Control methods of common diseases and insect pests in apple

China is a big apple growing country. With the advent of exports and related products, the demand for it is gradually expanding, which also leads to the gradual increase of its planting area. Accompanied by a variety of diseases and insect pests, affecting the yield and quality of apples as well as the income of fruit growers, what are the common diseases and insect pests of apples? How to prevent and cure it? Let's take a look at the pro-farm network.

1. Anthrax

Anthracnose is one of the most important fruit diseases of apple, which occurs in all regions of China, mainly harms the fruit. At the initial stage of the disease, the fruit appears brown disease spot, the disease spot expands rapidly, the spot is dark brown, the spot is sunken, and the internal flesh rotts. Finally, it causes the fruit to rot and fall off, resulting in great loss.

Prevention and control methods: before the plant germination, clean up and burn the residual branches and leaves around the plant, reduce the pathogen, strengthen the prevention and control management, sterilization and disinfection, and spray when the disease occurs.

2. Wheel streak disease

Ring disease is also one of the most important fruit diseases in apples, which is often mixed with anthracnose, which makes people indistinguishable. When the disease occurs, there are brown waterlogged spots in the disease part, and with the aggravation of the disease, there are deep and shallow concentric ringed spots on the outer edge of the disease, which cause the fruit to rot and taste sour.

Control methods: eliminate overwintering pathogens, remove residual branches and leaves in time, strengthen management, apply more fertilizer, improve plant disease resistance, remove the site in time when the disease occurs, and then use chemicals to control it.

3. Early defoliation disease

Early defoliation disease is a plant disease, it is the general name of a variety of harmful plant leaf diseases, the leaves show different symptoms, and finally cause the leaves to fall early, weaken the tree potential, and seriously cause the plant to sprout and blossom for the second time during the overwinter. so that the next year's yield is not good.

Prevention and control methods: also centralized removal and burning of the residual branches and leaves in the garden, deep disinfection of the soil, increase fertilizer, strengthen disease resistance, find diseases, remove the lesion location in time, and spray chemical control.

4. Insect pests

The main pests of apple are leaf mites, heart-eating insects and leaf rollers, which harm the leaves, trunks, treetops and fruits of the plant. if the damage to the plant is light, the plant growth is poor, the yield is reduced, and the heavy plant is dead.

Control methods: clear the fallen leaves of weeds in the orchard, eliminate overwintering eggs, reduce the source of insects, can be put into the control of natural enemies, can also be sprayed, but should pay attention to the method and concentration of medication, so as not to harm plant growth.

The above are the common apple pest control methods brought by the pro-agricultural network, and doing a good job in pest control is the key point to achieve high yield and high yield. this is the end of the introduction on apple pest control. I hope it can be helpful to you. More relevant agricultural knowledge. Please pay attention to the pro-agriculture network.