The growth environment of Qiuzhidoujiao is high, the rainfall is high, and the bacterial source (xia spore) which is left in the field. Therefore, autumn peas are prone to rust, and farmers should conduct comprehensive prevention and treatment as soon as possible. Today, Huinong.com’s Xiaobian will introduce the prevention and control methods of autumn bean rust as follows:
(The prevention and control method is based on the management of soil and fertilizer, and the comprehensive prevention and control measures supplemented by timely spraying and prevention.)
1. Remove the sick body and reduce the source of infection.
After harvesting the spring beans, the dead plants are collected and burned to reduce the source of infection.
2. Selection and selection.
1 selected planting. Selecting varieties with strong disease resistance, cultivating, cultivating, double-row or single-row, so easy to exclude stagnant water and dredge ventilation, is not conducive to the fall and invasion of summer spores.
2 selected places. It is best to choose the former crops for planting grasses, and the former crops for fields of legumes or peanuts. This will avoid direct damage from rust.
3. Rational fertilization.
Based on the application of base fertilizer, the principle of early application of topdressing is to increase the application of phosphorus and potassium fertilizers, so that the root nodule activity is enhanced, the plant grows thick, the leaves are thick green and thick, and the disease resistance is enhanced.
4, timely spraying and prevention.
In the early stage of the disease, timely spraying and prevention. The medicament can be sprayed with 50% of the rusting 600-800 times or 50% of the sulfur suspending agent 500-600 times or 70% of the methyl thiophanate 800-1000 times. Spray once every 8 to 10 days and spray continuously for 2 to 3 times.
The above is the prevention and control method of bean rust for everyone compiled by Huinong. I hope that the majority of growers can learn from it. If you need to know more about agricultural technology, please pay attention to Huinong School.
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