DEVELOPMENT OF BACKCROSS MAPPING POPULATION FOR SEED ZINC CONTENT IN PIGEONPEA

R.M. BASAVARAJESHWARI¹, B.H. RAJASHEKAR REDDY², K.N. GEETHA³, A.G. SHANKAR⁴*
¹Department of Crop Physiology, University of Agricultural Sciences, GKVK, Bengaluru, 560065, India
²Department of Crop Physiology, University of Agricultural Sciences, GKVK, Bengaluru, 560065, India
³Department of Agronomy, University of Agricultural Sciences, GKVK, Bengaluru, 560065, India
⁴Department of Crop Physiology, University of Agricultural Sciences, GKVK, Bengaluru, 560065, India
* Corresponding Author : ambara8@hotmail.com

Received : 30-10-2018     Accepted : 12-11-2018     Published : 30-11-2018
Volume : 10     Issue : 11       Pages : 538 - 540
Genetics 10.11 (2018):538-540

Keywords : Zinc deficiency, mapping population, pigeonpea and backcross
Academic Editor : Vinod S Kukanur
Conflict of Interest : None declared
Acknowledgements/Funding : Authors are thankful to Department of Biotechnology, Govt of India for funding this research. Authors are also thankful to University of Agricultural Sciences, GKVK, Bengaluru, 560065, India
Author Contribution : All authors equally contributed

The study was taken up with an objective to develop a backcross mapping population for seed zinc content in pigeonpea as a prerequisite for any molecular breeding programme. An elite variety BRG-1 was used as a recurrent parent in development of backcross population with a high zinc containing germplasm line. After crossing, the true F1 were identified using SSR marker system. Four true F1s obtained were backcrossed to BRG-1 and selfed in next season to develop the BC1F2 population. This mapping population serves a useful genetic resource for molecular breeding studies for zinc content in pigeonpea.

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