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Research on Crops

Influence of rejuvenating pruning on the potential productivity of the apple tree 


DOI: 10.31830/2348-7542.2023.ROC-977    | Article Id: ROC-977 | Page : 515-522
Citation :- Influence of rejuvenating pruning on the potential productivity of the apple tree. Res. Crop. 24: 515-522
GULNAZ USHKEMPIROVA, MARINA URAZAYEVA, SAULE KAZYBAYEVA AND YULIYA YEFREMOVA ydyo@inbox.ru
Address : Laboratory of Agrotechnology and Nursery of Fruit and Berry Crops of Horticultural Crops, Kazakh Fruit and Vegetables Research Institute, 050060, Gagarin ave., 238\5, Almaty, Kazakhstan
Submitted Date : 10-05-2023
Accepted Date : 24-07-2023
Online Published:

Abstract

The period of operation of intensive orchards is 15 years. At the age of 6-7 years, the quality of fruits decreases sharply and the frequency of fruiting increases. In order to extend the productive period of the orchard, an experiment was laid on the effect of rejuvenating pruning on the productivity of an apple tree, depending on the variety-rootstock combination. In the course of this scientific study, in the period from 2020 to 2022, results were obtained indicating the presence of the potential for productivity of apple varieties of the Kazakhstani selection Voskhod and Talgarskoe on the introduced forms B 7-35, Arm 18 and the rootstock of the Kazakhstani selection Zhetysu 5 in which the solar radiation transmittance was from 0.45% to 0.77%. On this basis, all the studied varieties are superior to the control variant. It also improved the light space inside the tree crown, which increased the number of young growth points and contributed to the awakening of reserve buds. Young growing fruits, located in the middle and central parts of the crown, are better supplied with nutrients after pruning than before pruning.

Keywords

Clonal rootstocks growth shoots mango net productivity productivity 

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