Nature of gene action for duration of grain filling in crosses of winter and spring wheats (Triticum aestivum L. em Thell)
1985
Choi, B.H. (Rural Development Administration, Suwon (Korea R.). Crop Experiment Station)
Breeders were concerned with the nature of gene action controlling the duration of grain filling period to combine early maturity and acceptable grain yield to fit wheat into multiple cropping systems. The 4 x 4 complete diallel set of F1, F2 and 1/2 (BC1 + BC2) in crosses of winter and spring wheat cultivars was made to determine the nature of gene action involved for duration of grain filling period. Using the Jinks-Hayman model, no maternal effects were noted nor were any non-allelic interactions observed for total duration of grain filling and lag period. The actual grain filling period was influenced to some degree by such interactions
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