Evaluation of the heterotic and heterobeltiotic potential of wheat genotypes for improved yield
2006
Inamullah (Hazara Univ., Mansehra (Pakistan). Dept. of Botany) | Ahmad, H. (Hazara Univ., Mansehra (Pakistan). Dept. of Botany) | Mohammad, F. (NWFP Agricultural Univ., Peshawar (Pakistan). Dept. of Plant Breeding and Genetics) | Siraj-ud-Din (Islamia Coll., Peshawar (Pakistan). Dept. of Botany) | Hassan, G. | Gul, R.
Heterotic and heterobeltiotic performance of 28 F1's obtained through crossing 8 commercial varieties, were evaluated for days to heading, days to maturity, tillers per plant, flag leaf area, plant height, spike length, grains per spike, 1000 grains weight, harvest index and yield per plant. The highest heterotic and heterobeltiotic interactions were recorded in GZ x Der (-5.35 and -4.98%) for days to heading, Tat X SQ (-2.16 and -1.21%) for days to maturity, GZ x Tat (14.92 and 7.46%) for tillers/plant, SQ x ICP (17.14 and 14.01 %) for flag leaf area, Tat x Sar (-3.29 and -2.89%) for plant height, SQ x Der (19.11 and 16.21%) for spike length, Sar x Der (23.14 and 17.60%) for grains per spike, Tkb x Der (28.42 and 28.0%) for 1000 grain weight, SQ x ICP (24.69 and 21.68%) for harvest index and Tat x SQ (56.25 and 26.87%) for yield per plant, respectively. The results revealed that the hybrid combinations Tat x SQ and SQ x ICP could be recommended for improved yield and enhanced biological production of wheat, respectively.
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