Wheat hardness in relation to other quality factors
2009
Hruskova, M.,Vysoka Skola Chemicko-technologicka, Prague (Czech Republic). Ustav Chemie a Technologie Sacharidu | Svec, I.,Vysoka Skola Chemicko-technologicka, Prague (Czech Republic). Ustav Chemie a Technologie Sacharidu
The analysis of the wheat hardness in relation to other quality features was done with 281 varieties and commercial wheat samples harvested in the Czech Republic during the years 2003-2006. The grain hardness was measured using NIR spectrophotometer Inframatic 8600. Tukey's test of the grain hardness was performed to compare wheat varieties, wheat origins, years, localities, and farming intensities. The grain hardness of the varieties belonging to different quality classes was independent of either their classification or winter/spring type. The locality had no effect while a significant increase in the kernel compactness was observed from 2004 to 2006. As confirmed by the correlation analysis, the grain hardness influenced wheat milling quality. The strongest relations were calculated between grain hardness and ash content, semolina yield, and flour protein content (-0.55, 0.52, 0.42, respectively).
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