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Effects of Pre-Harvest Glyphosate Application on Spring Wheat Quality Characteristics

Author

Listed:
  • Maneka Malalgoda

    (Department of Plant Sciences, North Dakota State University, Fargo, ND 58108, USA)

  • Jae-Bom Ohm

    (USDA-ARS, Edward T. Schafer Agricultural Research Center, Cereal Crops Research Unit, Hard Spring and Durum Wheat Quality Laboratory, Fargo, ND 58102, USA)

  • Joel K. Ransom

    (Department of Plant Sciences, North Dakota State University, Fargo, ND 58108, USA)

  • Kirk Howatt

    (Department of Plant Sciences, North Dakota State University, Fargo, ND 58108, USA)

  • Senay Simsek

    (Department of Plant Sciences, North Dakota State University, Fargo, ND 58108, USA)

Abstract

This study was conducted to determine the effect of pre-harvest glyphosate application on spring wheat quality characteristics, ranging from kernel quality to baking quality. Two wheat cultivars were grown in three locations, and glyphosate was applied at the recommended rate at the soft dough stage (early application) and the ripe stage (recommended application time). When glyphosate was applied at the soft dough stage, kernel weight, wheat protein and wet gluten decreased significantly ( p ≤ 0.05), however, gluten index significantly increased ( p ≤ 0.05). Dough quality, farinograph stability, and quality number were significantly ( p ≤ 0.05) higher when glyphosate was applied at the soft dough stage, and absorption and the mixing tolerance index were lower. As for baking quality, loaf volume and mix time were significantly ( p ≤ 0.05) higher in the treated samples in comparison to the untreated control, and other baking quality characteristics did not show any significant difference. Overall, the results indicate that spring wheat quality characteristics are impacted to the greatest degree when glyphosate is applied earlier than recommended at the soft dough stage, as opposed to the recommended application at the ripe stage of physiological development.

Suggested Citation

  • Maneka Malalgoda & Jae-Bom Ohm & Joel K. Ransom & Kirk Howatt & Senay Simsek, 2020. "Effects of Pre-Harvest Glyphosate Application on Spring Wheat Quality Characteristics," Agriculture, MDPI, vol. 10(4), pages 1-16, April.
    • Handle: RePEc:gam:jagris:v:10:y:2020:i:4:p:111-:d:341376
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    Cited by:

    1. Glauber Monçon Fipke & Vinicius dos Santos Cunha & Evandro Ademir Deak & Jessica Deolinda Leivas Stecca & João Leonardo Fernandes Pires & Guilherme de Almeida Arismendi & Eduarda Grün & Thomas Newt, 2021. "Harvest Anticipation, Yield and Economic Feasibility of Wheat by Application of Non-Selective Herbicides," Journal of Agricultural Studies, Macrothink Institute, vol. 9(2), pages 171-187, June.

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