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Ancestry of japonica rice varieties in Taiwan



Ancestry of japonica rice varieties in Taiwan



Special Publication Taichung District Agricultural Improvement Station ( 29): 105-110



Pedigree analyses were made to identify the ancestors of 99 varieties released between 1940 and 1987. Studies of the parentage enabled the varieties to be traced back to 65 ancestors, of which 44 were Japanese plant introductions and only 11 were from Taiwan. Japanese plant introductions collectively comprised >85% of the genetic contribution. As few as 10 ancestors comprised >70% of the cumulative genetic contributions in 5 time periods (the 1940s, 1950s, 1960s, 1970s and 1980s).

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Accession: 002301332

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