Asparagus main pest control techniques in summer

1. Do a good job in clearing the gutters and drain the water in time. To create an ecological environment that is not conducive to the occurrence of diseases. In the event of continuous drought, we should adhere to small-water irrigation and avoid flooding.

2. The old shoot fields should be promptly removed from diseased plants and diseased branches, and the diseased plants (branches) should be brought out of the field to be deeply buried or burned to reduce the source of disease in the field. When the plant is about 70cm, it should be timely picking the heart, timely topping, put a good wire frame, to prevent the bamboo shoots lodging, in order to facilitate ventilation and light and humidity in the field, enhance the resistance of bamboo shoots strains.

3, timely pharmaceutical protection.

In addition to promptly applying the 50% carbendazim 40 times solution to stems, the diseased plants should alternately use the following agents from the initial stage of disease onset: (1) 50% KTX 2000-3000 times; (2) 10% Difenoconazole water dispersible granules (Shigao) 1500 times; (3) 50% acetaminophen 1500 times; (4) 50% carbendazim 500 times spray. The application interval should be controlled flexibly according to the weather: continuous sunny days will be around 15 days, and rainy days can be shortened to 5-7 days. Shoot field has beet armyworm, cotton bollworm and other pests, can be added in the fungicide liquid 1000-1500 times the 2.5% more than the dactomycin (such as dish hi), or 10% of the furan guanidine hydrazide suspension 60-100 Grams, or 35% of chlorantraniliprozamide water dispersible granules 7000-10000 times after spraying bamboo shoots (evening) spray control and manual control.

Matters needing attention: (1) Sun Tian is forbidden to use a repellent; (2) Shoot Stem Blight Prevention and Stem Disease should adopt the method of stem coating to ensure the quality and safety of agricultural products. (3) The use of highly toxic pesticides is strictly prohibited. (4) Strictly control the safety interval of drug use. (5) It is forbidden to use drugs at high temperature at noon to prevent poisoning accidents. The application time of high temperature weather should be selected before 9 o'clock in the morning or after 5 o'clock in the afternoon.

Vitamins

Vitamins,Vitamin B5,Vitamin D,Vitamin B4,Vitamin K

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