Insect Control methods of Coffee trees in Yunnan
1. Coffee tiger beetle.
The larvae of coffee tiger beetles damage coffee trunk for more than 2 years. At first, they eat between cambium and xylem, and then eat xylem. The impact on coffee is very large, light so that the plant withered, dead branches, fruit drop, serious death of the whole plant. At the beginning of the damage, there is no obvious hole in the appearance, only a slight bulge in the epidermis of the injured place.
Control methods:
① Strengthen management, reasonable pruning and proper shade. (2) Artificial killing of adults and larvae, timely cutting down and burning of damaged branches.
2. Coffee leopard wood moth.
It is widely distributed and is one of the common coffee pests, which can harm a variety of economic crops. The larvae overwinter in the branches, and the larvae often eat upward in the branches, forming a tunnel of 30~60 cm.
Control methods:
① Combined with coffee tree pruning, cut off the injured branches and burn them together. 2. stab the larvae to death with iron wire into the insect channel.③ Inject 1∶10 times dichlorvos solution from the insect hole, then stuff the cotton soaked with medicine into the hole, and then seal the hole with mud, so that the larvae that harm the coffee trunk can be poisoned.
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The method of primary processing of small coffee beans
Technical requirements for the initial processing of small seed (Arabica seed) Coffee 1. There are two processing methods for coffee beans made from fresh coffee fruits, namely wet processing and dry processing. The first and second grade fruits are processed by wet method, and the third grade fruits are processed by dry method in areas without peeling machine and lack of water. 2. Processing technology 2.1 equipment and facilities should be equipped with fresh fruit collection pool and rainbow
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Harvesting and processing of small Coffee beans
Timely harvest is an important link to ensure high yield and improve product quality of coffee. The harvest time of small seed coffee is more concentrated, when the fruit turns red, it can be harvested. It should be picked along with ripening. After completely turning red, the fruit is easy to fall off. Wet processing is generally used in processing. (1) washing fruit. Wash away the soil or sundries that stick to the fruit. (2) grading of fresh fruit. Green fruit, dried fruit,
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