Impact of bud number per vine on growth, flowering, fruiting and yield characteristics of Black Magic grapevine.

Document Type : Original Article

Authors

Department of Horticulture, Faculty of Agriculture, Al-Azhar University, Cairo, Egypt.

Abstract

This study estimated the effects of different bud numbers per vine on vegetative growth, flowering, fruiting, yield and fruit quality of Black Magic grapevines to determine the optimum number of buds to be left on the vines to achieve the highest possible yield with the best fruit quality while maintaining vine vigor during two successive seasons 2021/2022 and 2022/2023 in a private vineyard located at Wadi Al-Natrun, Beheira governorate, Egypt. The treatments were done as follows: 60 eyes (6 eyes × 10 canes), 66 eyes (6 eyes × 11 canes), 72 eyes (6 eyes × 12canes), 78 eyes (6 eyes × 13 canes), 84 eyes (6 eyes × 14 canes) and 90 eyes (6 eyes × 15 canes). The results showed that studied characteristics were significantly affected by all different bud number per vine in both studied seasons. It was found that vines pruned at 90 and 84 eyes per vine gave the best values of most studied features such as leaf area, shoot length, leaves total chlorophyll content, number of berries at harvest, average weight & volume berry, percentage of total soluble solids, cluster weight, yield per vine and yield per Feddan that produced an appropriate balance between growth aspects and productivity. So, production can be controlled by pruning as a sufficient amount of buds is selected to provide the number of clusters the plant can bear to give high yield and quality of grapevine clusters.

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Main Subjects

Al-Azhar Journal of Agricultural Research
Volume 48, Issue 3 - Serial Number 3
Special Issue: Agriculture and Futuristic Challenges (Food Security: Challenges and Confrontation)
October 2023
Pages 1-9

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