The latest Common Diseases and insect pests of Litchi and their Control

Litchi is one of the fruits that many people like to eat, which is nicknamed "Fei Zi Xiao". It is distributed in southern China and is one of the unique fruits in the south. Litchi is famous for its full pulp and plenty of water, but do you know how many diseases and pests litchi will suffer during its growth? Today, the editor will introduce to you several common diseases of litchi.

1. Stink bugs

Stink bugs generally nibble on the tips, spikes and fruits of litchi during the young fruit period, causing the fruit to fall. In the case of low temperatures in winter, stink bugs will enter a state of false death, and we can shake the branches, fall to the ground and destroy them. Insecticides can also be used to kill stink bugs. Generally, the active period of stink bugs is March, April and May. Methamidophos and other insecticides are sprayed once a month in these three months. The egg mass of stink bugs is also obvious, and the eggs can be treated centrally.

2. Stalk borer

As the name implies, the pedicel borer will gnaw on the pedicel of litchi during the young fruit period, coming out of the pedicel into the fruit, nibbling on the core of the fruit, causing the fruit to fall, the transport tissue will be nibbled out, and the leaves will be withered and yellow. In winter, orchards should do a good job of clearing the orchard and concentrate the dead branches to burn. Spray prevention can be done with 750x dichlorvos or 1000 times Xing cotton one month before the flowers and fruits are ripe, but it should be noted that the larvae live in the veins and the adults in the canopy.

3. Inchworm

There are many kinds of inchworm, which can also gnaw on leaves and young fruits. The most serious is when litchi blossoms in spring, before the litchi blossoms or after the flowers fade, spray chemicals to eliminate. It can be sprayed with 800 times dichlorvos or 900 times trichlorfon. However, it should be noted that the inchworm is also very harmful to people, we should be careful not to let the inchworm touch the skin of the body, encounter the skin will appear red and swollen, painful and itchy!

4. Leaf roll moth

Like inchworm, there are many kinds of leaf roll moth. Larvae eat leaves, fruit tips and decay fruit, which are the most active of several pests. The prevention and control methods are similar to the previous ones. In winter, garden cleaning is carried out, dead branches are burned centrally, and dichlorvos is sprayed before blooming and after Xiehua.

5. Beetles

There are two common kinds of beetles, flower-eating beetles and copper-green beetles. Adult beetles will eat leaves and fruits, etc., larvae generally live in the ground to eat roots, so that fruit trees can not absorb nutrients, the tree situation worsened. The beetle will focus on flying in the morning and evening, and then you can use artificial capture or shake the branches when you pretend to die, fall to the ground and destroy them centrally, or you can spray pesticides or spray phoxim before the larvae in the soil are unearthed.

6. Felt disease

The main harm of felt disease is young leaves, and in serious cases, it harms flower ears or branches. The main pest is rust tick, when this pest appears, the frontal leaves seem to rust. It is the most serious in spring, the injured leaves are toothpick-like protruding, the injured parts are enlarged and thickened, and there will be white hairs on the back. In general, in this case, it is necessary to cut off the damaged branches, remove the fallen branches, and concentrate on burning them. When sprouting in spring, dichlorvos and other agents can be sprayed to prevent it.

The above six kinds of diseases and insect pests are common diseases and insect pests of litchi. In fact, the places where the diseases and insect pests are eaten are similar, nothing more than fruits and leaves, and most of the active periods are in spring. You only need to spray pesticides frequently to prevent them at the beginning of spring. And the chemicals used to kill these diseases and insects are all the same. Once you find one of these diseases and insects, you must take timely measures, otherwise it may damage your economic interests!