Effet Des Differentes Categories D’age De L’arbre Dans Le Comportement De Quelques Varietes D’abricotier (prunus Armeniaca L.) Dans La Region De Magra, M’sila, Algerie
Résumé: The apricot tree is one of the most widespread fruit species in Algeria; M'sila wilaya is one of the most important regions of Algeria which contains the most popular varieties. Our experiment is interested in several aspects concerning the study of three varieties behavior (red Louzi, Bulida and Pavit) of apricot trees towards the effect of the tree age category, for each phenological stage of the annual biological cycle of the apricot tree's and the fruits physical and biochemical characteristics. The Bulida variety is the earliest, followed by the Pavit variety and finally by the variety red Louzi which is the latest. It is noted that the influence of tree age is very important on the percentage of phenological stages, from flower bud to fruit maturity, usually the highest value is noted in mature trees. The good physical characteristics of the fruits are in favor of the adult trees, whereas the organoleptic characteristics are better in the fruits of the old trees.
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