Madras Agricultural Journal
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A Study of the Cyto-Nuclear Relationships in Eu-Sorghum

Abstract

In an attempt to develop new male-sterile lines in chosen Indian Sorghum types viz. A. S. 3880 (S. roxburghii Stapf) and Co. 18 (S. subglabrescens Schweinf et Aschers) through the use of m. s. C. K. 60 (S. caffrorum Beauv, the male sterile combine Kafir-60), it was felt desirable to get a knowledge of the cyto-nuclear relationships among the types in- volved. The relationships were sought to be studied from the expression of male-fertility in various cross combinations among these varieties including C. K. 160 (S. caffrorum-Combine Kafir-60), the male-fertile, maintaining counter part of m. s. C. K. 60. The results obtained and their significance are discussed hereunder.

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