The Hungarian pear germplasm as source of genetic variability for breeding programmes
نویسندگان
چکیده
منابع مشابه
Genetic Diversity of pear (Pyrus spp) Germplasm Assessed by Simple Sequence Repeat (SSR) and Morphological Traits
This study was conducted to identify and recognize relations and diversity among accessions of the Iranianpears (Pyrus spp). A total of 34 pear accessions, derived presumably from at least six species, were subjected to simple sequence repeat (SSR) analysis. The Japanese and the Chinese pear samples were; “Housui” and “Yali” cultivars, example of Pyrus pyrifolia and P. bretschneideri, respectiv...
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چکیده ندارد.
Breeding: Incorporation of Exotic Germplasm
Exotic germplasm refers to crop varieties unadapted to a breeder’s target environment, and is an important resource for crop improvement. Because genetic diversity within elite cultivars of a crop is limited compared to the variability within the species and its relatives worldwide, genes from exotic germplasm can protect the crop against new biotic and abiotic stresses, and may represent uniqu...
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Factors influencing the maintenance of genetic variation in quantitative traits in populations undergoing artificial selection are reviewed. Formulae are given for simple cases, in particular for the infinitesimal model where variation is lost by genetic drift and gained by mutation and therefore the minimum population size to maintain genetic variation is a function of mutation rate. For genes...
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ژورنال
عنوان ژورنال: International Journal of Horticultural Science
سال: 2010
ISSN: 1585-0404
DOI: 10.31421/ijhs/16/3/887