FIELD: agriculture.;SUBSTANCE: invention refers to agriculture, particularly to horticulture. The method consists in treatment of growing trees with a preparation corresponding to a mixture of suspensions of micro-organism strains Pseudomonas species 17-2 and Bacillus subtilis B-14 taken at ratio 1:1 with concentration (2-5)×107 of cells/ml. Also trees are treated in terms of 5-10 ml of suspension per one fruit tree. Vegetative fruit trees are treated starting from a phenological stage "end of blossoming" to a phenological phase "beginning of fruit growth" including.;EFFECT: increased efficiency of fruit trees protection from fungus diseases and reduced consumption rate of preparation.;2 cl, 3 tbl, 3 ex
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