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STUDY OF THE INFLUENCE OF GENITORS FROM THE CROSS COMBINATIONS ON THE GERMINATION OF PLUM STONES (PRUNUS DOMESTICA L.)

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Author(s): Madalina Butac | Madalina Militaru | Sergiu Budan | Valentina Bozhkova

Journal: Scientific Papers of the Research Institute for Fruit Growing Pitesti, Romania
ISSN 1584-2231

Volume: XXVII;
Start page: 13;
Date: 2011;
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Keywords: Prunus | parental | cross combination | stone | germination

ABSTRACT
Study on germination of stones obtained from 46 cross – combinations between different parental genitors of plum, performed in the field of the Genetic and Breeding Department, of the Research Institute for Fruit Growing Pitesti, in the springs of 2005 – 2006 were conducted in the nursery fields. The highest average germination has been observed in crossings made in spring of 2005 (18.89%). The greatest number of germinated stones has been registered in four cross – combinations made in 2005: Stanley x Agen (54.04%); Agen x Diana (38.51%), Tuleu gras x Grase romanesti (33.34%), Tuleu gras x Stanley (22.54%), and in eleven combinations made in 2006: Record x Stanley (50.0%), Minerva x Agen (46.16%), Record x Anna Spath (42.86%), Tita x Agen (35.72%), Minerva x Bluefree (32.0%), Tuleu gras x Diana (31.25%), Tuleu gras x Silvia (27.0%), Record x Early Rivers (25.0%), Albatros x Bluefree (25.0%), Record x Diana (22.23%), Tita x Anna Spath (20.0%). These data show a different potential for obtaining a great number of hybrid offsprings according to the used genitors and give valuable information of the best parental cross combinations in the plum breeding program.
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