Please ask the cotton red spider control in cotton planting?

1, the implementation of autumn turning winter irrigation, can greatly reduce the red spider's overwintering viable base, reduce the harm of the second year.

2, avoid cotton and sesame, melons and other crops intercropping or crop rotation, increase the application of potash fertilizer, promote the strong growth of cotton, shaping the ideal plant type, reduce the red spider damage.

3, plant alfalfa at the edge of the field.

4, watering at the right time, increasing field humidity, can inhibit the occurrence of red spider damage.

5, eradication of weeds at the field edge.

Biological control of cotton red spider

1, protect and utilize natural enemy.

2, the use of predatory mites, insect to insect.

Three, scientific and reasonable application of chemical pesticides

In the chemical control of red spider, choose professional acaricide. At the same time, pay attention to each time not to choose a pesticide species, to use different types of acaricide rotation, so as to avoid the red spider to produce resistance and difficult to control. Spray the following agents during the period of leaf mite occurrence and damage: such as abamectin, thiabendazole, spirodiclofenac, pyridaben, kynurenine, etofenazole, etc., and it is enough to use the above agents alternately.