Effect of alien cytoplasm and fertility restorer genes on agronomic and physiological traits of Brassica juncea (L.) Czern

Rohit Chamola; Harindra S. Balyan; Shripad R. Bhat

doi:10.1111/pbr.12080

journal article Aug 16, 2013

Effect of alien cytoplasm and fertility restorer genes on agronomic and physiological traits of Brassica juncea (L.) Czern

Rohit Chamola Harindra S. Balyan Shripad R. Bhat

Plant Breeding Vol. 132 No. 6 pp. 681-687 · Wiley

View at Publisher Save 10.1111/pbr.12080

Abstract

AbstractTo assess the effect of alien cytoplasm and fertility restorer genes on agronomic and physiological traits in Brassica juncea, cytoplasmic male sterile (CMS) and fertility restorer lines involving five alloplasms in three nuclear backgrounds were constituted through repeated backcrossing. These lines were evaluated along with euplasmic lines for agronomic traits in field experiments. Respiration efficiency of in vitro cultured hypocotyls, and chlorophyll content in leaves were also estimated. Significant adverse effects of trachystoma and catholica cytoplasms on yield‐contributing traits and yield were noticed. The restorer gene corrected the floral defects in CMS trachystoma and restored yield to the level of euplasmic line, while it did so only partly in CMS catholica. Restorer genes had no adverse effect on traits in any of the systems. On the contrary, the Rf gene of moricandia CMS system exerted a positive effect on leaf chlorophyll content. Likewise, in vitro assay indicated the moricandia CMS system as vigorous. The moricandia CMS plants gave higher seed yield perhaps due to overall better vigour and higher leaf chlorophyll content.

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Metrics

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Citations

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References

Details

Published: Aug 16, 2013
Vol/Issue: 132(6)
Pages: 681-687
License: View

Authors

R

Rohit Chamola

National Research Centre on Plant Biotechnology Pusa Campus New Delhi 110012 India

H

Harindra S. Balyan

Department of Genetics and Plant Breeding Ch. Charan Singh University Meerut 200005 India

S

Shripad R. Bhat

National Research Centre on Plant Biotechnology Pusa Campus New Delhi 110012 India

Cite This Article

Rohit Chamola, Harindra S. Balyan, Shripad R. Bhat (2013). Effect of alien cytoplasm and fertility restorer genes on agronomic and physiological traits of Brassica juncea (L.) Czern. Plant Breeding, 132(6), 681-687. https://doi.org/10.1111/pbr.12080

Effect of alien cytoplasm and fertility restorer genes on agronomic and physiological traits of Brassica juncea (L.) Czern

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