• The genetics of cotton - Part VI. The inheritance of chlorophyll deficiency in new world cottons

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    • Abstract


      1. The occurrence of relative chlorophyll deficiency in crosses betweenG. barbadense andG. hirsutum is shown to be dependent upon three pairs of factors, probably independently inherited, which are designated as follows:

      2. Modifying factors considerably affect the distribution of chlorophyll deficiency in the chlorophyll-deficient class, and within it was found a range from completely lethal to fully viable.

      3. The distribution of the chlorophyll-deficient factors was investigated inG. barbadense, G. hirsutum andG. tomentosum. G. barbadense carried only Cha.G. hirsutum always carried Chb, but Chc was found in all three phases of the gene—ChcChc, Chcchc and chcchc.G. tomentosum carried the combination Cha and Chb.

    • Author Affiliations


      S. C. Harland1

      1. Empire Cotton Growing Corporation, Cotton Research Station, Trinidad, B.W.I.
    • Dates

  • Journal of Genetics | News

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