Pawan Kumar Saini, Sarvendra Kumar and Som Veer Singh

Wheat is an edible grain, one of the oldest and most important of the cereal crops in the world. Eight diverse genotypes were crossed in diallel mating design excluding reciprocals for studying of combining ability analysis in F1 generation of wheat at Crop Research Farm, Nawabganj of C. S. A. University of Agriculture and Technology, Kanpur-208002 UP India. The genotypes under study were planted in a randomized complete block design (RCBD). Highly significant variances for both general and specific combining abilities for all the characters studied were found which indicated the importance of both additive and non-additive gene effects. On the basis of GCA effect the good parents were namely, K7903 for seven characters, K307 for six characters, HD 3171 for six characters, PBW502 for six characters, WH147 for five characters, K1006 for five characters, DBW14 for five characters and K906 for two characters. On the basis of SCA effects top five superior combinations in order to merit were observed for viz, WH147 X PBW502 in respects to days to 75% heading, number of spikelets per spike, number of grains per spike, biological yield per plant and grain yield per plant. In order to merit were K7903 X DBW14 for days to 75% heading, plant height, number of grains per spike, biological yield per plant and grain yield per plant. In order to merit were HD3171 X WH147 for days of maturity, number of spikelets per spike, spike length and weight of grains per spike. In order to merit were HD3171 X K906 for days to maturity, number of spikelet per spike and harvest index. In order to merit were HD3171 X K906 for days of maturity, number of spikelets per spike, harvest index.

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