Progress in cotton improvement slowed in theUnited States the past 20 years,possiblyreflecting genetic stagnation.The pedigrees ofpopular cultivars contain many of the sameparents,evidence of a narrow genetic base.The...Progress in cotton improvement slowed in theUnited States the past 20 years,possiblyreflecting genetic stagnation.The pedigrees ofpopular cultivars contain many of the sameparents,evidence of a narrow genetic base.TheGossypium genetic base is wide,but only展开更多
文摘Progress in cotton improvement slowed in theUnited States the past 20 years,possiblyreflecting genetic stagnation.The pedigrees ofpopular cultivars contain many of the sameparents,evidence of a narrow genetic base.TheGossypium genetic base is wide,but only
