Wheat quality index: new holistic approach to identify quality superior genotypes

Mohan, Devinder and Sendhil, R. and Gupta, Om Prakash and Pandey, Vanita and Krishnappa, Gopalareddy and Singh, Gyanendra Pratap (2022) Wheat quality index: new holistic approach to identify quality superior genotypes. CEREAL RESEARCH COMMUNICATIONS, 50 (4). pp. 1105-1115. ISSN 0133-3720 (print), 1788-9170 (online)

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Abstract

Ranking test entries or test sites on a quality basis is very difficult in wheat as value addition is perceived by several grain properties and the quality of the end-products. Selection of elite lines is easy when a single quality trait is under consideration and unmanageable for multiple quality traits. Here, a novel approach has been developed and tested by deriving wheat quality index based on principal component analysis of 13 physico-chemical grain parameters and 3 end products of 45 wheat varieties. This novel approach has been developed to distinguish an array of high-yielding wheat varieties based on their overall quality status. Depending upon the wheat quality index range (0.15–0.71), the cultivars were assorted into three distinct categories, i.e. elite, moderate and poor. The top group ascertained genotypes with high-quality standards suited for bread and chapati, whereas the bottom group assured varieties suited for good quality biscuits. This technique was also tested to differentiate quality enriched test sites within a wheat-growing zone to demarcate the most suited production environments to harness good quality wheat. The index will have an implication on the farmers (premium price for varietal segregation), industry (product-specific quality cultivars), and consumers (superior quality products).

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