Особливості ураження кореневою губкою соснових насаджень Харківщини та заходи щодо профілактики хвороби

Bulat A. G. Peculiarities of pine stands' damage by root rot in Khakiv region and disease prevention measures. - Manuscript.

The dissertation for obtaining degree of the Candidate in Agricultural Sciences on Specialty 06.03.03. - Forest Science and Forestry. - Ukrainian Research Institute of Forestry and Forest Melioration named after G. M. Vysotsky. - Kharkiv, 2006. The dissertation is devoted to study of peculiarities of pine stands damage by root rot Heterobasidion annosum (Fr.) Bref and improvement of preventive measures. Research was carried out in the pine stands of different age classes in the Southern Left Bank Forest Steppe (Kharkiv region).

Research of bioelectrical parameters in 1998-2003 has enabled to testify that impedance of trees is the integral parameter of condition both for separate tree and the whole stand. In result of researches of stands of different age (10-160 years), the system of preventive and protective measures for pine stands damaged by root rot has been developed. It includes increase of selective cutting effectiveness by removal all trees with a low level of physiological activity, which is determined by the index of current electrical conductivity (CEC). In the foci of disease, all trees with a low level of physiological processes must be felled around gaps, as well as 2-5 m belt of trees out of gaps by perimeter with a high level of physiological processes. Then all stumps (both from health and sick trees) must be inoculated with NK-420 strain of Pleurotus ostreatus (Fr.) Kumm.

Key words: pines plantations, root rot, focus of drying, index of current electrical conductivity (CEC), wood destroying activity (WDA), fungus-antagonist.

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Особливості ураження кореневою губкою соснових насаджень Харківщини та заходи щодо профілактики хвороби

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