Genotype, environment, seeding rate, and top-dressed nitrogen effects on end-use quality of modern Nebraska winter wheat

Madhav Bhatta, Teshome Regassa, Devin J. Rose, P. Stephen Baenziger, Kent M. Eskridge, Dipak K. Santra, Rachana Poudel

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

BACKGROUND: Fine-tuning production inputs such as seeding rate, nitrogen (N), and genotype may improve end-use quality of hard red winter wheat (Triticum aestivium L.) when growing conditions are unpredictable. Studies were conducted at the Agronomy Research Farm (ARF; Lincoln, NE, USA) and the High Plains Agricultural Laboratory (HPAL; Sidney, NE, USA) in 2014 and 2015 in Nebraska, USA, to determine the effects of genotype (6), environment (4), seeding rate (3), and flag leaf top-dressed N (0 and 34 kg N ha−1) on the end-use quality of winter wheat. RESULTS: End-use quality traits were influenced by environment, genotype, seeding rate, top-dressed N, and their interactions. Mixograph parameters had a strong correlation with grain volume weight and flour yield. Doubling the recommended seeding rate and N at the flag leaf stage increased grain protein content by 8.1% in 2014 and 1.5% in 2015 at ARF and 4.2% in 2014 and 8.4% in 2015 at HPAL. CONCLUSION: The key finding of this research is that increasing seeding rates up to double the current recommendations with N at the flag leaf stage improved most of the end-use quality traits. This will have a significant effect on the premium for protein a farmer could receive when marketing wheat.

Original languageEnglish (US)
Pages (from-to)5311-5318
Number of pages8
JournalJournal of the Science of Food and Agriculture
Volume97
Issue number15
DOIs
StatePublished - Dec 2017

Fingerprint

Triticum
winter wheat
Nitrogen
sowing
Genotype
genotype
nitrogen
High Plains (United States)
hard red winter wheat
Flour
leaves
Marketing
Research
agronomy
grain protein
Proteins
marketing
flour
Weights and Measures
protein content

Keywords

  • dough rheology
  • end-use quality traits
  • grain protein
  • wheat marketing

ASJC Scopus subject areas

  • Biotechnology
  • Food Science
  • Agronomy and Crop Science
  • Nutrition and Dietetics

Cite this

Genotype, environment, seeding rate, and top-dressed nitrogen effects on end-use quality of modern Nebraska winter wheat. / Bhatta, Madhav; Regassa, Teshome; Rose, Devin J.; Baenziger, P. Stephen; Eskridge, Kent M.; Santra, Dipak K.; Poudel, Rachana.

In: Journal of the Science of Food and Agriculture, Vol. 97, No. 15, 12.2017, p. 5311-5318.

Research output: Contribution to journalArticle

Bhatta, Madhav ; Regassa, Teshome ; Rose, Devin J. ; Baenziger, P. Stephen ; Eskridge, Kent M. ; Santra, Dipak K. ; Poudel, Rachana. / Genotype, environment, seeding rate, and top-dressed nitrogen effects on end-use quality of modern Nebraska winter wheat. In: Journal of the Science of Food and Agriculture. 2017 ; Vol. 97, No. 15. pp. 5311-5318.
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