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The Combined Effect of Nitrogen Treatment and Weather Conditions on Wheat Protein-Starch Interaction and Dough Quality

Author

Listed:
  • Indrek Keres

    (Institute of Agricultural and Environmental Sciences, Estonian University of Life Sciences, Fr.R. Kreutzwaldi 5, 51006 Tartu, Estonia)

  • Maarika Alaru

    (Institute of Agricultural and Environmental Sciences, Estonian University of Life Sciences, Fr.R. Kreutzwaldi 5, 51006 Tartu, Estonia)

  • Reine Koppel

    (Estonian Crop Research Institute, J. Aamisepa 1, 48309 Jõgeva, Estonia)

  • Illimar Altosaar

    (Department of Biochemistry, Microbiology and Immunology, University of Ottawa, 75 Laurier Ave. E, Ottawa, ON K1N 6N5, Canada)

  • Tiina Tosens

    (Institute of Agricultural and Environmental Sciences, Estonian University of Life Sciences, Fr.R. Kreutzwaldi 5, 51006 Tartu, Estonia)

  • Evelin Loit

    (Institute of Agricultural and Environmental Sciences, Estonian University of Life Sciences, Fr.R. Kreutzwaldi 5, 51006 Tartu, Estonia)

Abstract

The objective of this field crop study was to compare the effect of organic (cattle manure, off-season cover crop) and mineral N (NH 4 NO 3 ; 0, 50, 100° 150 kg N ha −1 ) fertilizers on (i) gluten-starch interaction, and (ii) rheological properties of winter wheat dough. Data were collected from the long-term field experiment located in the Baltic Sea region (58°22′ N, 26°40′ E) in years 2013–2017. The amount of minuppueral N 150 kg ha −1 applied in two parts before flowering ensured higher gluten content (31 ± 3.3%) and dough quality (81 ± 7.4 mm) due to more positive interactions between gluten proteins and starch granules. The quality of dough was more variable in organic treatments (ranged up to 33%) because the availability of organic N was more variable and sensitivity to the weather conditions was higher. The mean variability of different dough properties over trial years under organic treatments was 1.4–2.0 times higher than in the treatment with 150 kg N ha −1 .

Suggested Citation

  • Indrek Keres & Maarika Alaru & Reine Koppel & Illimar Altosaar & Tiina Tosens & Evelin Loit, 2021. "The Combined Effect of Nitrogen Treatment and Weather Conditions on Wheat Protein-Starch Interaction and Dough Quality," Agriculture, MDPI, vol. 11(12), pages 1-12, December.
    • Handle: RePEc:gam:jagris:v:11:y:2021:i:12:p:1232-:d:696928
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    References listed on IDEAS

    as
    1. Indrek Keres & Maarika Alaru & Liina Talgre & Anne Luik & Viacheslav Eremeev & Andres Sats & Ivi Jõudu & Anu Riisalu & Evelin Loit, 2020. "Impact of Weather Conditions and Farming Systems on Size Distribution of Starch Granules and Flour Yield of Winter Wheat," Agriculture, MDPI, vol. 10(1), pages 1-11, January.
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