Effectiveness of biological products for control of the most significant mycoses on potato crops

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Experiments on comparative assessment of effectiveness of bioagents to control the most significant fungal diseases were carried out on crops of potato breeding line in the Zernograd district, Rostov region. Biofungicide Metabakterin, WP based on Methylobacterium extorquens NVD VKM B-2879D + Validamycin Streptomyces hygroscopicus subsp. limoneus VKPM AC-1966 + Bacillus subtilis VKPM B-2918 IPM 215 and biofungicide Vitaplan based on Bacillus subtilis , strain VKM-B-2604D + Bacillus subtilis , strain VKM-B-2605D were studied in the research. The results showed that Metabakterin, WP at the rate of 80 g/ha was the most effective for control of early blight, late blight, fusarium dry rot and rhizoctonia canker on potatoes, while protection period of the biofungicide against these fungal diseases ranged from 19 to 27 days. It was noted that application rate of 80 g/ha of Metabakterin, WP provided the maximum increase in potato yield.

About the authors

Elena N. Pakina

RUDN University

Email: e-pakina@yandex.ru
ORCID iD: 0000-0001-6493-6121

Doctor of Agricultural Sciences, Professor, Agrobiotechnological Department, Agrarian and Technological Institute

8/2 Miklukho-Maklaya st., Moscow, 117198, Russian Federation

Sergey I. Shkurkin

Pryanishnikov Institute of Agrochemistry

Email: elgen@mail.ru
ORCID iD: 0000-0002-7123-4213

Candidate of Legal Sciences, Director

31a Pryanishnikova st., Moscow, 127434, Russian Federation

Maria T. Mukhina

Pryanishnikov Institute of Agrochemistry

Author for correspondence.
Email: mtmasm@mail.ru
ORCID iD: 0009-0006-7901-6858

Candidate of Agricultural Sciences, Head of the Laboratory for Testing Elements of Agricultural Technologies, Agrochemicals and Pesticides

31a Pryanishnikova st., Moscow, 127434, Russian Federation

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