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The evolution of the North American
The genetic diversity within Solanum
4 other sections not shown
05 level 13 reciprocal 15 Chilean American and bulked American Tuberosum clones American Tuberosum germplasms Andigena F Andigena germplasms Andigena groups tested autotetraploid average bulked Andigena groups bulked North American Comparison conditions at Ithaca correlation coefficients cultivars cytoplasm diploid gene genetic genotypes heterosis heterozygosity Huancayo hybrid vigor inbreeding inbreeding depression interaction intergroup families intergroup hybrids intergroup population intra and intergroup intra Andigena intra Andigena population intra Chilean intra North American intra Tuberosum intragroup Ithaca Katahdin Krantz locations N.S. not significant North American Tuberosum North American-European Number of tubers open pollinated performance phenotypic ploidy pollen Difference reciprocal differences seed Simmonds solid stand conditions spaced plant conditions specific gravity tested under solid tested under spaced tetraploid tion topcrossed to bulked total yield trials tuber number tuber set Tuberosum and Andigena Tuberosum and bulked Tuberosum breeding clones Tuberosum clones topcrossed Tuberosum cytoplasm Tuberosum pollen Tuberosum potatoes Tuberosum x Andigena type of cross