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Biotechnology
  Year: 2008 | Volume: 7 | Issue: 2 | Page No.: 287-292
DOI: 10.3923/biotech.2008.287.292
Combining Ability and Heritability of Callus Induction and Green-Plant Regeneration in Rice Anther Culture
N. Bagheri and N.B. Jelodar

Abstract:
This study was conducted to determine the inheritance of callus induction and plant regeneration in rice anther culture. Low efficiencies of callus induction and green-plant regeneration have limited the application of anther culture in plant breeding programs. Four parents along with six F1 genotypes derived from a four-parent incomplete diallel mating set of two commercial lines (Amol2 and Amol3) and two local cultivars (Ghasroddashti and Rashti) were evaluated for their callus induction and plant regeneration abilities. The results showed that the callus induction, green-plant regeneration and the effects of genotype and genotypexmedium interaction were significant (p<0.01). The local cultivars generally had a higher percent callus induction, plant regeneration and number of calli producing green plants than the commercial lines. The parents showed significant difference in anther callus formation, from 4.01% (Amol2) to 22.26% (Rashti). Combining ability analysis demonstrated the predominance of additive gene effects in the control of both characters with the local cultivars having higher combining ability for green-plant regeneration. Also gene action to be partially dominant for both characters. Combining ability analysis revealed that both additive and dominant gene effects are important in controlling callus induction and green-plant regeneration in rice.
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How to cite this article:

N. Bagheri and N.B. Jelodar, 2008. Combining Ability and Heritability of Callus Induction and Green-Plant Regeneration in Rice Anther Culture. Biotechnology, 7: 287-292.

DOI: 10.3923/biotech.2008.287.292

URL: https://scialert.net/abstract/?doi=biotech.2008.287.292

 
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