Vol 12 No 2 (2006)
Cikkek

Rootstock effects on fruit drop and quality of 'Arlet' apples

Published April 19, 2006
J. Racskó
University of Debrecen, Institute for Extension and Development, H-4032 Debrecen, Böszörményi st. 138. Hungary
J. Nagy
University of Debrecen, Institute for Extension and Development, H-4032 Debrecen, Böszörményi st. 138. Hungary
J. Nyéki
University of Debrecen, Institute for Extension and Development, H-4032 Debrecen, Böszörményi st. 138. Hungary
Z. Szabó
University of Debrecen, Institute for Extension and Development, H-4032 Debrecen, Böszörményi st. 138. Hungary
L. Budai
University of Debrecen, Institute for Extension and Development, H-4032 Debrecen, Böszörményi st. 138. Hungary
S. Zaheri
University of Debrecen, Institute for Extension and Development, H-4032 Debrecen, Böszörményi st. 138. Hungary
M. Soltész
College of Kecskemet, Faculty of Horticulture, Fruitgrowing Department, H-6000 Kecskemét, Erdei Ferenc tér 4-6. Hungary
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How to Cite

APA

Racskó, J., Nagy, J., Nyéki, J., Szabó, Z., Budai, L., Zaheri, S., & Soltész, M. (2006). Rootstock effects on fruit drop and quality of ’Arlet’ apples. International Journal of Horticultural Science, 12(2), 69-75. https://doi.org/10.31421/IJHS/12/2/636

Abstract

The aim of this study is to investigate the effect of different growth inducing rootstocks on fruit drop of apple. This research was conducted for 3 years at Nagykutas, Western Hungary on apple cv. 'Arlet'. For the experiments, 3 different growth inducing rootstocks were choosen: M.9 (weak), MM.106 (moderate) and crabapple seedling (strong). There were 3 fruit shedding periods on the trees grafted M.9 and MM.106 rootstocks, but in the case of crabapple seedling, only 2 were found. The measure of fruit drop was closely related to seed count of fruits; seed number was the lowest, fruit drop was the highest. The lowest seed number was counted in fruits from trees on crabapple seedling. Seasonal changes of leaf:fruit ratio mainly depended on shoot growth and fruit drop. The rise of the curve of leaf:fruit ratio was very important during the first phase of fruit development, in especially at the end of June and in the beginning of July. The cause of this is that first and second periods of fruit drop appeared during this term. The rise of the curve was important in the beginning of June and the end of July on crabapple seedling. Decreasing tendency of quality parameters was found of fruits from trees on M.9, MM.106 and seedling rootstocks, except flesh firmness which was the highest in fruits from trees on crabapple seedling.

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