Studies on Variability in Wheat ( Triticum aestivum Linn.)

Significant treatment mean sum of squares for eleven characters studied revealed the presence of considerable amount of variability in F2’s of 21 crosses, 7 parents and 2 checks. The magnitude of GCV and PCV were high for productive tiller per plant and spikelets per spike; whereas, days to maturity and days to 50 per cent flowering exhibited least GCV and PCV. The high heritability was accompanied with high genetic advance as per cent of mean for length of spike, productive tillers per running meter, 1000 grain weight and grain yield per plant indicating additive genetic control in the expression of these characters