Objective: The clementine is highly appreciated by consumers due to the good quality as well as taste Pomological. Morocco is among the major exporters of this crop. Therefore, diversification and variety selection are among the main areas of research of citrus breeding program launched by INRA Morocco. Thus, the objective of this study is the analysis of the variation in fruit quality and production in conjunction with the clementine varieties and under the effect of environmental factors.
Materials and Methods: Ten clementine varieties grafted on troyer citrange, were planted at a density of 6X4 m
Citrus fruits have a great national social and economic importance. This work is part of an improvement and genetic diversification program of citrus, the aim of this study is to purpose and to study the variability of selection criteria related to the quality of the fruit. 107 clones of clementine were applied by gamma irradiations on Marisol clementine buds. They were grafted onto macrophylla and planted with a spacing of 3x5 m2. The evaluation was focused on the organoleptic and pomological criteria. Statistical analysis showed significant differences between the control and irradiated clones of Clementine (Marisol) for all studied variables (sugar content, number of seeds per fruit, average fruit weight and percentage of juice and maturity index) except for the acidity of the fruit. Four irradiated clones of clementine were selected because of their good quality 30M57 ; 30M67 ; 50M51 ; 50M87 ; 50M91 ; 50M89 (seedless fruits, large caliber).
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