Effect of vine bud load on bud behavior, yield, fruit quality and wood ripening of superior grape cultivar

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Published: Jul 15, 2015
Keywords:
Superior cv. Bud load Bud behavior Fertility coefficient Fruit quality Wood ripening

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Fawzi, M. I. F.
Pomology Department, National Research Center, Giza, Egypt
Laila, Haggag, F.
Pomology Department, National Research Center, Giza, Egypt
Shahin, M. F. M.
Pomology Department, National Research Center, Giza, Egypt
Merwad, M. A.
Pomology Department, National Research Center, Giza, Egypt
Genaidy, E. A. E.
Pomology Department, National Research Center, Giza, Egypt

Abstract

This study was carried out during two successive seasons, 2006 and 2007 in order to find out the optimum number of buds to be left on the vines of superior grapevines to get the highest possible yield with the best fruit quality besides maintaining vine Vigor. Severn years – old – uniformed vines chosen and pruned to seven different levels of bud load, namely, 77, 84, 91, 98, 105, 112 and 119 buds/vine. The results of this investigation showed that the percentages of busted buds and fruitful buds decreased with increasing the bud load/vine, while the fertility coefficient was not affected by pruning level in both seasons. Increasing of bud load/vine increased number of bunches but decreased yield/vine. In addition, increasing bud load on the vine significantly decreased bunch weight, bunch length, bunch index, rachis weight, berry weight, berry firmness, number of berries/bunch, T.S.S. and T.S.S / acid ratio while, Total acidity % increase as bud load increase Acidity was increased .While, wood ripening and on the other hand wood ripening and total carbohydrates decreased by increasing bud load/vine. Results also showed that 98 or 105 buds/vine is more suitable for superior grapevines to produced good yield and fruit quality.

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How to Cite
Fawzi, M. I. F., Laila, Haggag, F., Shahin, M. F. M., Merwad, M. A., & Genaidy, E. A. E. (2015). Effect of vine bud load on bud behavior, yield, fruit quality and wood ripening of superior grape cultivar. International Journal of Agricultural Technology, 11(5), 1275–1284. retrieved from https://li04.tci-thaijo.org/index.php/IJAT/article/view/6452
Issue
Vol. 11 No. 5 (2015): July
Section
Original Study
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This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

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