Functional plasticity and tolerance to drought conditions of 11 apple tree varieties grown in Morocco

DOI: 10.22161/ijeab/2.5.41

Abstract:
In this study, 11 varieties were grown in the experimental chamber in order to determine the morphological, anatomical and physiological characteristics of each. The experimental protocol was carried out under controlled conditions of irrigation, temperature and hygrometry. The values obtained of the thickness, the cuticle, length of the ostiole, density and size of the stomata and then of stomatal and cuticular sweat have made it possible to calculate the stomatic resistance of each variety and to evaluate its potential to adapt to drought conditions. We have highlighted significant differences related to variety through the Duncan test. 4 groups are identified and the results are discussed in this article.

Keywords:
Malus, Apple varieties, transpiration, stomata, stomatal resistance.

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