Physical control

(1) During the high-temperature season in summer with high temperature and high temperature, during leisure period, the buckler shall be banned for one to two weeks. Use of solar energy to make the indoor temperature reach above 60C, kill pathogens, eggs and nematodes on the soil surface and wall, and reduce the impact on the soil. 3. Use the solar energy to control the soil temperature.葺洳 (3) 嗫莶 (4) 砀 〉 〉 〉 韧 韧 韧 韧 Α Α Α Α / / / / /

(2) Early soaking can also reduce the disease. Refer to our previous article.

(3) Insect nets are set up. Insect nets are used to prevent pests from moving into greenhouses during vegetable growing or growing. The pest control and disease prevention effects are very obvious. Generally, a 40-mesh plant can be selected as a Greenhouse.

(4) Yellow plates, light trapping pests.

Use six meters by four meters rectangular cardboard, painted with yellow paint and then painted with a layer of oil, hung in the shed, the general effective planting area in a shed, hanging 30 to 40, trap and kill locusts, whitefly effect is very good ; Based on the black light trap to kill the adults of Plutella xylostella and earthworms; Indoor hanging frequency vibration type insecticidal lamp, has a strong insecticidal effect on a variety of pests.

Biological control

Protect and use natural enemies. The release of natural enemies can control pests more effectively.

For example, pests such as ladybugs, grasshoppers, citrons, and Trichogramma are used to control aphids, whitefly and other pests.

Use the citron bees to prevent indoor whitefly,

Control of cotton bollworms with Trichogramma,

With tobacco smoke bee control peach aphid, cotton aphid.

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