At Tula ash found oncology

In a survey of ash growing in the Tula region VNIILM scientists was established cause of cancer death ulcers and trees. Found that trees amazed phytopathogenic bacterium Pseudomonas savastanoi var. fraxinini Brown

The bacterium causes ulcers on the set of dry holes.

In the photo: Multiple cancer sores on the trunks of ash

Ulcers gradually grow and formed deep wounds.

In the photo: Deep ulcer on the trunk early ash

The wound is then covers a large part of the trunk and the tree dies.

In the photo: Ulcer ringed trunk, killing the tree

The focus of this dangerous disease can be eradicated in all patients felling trees and thorough destruction of trunks and forest residues.

This article has been translated by machine translation.