Abstract
The results of studies of wine grapevine variety Krasnostop AZOS tolerant to phylloxera are presented. The study was carried out in order to determine the optimal length of pruning and the load of grapevine bushes in the conditions of the Black Sea agroecological zone. The work was carried out in 2018−2020 in the Temryuk-sky district of the Krasnodar Territory. The ob-jects of research were own-rooted vineyards with different fruit cane lengths: short − 4 eyes, medium − 8 eyes and long − 10 eyes. Industrial vineyards were laid in 2006, planting scheme was 3×2, the bushes were formed according to the type − a high-trunk horizontal cordon. With an increase in the length of pruning by 10 eyes, the indicators of fruiting and fruitfulness (K1 and K2) increase slightly. When the length of the pruning was 4 eyes, there was a tendency to decrease fruiting and fruitfulness (K1 and K2). The highest yield of 9.6 t/ha was obtained in the variant with pruning by 8 eyes, which is 0.8 t/ha higher than in the variant with pruning by 4 eyes and 1.0 t/ha higher than with pruning by 10 ha.
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