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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Factors influencing farinograph absorption of Canada Western Red Winter wheat genotypes

Wu, Yao 18 November 2014 (has links)
The main objective of this study was to investigate the nature of farinograph absorption (FA) in CWRW flours which is typically lower than CWRS wheats. FA for CWRW genotype samples ranged from 54 - 65%. Phloroglucinol assay of pentosan content (PC) proved to be accurate and precise. The most highly correlated parameters to FA were volume fractions of large (or small) flour particles determined by laser diffraction, protein content, starch damage and water soluble PC. Correlations to FA for these factors were in the range r = 0.40 to 0.68. A promising 4-variable regression model of FA prediction (R2 = 0.64) was developed. CWRW wheats tended to be low in FA due to low levels of wheat hardness, protein content, or PC. Increasing the levels of these parameters by breeding would likely practically improve FA of future CWRW cultivars. An extended abstract is included at the end of this thesis.

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