The latest prevention and control of peach gummy disease

There are many kinds of diseases in peach planting, but today I will only introduce you to the most common gum disease. Gum disease not only occurs in peach trees, but also does harm to pear trees, plum trees and other fruit trees. When planting these fruits, they are afraid of gum disease, and they are also prone to gum disease. Understand the causes of glue disease, infection ways, and then for prevention, there is no need to be afraid of harm.

1. Etiology

Due to the fungal harm of various rot diseases, the resistance of trees is reduced and diseases are induced. Or moth pests eat tree trunks to form wounds to induce glue flow, there is artificial pruning and other wounds, frostbite, sunburn can also cause diseases. The consolidation of stagnant water and soil after rain will cause gummy disease.

II. Symptoms of injury

The disease mainly occurs on the trunk and branches, and the main disease occurs in the trunk. It is common that the phloem of the disease is like a wet dark color, and there is some yellow viscose around the hole. Sometimes mixed with insect-eaten sawdust, and then expand, you will find a lot of transparent jelly-like glue, which will harden and stick to the bark as it flows down the trunk. Branch disease, the disease is not very obvious, sometimes like the viscose growing from the cortex, there are more transparent viscose in the diseased part, viscose is hard, generally will not flow down.

III. Prevention and control methods

1. Cultivation and management

Focus on the prevention and control of diseases and insect pests, prevent strong light exposure, and take measures to prevent cold in winter. The application of organic fertilizer should pay attention to maintain the tree potential and enhance the resistance. Pruning attention, to avoid causing too large area of man-made wounds, after trimming to protect the wound, usually the tree is often sprayed with Bordeaux liquid protective agent to prevent diseases.

two。 Apply medicine

For fruit trees with gum disease, the diseased part should be scraped off first, and the tough skin should be scraped off together, then the diseased part should be smeared with 50% bacillus special wettable powder 200 times, and the equipment should also be disinfected. Smear once every two days, daub three times in a row basically won't get sick.

3. Irrigate root

For the diseased plants with serious glue flow in summer, in addition to applying medicine, you can also be treated with root irrigation, probably twice every ten days and a half months, according to the incidence and weather. The medication is generally 600 times of 50% ultra-fine carbendazim wettable powder or 800 times of 72% DuPont Kroe wettable powder.

There are many inducements of peach gum disease, and there are many things that need to be paid attention to, but as long as detailed management of timely prevention, the use of the best medicine will not have much problem, and the disease can be controlled.