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Linkage between a basic gene for anthocyanin pigmentation and a complementary gene for purple septum in rice (Oryza sativa L.)

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Summary

Twelve characters showed segregation for pigmentation in the rice cross T-141xK-44-1. Inheritance was complicated by the involvement of the unusual number of genes ranging from two to five with different modes of action such as complementary, duplicate, inhibitory, anti-inhibitory etc. F2 ratios in respect of ten out of twelve characters are reported for the first time. Analysis of the combined segregation data revealed the existence of a pleiotropic basic gene responsible for the formation of purple pigment in eleven characters. This basic gene designated as A (C) is linked with the complementary gene-Pm for purple pigmentation at the septum region with the cross-over value of about 11 per cent. This linkage group forms part of group III of Misro et al. (1966) corresponding to the ‘A’ linkage group of Takahashi (1963).

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Authors and Affiliations

  1. Regional Research Station, College of Agriculture, Dharwar, Karnataka, India

    C. V. Dhulappanavar, Shanta R. Hiremath & G. P. Sathyavathi

Authors
  1. C. V. Dhulappanavar
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  2. Shanta R. Hiremath
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  3. G. P. Sathyavathi
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PL. 480 project on linkage maps in rice.

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Dhulappanavar, C.V., Hiremath, S.R. & Sathyavathi, G.P. Linkage between a basic gene for anthocyanin pigmentation and a complementary gene for purple septum in rice (Oryza sativa L.). Euphytica 24, 633–638 (1975). https://doi.org/10.1007/BF00132900

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  • DOI: https://doi.org/10.1007/BF00132900

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