery can also meet the requirements of wheat land preparation. In the choice of land preparation time, it is most suitable for autumn, and try to avoid soil preparation in the spring. As the spring land preparation will shorten the time of land ripening, it will be unfavorable for the germination and growth of wheat plants in the later stage.
    1.2 Scientific selection
The quality of the seeds is a key factor in the high yield of wheat. Therefore, before sowing, we must first conduct a strict germination test on the fine seeds to avoid a large-scale germination rate in the subsequent process. Before planting, the most reliable way is to perform a manual screening of the seeds to remove various unfavorable factors that may affect the germination rate of the seeds, thereby increasing the germination rate of the seeds.
    1.3 Do a good job in fertilizer quality selection
Under normal circumstances, the nutrients contained in the soil itself cannot meet the needs of crop growth. Therefore, it is necessary to manually add scientific and rational fertilizer to help crop growth. Regardless of which fertilization method is chosen, the seeds must be isolated from the fertilizer to avoid seed and fertilizer. From this perspective, it is necessary to improve technical capabilities and reduce operational errors. At the same time, in the use of farmyard manure, it is necessary to strictly prevent field fermented seedlings to bring pests and diseases into the field to prevent adverse effects of agricultural production.
    2 Wheat pest control technology
    2.1 Chemical control
The main means of chemical control is chemical dressing. The so-called seed dressing is to mix the seeds with pesticides, fungicides and other drugs in the early stage of sowing, so as to reduce the probability of pests and diseases in wheat to a certain extent. In the process of dressing with pesticides, the following points should be achieved: First, the variety of pesticides used must ensure that the damage to the wheat seeds is small or even harmless, otherwise it will not be worth the loss; secondly, in the ratio of medicament to seed, it must be Strictly follow the instructions for use and accurately calculate a reasonable ratio of ingredients.
    2.2 Prevention and treatment of rejuvenation
The greening period is an important period for wheat growth. In the wheat greening period, it is prone to pests such as wheat sheath blight or midge. In this period, it is necessary to grasp the timing of the use of the drug, and it is difficult to achieve the control effect too early or too late. It mainly uses insecticides and mixed fungicides, and mainly uses a mixture of net dry WP and Heguoli WP.
    2.3 Prevention of heading stage
Powdery mildew and rust are diseases in which wheat needs to be controlled at the heading stage. Powdery mildew and rust prevention is a systematic and long-term task, requiring farmers to observe the real-time wheat powdery mildew and rust. When the wheat pests and diseases reach a certain range, they are sprayed with drugs such as tebuconazole and triadimefon, thereby suppressing the spread of wheat pests and diseases.
    2.4 Other prevention
In general, weeding should be done to spray the ground evenly at 4:00 PM without a wind on a sunny day. During the spraying process, be careful not to re-spray or spray the spray onto the wheat heart. Weeds in wheat fields can be curbed by products such as innocent grass and grass, reducing the impact on wheat plants. Give priority to biological control and physical control, and apply scientific chemical control methods. In the process of drug control, it is necessary to meet the pollution-free requirements.
As the main food crop in China, wheat is naturally not grown. If you want to achieve high yield during the planting process, you need to strengthen field management, the most important of which is pest control. The above is a detailed wheat planting and pest control technology. Everyone can learn from
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