Control of wood rot of growing cherry

Symptoms in the branches of frostbite, insect injuries, mechanical injuries and other wound sites, scattered or clustered bacteria small fruiting bodies, for its external symptoms. Indistinct white sapwood decay of the injured xylem.

Pathogenic fungi, Schizophyllum commune Fr., Aphyllum, Basidiomycetes.

Pathogenic regularity The pathogen hibernates in the damaged xylem by mycelium, and continues to spread to healthy wood when the temperature rises to 7 - 9℃ in the next spring. It spreads rapidly at 16 - 24℃, and spreads spores in summer and autumn of that year. It infects damage from various wounds. Weakened trees, dying trees susceptible to disease. A wounded and weak tree is often ill.

control methods

1. Strengthen orchard management and strengthen tree vigor. Seriously ill trees, aging trees and dying trees should be dug up and burned in time. Increased fertilizer application. Reasonable pruning.

2. Check the tree body frequently and scrape off the fruiting body together with the bark and disinfect it with 1% copper sulfate solution.

3 Protect the tree and reduce wounds. To the saw mouth to be coated with bordeaux mixture or coal tar, 1% copper sulfate solution.

4 orchards should not be continuously planted, that is, apple, pear, peach and other orchards. After the old fruit trees are cut down, they should be rotated with beans and other crops for at least 3 years before building cherry orchards; do not immediately build new orchards at the original site after cutting down.