Abstract
Pedigree analysis of the 77 advanced Indian potato selections showed that their origin could be traced to only 49 ancestors out of which 29 were exotic, which accounted for 69.52% of the total genomic constitution and maximum contribution (40.65%) was by 10 ancestors from U.K. Breeders’ tendency was to involve adapted advanced clones as immediate parents. Coefficient of relationship between pair of selections ranged from 0 to 0.68. The success of the parents used was not related to region-specific choice of parents. The findings are discussed in the context of “genetic uniformity” and the relevance of having separate breeding programmes for the three major areas of potato cultivation in India. Attempt has also been made to give some directions for choosing selections for use as parents and release as cultivars based on their coefficient of relationship so as to broaden the genetic base of the future potato cultivars.
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Gopal, J., Oyama, K. Genetic base of Indian potato selections as revealed by pedigree analysis. Euphytica 142, 23–31 (2005). https://doi.org/10.1007/s10681-005-0448-3
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DOI: https://doi.org/10.1007/s10681-005-0448-3