Spring wheat susceptible pest control technology

Spring is the key period for the growth of wheat. It is also a frequent occurrence of diseases and insect pests. Therefore, the management of wheat in the spring should pay attention to the control of pests and diseases. Here are some common spring wheat pests and their control methods:

1, wheat midge: The midge usually lives in the soil, short-term damage to the wheat ear. In the second half of April, 50% phoxim or 40% methyl ethyl thiophosphor, 250 grams per acre will be formulated into arsenopyrite. The control effect is better.

2. Wheat rust and powdery mildew: In areas with severe disease and obvious episodes, it is necessary to fight drugs in time to control the spread. Use 15% triadimef 40-50 grams per acre, add 10-12 kilograms of water, and use a motorized sprayer to fight drugs. Including wheat leaves within 2-4 meters. If the spraying is later, the dosage per acre can be increased to 60-70 grams.

3, wheat scab: after onset to surprise control, with 80% of carbendazim per acre powder 25 grams, or 40% carbendazim gel suspension 50 grams, in the flowering period to fight 1 time, there is Even the rain can hit 1 drug again.

4. Wheat bran: When the amount of wheat bran exceeds 100 heads per 100 ears, and the ratio of beneficial insects to wheat bran exceeds 1 to 100, 10 grams of 10% imidacloprid per acre is used, and 10 kg of water is sprayed, which is harmless to natural enemies.

5, wheat spiders: wheat spiders inhabiting more than near the roots during the day, watering after 9 o'clock in the afternoon can drown it. When investigating a 33 cm double line with 200 wheat spiders, it can be sprayed with a 2.5% dilution of 2.5% cyfluthrin EC. It can also be sprayed with a net of broomstick, red and white fleas, etc.

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