Volume 4, Issue 3 (2002)
JAST 2002, 4(3): 141-149 |
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Plant Regeneration from Cell Suspension Protoplasts of Two Iranian Japonica Rice Cultivars and Ploidy Level of
Regenerated Plants. JAST 2002; 4 (3) :141-149
URL: http://jast.modares.ac.ir/article-23-2630-en.html
URL: http://jast.modares.ac.ir/article-23-2630-en.html
Abstract: (7176 Views)
An efficient system has been developed for the reproducible regeneration of plants from cell suspension-derived protoplasts of the two commercial Iranian Japonica rice cultivars Tarom and Khazer. Friable embryogenic calli were used for cell suspension initiation and protoplasts were isolated from both varieties. When embedded in agarose, proto-plasts failed to divide. However, sustained divisions were obtained by using nurse cells of Lolium moltiflorum. Plant regeneration was 21.1% and 10.5% for Tarom and Khazer, re-spectively. Somaclonal variation was observed amongst regenerated plants, 16.2% of re-generants were tetraploid, and the rest were diploid.
Keywords: Cell suspension, Iranian Japonica rice, Oryza sativa, Plant regeneration, Ploidy, Protoplast culture
Subject:
Plant Breeding
Received: 2010/02/10 | Accepted: 2010/02/10 | Published: 2010/02/10
Received: 2010/02/10 | Accepted: 2010/02/10 | Published: 2010/02/10
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