Study on the possibility of hybridization for producing early and late apricot cultivars.
2009
Eskandari, Sa`ad Ol-Lah | Majid Azar, Mir Mahmud | Tabatabaei, Mohammad
In order to extend apricot production period and also provide possibility of gradual supply of apricot to consumer market which lead to higher apricot production and also higher income for orchard owners and also in an attempt to lower wastage, a pre-planned program of hybridization was undertaken at Sahand Horticulture Research Station for two years. In order to produce late ripening and early ripening varieties of apricot with desirable fruit characteristics, four commercial maternal varieties and eight paternal varieties and genotypes of early ripening and rather late-ripening were crossed. During the years of 1997 and 1998, from 32 different combinations of crosses, more than four thousand blooms on maternal genotypes were pollinated with paternal pollens which eventually led to production of 221 hybrid seeds. These hybrid seeds were planted in greenhouse. After two years of caring, seventy eight hybrid seedlings were transferred to hybrid orchard. The pomological and vegetative traits of these hybrid trees along with overall characteristics of them, fruit and kernel characteristics, sensitivity to ambient and biotic factors, and..... were recorded from 2003 till 2007. It must be noted that during the four year period over 15000 data related to 43 traits/characteristics for 87 understudy genotypes were recorded and evaluated. Finally based on the result of evaluation of above mentioned traits and characteristics and in order to select and introduce superior genotypes, fourteen promising hybrid genotypes were selected and introduced for closer and more precise comparative study. Keywords: Apricot (P. armeniaca L.) Hybridization, Early and Late Ripening, Vegetative and Pomological Characteristics
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