ESTIMATION OF PARAMETERS OF GENETIC VARIABILITY, HERITABILITY AND GENETIC ADVANCE IN ELITE LINES OF WHEAT COLLECTED FROM DIFFERENT PARTS OF MADHYA PRADESH, INDIA
Journal Title: International Journal of Agriculture Sciences - Year 2016, Vol 8, Issue 34
Abstract
Wheat, which has been considered as the “multipurpose cereal food†for different centuries continues to hold on this honour with its lineage penetrating deep into the depths of human culture. Wheat competes good enough with other cereals in it’s nutritive parameters. The nutrition summary of wheat is 12.1 percent protein, 1.8 percent lipids, 1.8 percent ash, 2.0 percent reducing sugars, 6.7 percent pentosans, 59.2 percent starch, 70 percent total carbohydrates. It also imparts energy of 314K cal/100g of food (1). Genetic variability, heritability, genetic advance was evaluated for Ninety Six wheat accessions collected from different parts of MP for yield and its attributing characters. Analysis of variance discovered highly significant differences among genotypes with regard to all the quantitative characters studied, thus illustrating presence of ample genetic variability among genotypes. The phenotypic and genotypic coefficient of variation was identified to be high for biological yield/ plant, grain yield/plant and harvest index, moderate for tillers/plant, days to 50% heading and 1000- grain weight and low for ear length and days to maturity. This signified prevalence of enough genetic variability for the characters studied other than ear length and days to maturity. Heritability estimates was found to be high for all the characters studied. The characters viz., tillers/plant, days to 50% heading, 1000- grain weight, biological yield/ plant, grain yield/plant and harvest index showed high heritability coupled with a high genetic advance representing that simple selection scheme would be good enough for these traits to carry out genetic improvement in preferred direction.
Authors and Affiliations
MADHUR DIXIT
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