Genetic Analysis of Yield, Its Attributing Traits and β-Carotene Content in Diallel Crosses of Maize (Zea mays L.)
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Date
2015
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Publisher
AAU, Anand
Abstract
Maize (Zea mays L.) is an important cross pollinated
cereal crop of high economic and nutritional value. Genetic variation
can be utilized to alter kernel composition for both quantity and
quality of starch, oil, protein, lysine and tryptophan in protein and β-
carotene content (pro-vitamin-A). In this context, For the enrichment
of vitamin-A content in the human diet, variability for β-carotene
content can be exploited through pro-vitamin-A biofortification.
Looking to the importance the study conducted to assess magnitude
of heterosis and combining ability of 28 single cross hybrids
developed by half-diallel mating design involving 8 parents and 2
standard checks (GAYMH-1 and HQPM-1). The genetic diversity
analysis of parental inbred lines involved in the crosses was done by
SSR molecular marker analysis. The field experiment laid out in
randomized block design with three replications at Agronomy Farm,
B. A. College of Agriculture, Anand Agricultural University, Anand in
rabi 2014-15.
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Keywords
agriculture, GENETICS, PLANT BREEDING, analysis