Efficiency of modern fungicides in protection of vineyards from fungal diseases

Yu. Klechkovskyi; V. Bolshakova; K. Shmatkovska

doi:10.36495/1606-9773.2019.65.76-86

Yu. Klechkovskyi Quarantine station of grape and fruit cultures of Institute of plant protection of NAAS, 49/1, Fontanskaya road, Odessa, Ukraine, 65049
V. Bolshakova Quarantine station of grape and fruit cultures of Institute of plant protection of NAAS, 49/1, Fontanskaya road, Odessa, Ukraine, 65049
K. Shmatkovska Quarantine station of grape and fruit cultures of Institute of plant protection of NAAS, 49/1, Fontanskaya road, Odessa, Ukraine, 65049

DOI: https://doi.org/10.36495/1606-9773.2019.65.76-86

Keywords: grapes, oidium, gray rot, efficiency, productivity, quality of wine material

Abstract

Goal. To investigate the effectiveness of the fungicide prosper 300 CS, SK (spiroxamin 300 g/l) and the fungicide Serenade ASO SC, SC (Bacillus subtilis, strain QST 713) on the susceptibility of vine plants with oidium and Botrytis.

Methods. Field, in the vineyards of the Odessa region. Soil — South cerebrospinale black earth, humus content 3.2% and soil pH 6.9—7.0. The nutrition area of the bushes 3 ќ 1.5 m, forming — Wallpaper of vysokooktanovyj twoplace horizontal cordon. Treatment of the soil at fallow without irrigation. Event for care experienced areas — spring pruning bushes, garter green shoots of chip topping green shoots, chasing, side-shoot removing. Determined the effectiveness of drugs in different doses against powdery mildew (pathogen Uncinula necator Berk.) and gray mold (causative agent Botrytis cinerea Pers.). The counts were performed according to standard techniques, using experimental methods in Phytopathology and plant protection.

Results. The use of the fungicide prosper 300 CS, SK, for two-time spraying of vineyards in the consumption rate of 1.2 l/ha showed the effectiveness of grape against pathogen oidium on the leaves — 85.0%, the brushes of 84.1%. The biopesticide Serenade ASO SC, CS showed the best results against the pathogen Botrytis at a rate of 6.0 to 8.0 l/ha. Efficacy on grapes was 82.9—85%.

Conclusions. The use of the fungicide prosper 300 CS, SK (1.2 l/ha) and the fungicide Serenade ASO SC, KS (6.0 to 8.0 l/ha) reduced the manifestation of diseases on grape bushes and control their further spread during the growing season. Restrictions on the development and destruction of oidium and Botrytis in the vineyards, for the use of investigational drugs, provided higher yields and quality parameters of wine.

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