Cultivation techniques of small-grain Coffee in Yunnan Province: pest Control

1. Coffee tiger, longicorn beetle.

The coffee tiger longicorn beetle harms the coffee trunk for more than 2 years. At first, it eats between the cambium and xylem, and then eats the xylem. It has a great effect on coffee, the light ones make the plants yellow, withered branches and fruit drop, and the serious ones die of the whole plant. At the initial stage of the damage, there was no obvious hole in the appearance, but only slightly raised in the epidermis of the injured area.

Prevention and control methods:

① strengthen management, reasonable pruning, proper shade. ② artificially killed adults and larvae, cut off the damaged branches and burned them in time.

two。 Coffee leopard bark moth.

It is widely distributed and is one of the common coffee pests, which can harm a variety of cash crops. The larvae overwintered in the branches, and the larvae often ate upward in the branches, forming a tunnel of 30cm to 60cm.

Prevention and control methods:

① combined with coffee tree pruning to cut off the damaged branches and burn them centrally. ② stabbed the larva to death with wire into the worm track. ③ injected 1 ∶ 10-fold dichlorvos into the wormhole, then stuffed it with cotton and sealed the hole with mud, which could poison the larvae of the coffee trunk.