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Linkage studies in rice (Oryza sativaL.)

✍ Scribed by C. V. Dhulappanavar

Publisher: Springer
Year: 1973
Tongue: English
Weight: 370 KB
Volume: 22
Category: Article
ISSN: 0014-2336
DOI: 10.1007/bf00036656

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✦ Synopsis

In an intervarietal cross between IR 8 and Wanar 1, inheritance of pigmentation in coleoptile, leafsheath, auricle, node, internode, septum and glume was studied . A pleiotropic gene conditioning pigment in all these parts has been identified which may probably be one of the basic genes for anthocyanin pigmentation . A linkage group consisting of genes causing pigment in these seven organs has been indicated in this sequence : Pau-Pc-Pn-Psh-Pin-Pg-Pm. This group may form part of the III 'Sp' group of Misao et al. (1966) (corresponding to the `A' linkage group of japonica) in which case Pau, Pc, Pn and Pg are additions to this group . Linkage relationship of genes for coleoptile colour is reported for the first time .

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