The research project was largely built around the tall traditional cultivars of the pre-dwarfing era, which were known to excel for chapati quality. These included C 306, C 518 and C 273. The few cultivars that had emanated from crosses of these superior chapati quality wheats with dwarf wheats formed another important component of this set and included WG 357, PBW 175, PBW 154, PBW 226, Lok 1 among others. Asecond set of materials, three backcross recombinant populations (BC1F5 generation) derived from C 273/PBW 343//PBW 343 (70 lines), C 306/PBW 534//PBW 534 (70 lines) and C 518/PBW 343//PBW 343 (80 lines) were also studied to arrive at some conclusion. Various physico-chemical characters(Grain appearance score,Grain hardness,Test weight,1000-grain weight,Yellow berry,Moisture content,Protein content,Gluten content, Gluten index, Sedimentation value, Phenol Test, Carotenoids, Sugar content, Diastatic activity, Falling Number) and chapati-makingscores were evaluated. Grain hardness seems to have a clear role in chapati quality with a correlation coefficient of 0.34, 0.35 and 0.17 observed in different recombinant populations.More consistent correlation was found for grain appearance ranging from 0.26 to 0.36 in the populations.Consistent high positive correlations have showed up for diastase activity, which ranged from 0.32 to 0.46.This consistent behaviour is a strong evidence for the role of this trait in chapati making quality.Diastase activity emerges as a more consistent and stronger contributor to chapati making quality. Phenol score may not serve as a suitable indicator of chapati quality.
Chapati making quality, Diastase activity, Phenol score, Total and reducing sugars, Wheat
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