Scientific Journal of KubSAU

Polythematic online scientific journal
of Kuban State Agrarian University
ISSN 1990-4665
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Skorubskaya Olga Ivanovna

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Kuban State Agrarian University
   

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MANAGEMENT OF QUANTITIES AND QUALITY HARVEST OF VIORIKA GRAPE BY APPLICATION OF ZEREBRA AGRO REGULATOR OF THE GROWTH

abstract 1371803022 issue 137 pp. 123 – 142 30.03.2018 ru 149
The article is dedicated to the study of new complex growth regulator called Zerebra agro and its influence on agrobiological and technological indicators of grapes. Studies were conducted in the Anapo-Taman Wine Growing Zone of the Krasnodar region (PAO Pobeda, Temryuk District). The fruit-bearing plantations of the white variety Viorica were cultivated three times during the vegetation period: before flowering (May 27), after flowering (June 20), the growth phase of berries (July 18), berries ripening (August 13) 200 ml / ha. Application of the growth regulator Zerebra agro resulted in a significant increase in the average mass of the bunch (by 11.5%), due to an increase in the number of berries (by 12.6%), yields from the bush (by 11.8%) and yields of plantations (by 1.17 tons or %). The increase in the experimental variant of the vine harvest was not accompanied by a decrease in the sugar content of the berries juice and an increase in the titrated acidity. The use of Zerebra agro allowed to reduce the degree of death of the central buds of wintering eyes at two and a half times, also to increase the coefficients of fruiting and fruit bearing, as well as the proportion of eyelets with two inflorescences and more. The greatest decrease in the death of the central wintering buds, as well as an increase in the embryonic fruiting index, was observed in the zone of 1-5 buds, which makes it possible to apply in the experimental version a short pruning length of fruit vines and to abandon the dry garters of fruit shooters
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