ISHS Acta Horticulturae 441: V Temperate Zone Fruit in the Tropics and Subtropics
DROUGHT RESISTANCE OF GRANNY SMITH AND AMASYA APPLE CULTIVARS GRAFTED ON DIFFERENT ROOTSTOCKS |
| Authors: | N. Kaynas, K. Kaynas, M. Burak |
| Abstract:
Drought resistance of Granny Smith and Amasya (Kas-el 37) apple cultivars grafted on M 9, MM 106 and seedling rootstocks was investigated. Moreover, changes in leaf water potential (LWP) and relative water content (RWC) of these cultivars in different watering regimes were observed. When the plants were subjected to three watering treatments at 100%, 50% and 25% of soil saturation, the differences between the drought resistance ability of all variety/rootstock combinations were significant. Amasya was more drought resistant when grafted on M 9 and seedling than on MM 106. M 9 was the most drought resistant for Granny Smith and it was followed by seedling and MM 106 respectively. As the amount of water applied to the plants decreased, the LWP and RWC also decreased. | |
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