Indian Journal of Agricultural Research
Chief EditorV. Geethalakshmi
Print ISSN 0367-8245
Online ISSN 0976-058X
NAAS Rating 5.60
SJR 0.293
Chief EditorV. Geethalakshmi
Print ISSN 0367-8245
Online ISSN 0976-058X
NAAS Rating 5.60
SJR 0.293
Identification of high b-Carotene lines of maize in backcross (BC2F1) population by genotyping crtRB1 Allele specific marker
Submitted29-10-2015|
Accepted13-05-2016|
First Online 25-10-2016|
In order to address the global problem of Vitamin A deficiency, biofortification is considered to be a cost effective and sustainable approach. The polymorphism in crtRB1gene is associated with b-carotene levels in maize kernels. The randomly selected 10 seeds of selected maize lines in BC2F1 population cobs when analyzed for b-carotene content through HPLC, showed confirmation of improvement in b-carotene content of 2.37 µg/g. The crtRB1 3’TE polymorphism in BC2F1 population of the cross revealed that the progenies showed segregation distortion(SD). The present study indicated the possiblity to develop a high b-carotene inbred with genetic identity closer to that of the recurrent parent.
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