Haploid extraction in the cultivar Russet Burbank |
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| Authors: | R W Ruhde R E Hanneman |
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| Institution: | 1. U.S. Department of Agriculture, Science and Education Administration, Agricultural Research, Department of Horticulture, University of Wisconsin, 53706, Madison, Wisconsin
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| Abstract: | Two thousand and fifty-five pollinations were made between the cultivar Russet Burbank and Group Phureja pollinator clone 1.22, resulting in 882 fruit and 253 seeds. One-hundred and fifty progeny grew from these seeds, of which 6 were haploids, 143 were triploids and 1 was tetraploid. None of the haploids flowered. The predominance of triploids was unusual for Gp. Tuberosum cultivars, but it does not indicate a breakdown of the “triploid block” because of the low seed set. These results are similar to those found during haploid extraction from Gp. Andigena, suggesting the possibility that Gp. Andigena may have been involved in the parentage of Russet Burbank. |
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