Peach tree red spider control measures

Peach trees in the growth process will appear red spiders and other diseases, the current common occurrence of peach tree red spiders are mainly hawthorn leaf mites, so how to control the peach tree red spider?

Peach tree red spider occurs regularly

The leaf surface of the affected leaves of the peach tree red spider first appears yellow spots, which expand into pieces with the increase of the insect population, and when the damage is serious, the leaves are scorched and shed, and sometimes a large number of leaves fall in July and August, affecting the tree potential and flower bud differentiation. Hawthorn red spiders overwinter as fertilized females in cracks in the bark of the branches and in the crevices of the soil near the base of the trunk, and can also overwinter under fallen leaves, dead grass or dirt blocks in large years. The annual generation varies depending on the climate of each region, generally 3 to 9 generations, and the damage period is roughly from April to October.

How to control peach tree red spiders

1. Scrape the bark in early spring to eliminate overwintering adults.

2. Stone sulfur compound with 1 to 3 baume degrees in the germination stage, 0.3 baume degrees in the growth period, 50% trithion emulsion 3000 to 4000 times liquid, insecticidal have good effect.

3. The leaves are sprayed with a large number of elemental water-soluble fertilizers to activate and promote the differentiation and growth of healthy cells of the plant itself, enhance the leaf fibrous, thicken the waxy layer, improve disease resistance, reduce ulcers and yellowing, and effectively fight against red spiders and green insects. Protect flowers and fruits, even fruits, prevent falling fruits and cracked fruits, and improve fruit quality.