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Abstract

Attempts to determine phenotypic predictors to identify high quality maize grain for different uses are noteworthy. This study aimed to assess the relationships among maize grain quality and some phenotypic characteristics of dent maize cultivars in response to various irrigation regimes (6-day and 12-day intervals), planting dates (20 June and 21 July), and nitrogen rates (0 and 184 kg ha(-1)), in a two-year experiment. Principal component analysis suggested that grain yield, hundred-grain weight and stem biomass were highly correlated with starch, oil and most fatty acid concentration variables. Grains per ear was the only variable correlated with amylose, protein and amino acids. Using regression tree analysis, stover yield (R-2 = 0.47, P

Keywords

amino acids; corn quality; fatty acids; irrigation; nitrogen; starch

Published in

Journal of Cereal Science
2022, volume: 103, article number: 103388

SLU Authors

  • Rahimi Jahangirlou, Maryam

    • University of Tehran
  • Parsons, David

    • Department of Agricultural Research for Northern Sweden, Swedish University of Agricultural Sciences

UKÄ Subject classification

Genetics and Breeding in Agricultural Sciences
Agricultural Science

Publication identifier

  • DOI: https://doi.org/10.1016/j.jcs.2021.103388

Permanent link to this page (URI)

https://res.slu.se/id/publ/114994