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Investigation of the action of the X locus in the tomato

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Summary

The action of the X locus in the tomato was explored by studying meiotic behavior, pollen germination, pollen tube growth, and fertilization capability. Normal meiosis was observed suggesting no x meiotic lethality. Percent germination showed much variation from test to test depending on size of population. X and x pollen from homozygous sources showed no differences in pollen tube growth capability or fertilization capability. Pollen from the F1 plant had a lower mean pollen tube length than either X and x pollen. Using F1 pollen in backcrosses to the recessive parent resulted in deviations from expected segregation ratios for characters linked to x.

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Authors and Affiliations

  1. Department of Horticulture, Michigan State University, 48823, East Lansing, Michigan, USA

    J. D. Vriesenga & S. Honma

Authors
  1. J. D. Vriesenga
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  2. S. Honma
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Michigan Agricultural Experiment Station Article No. 5374.

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Vriesenga, J.D., Honma, S. Investigation of the action of the X locus in the tomato. Euphytica 20, 396–399 (1971). https://doi.org/10.1007/BF00035664

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  • DOI: https://doi.org/10.1007/BF00035664

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