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Yield and grain quality of spring barley as affected by biomass formation at early growth stages

Author

Listed:
  • J. Křen

    (Department of Agrosystems and Bioclimatology, Faculty of Agronomy, Mendel University in Brno, Brno, Czech Republic)

  • K. Klem

    (Department of Impact Experiments, Global Change Research Centre, Academy of Sciences of the Czech Republic, Brno, Czech Republic)

  • I. Svobodová

    (Agrotest Fyto, s.r.o., Kroměříž, Czech Republic)

  • P. Míša

    (Agrotest Fyto, s.r.o., Kroměříž, Czech Republic)

  • L. Neudert

    (Department of Agrosystems and Bioclimatology, Faculty of Agronomy, Mendel University in Brno, Brno, Czech Republic)

Abstract

Timely and reliable prediction of grain yield and quality of spring barley represents a key prerequisite for effective crop management. Within this study we evaluated the relationships between yield components, grain quality, biomass production and the number of tillers in different growth stages. For this purpose, in three years (2011-2013) multifactorial field trials focused on the combined effects of cultivar, sowing density and nitrogen nutrition were conducted. Based on ANOVA it was found that the formation of grain yield was affected by individual factors in the following order of importance: year, nitrogen, cultivar and sowing rate. The final grain yield significantly correlated both with the number of tillers and dry weight of above-ground biomass per unit area. The best estimation of yield provided both parameters at early growth stage (R = 0.83** and 0.81** for number of tillers and the above-ground biomass at BBCH 25). The grain protein content was inversely related to early growth parameters (R = -0.64** and -0.41** for number of tillers and above-ground biomass at BBCH 25). Based on the comparison of relationships between the years, it can be concluded that the early growth of barley and tiller differentiation is a key parameter for the formation of yield and grain quality.

Suggested Citation

  • J. Křen & K. Klem & I. Svobodová & P. Míša & L. Neudert, 2014. "Yield and grain quality of spring barley as affected by biomass formation at early growth stages," Plant, Soil and Environment, Czech Academy of Agricultural Sciences, vol. 60(5), pages 221-227.
    • Handle: RePEc:caa:jnlpse:v:60:y:2014:i:5:id:91-2014-pse
    DOI: 10.17221/91/2014-PSE
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    Citations

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    Cited by:

    1. I. Barányiová & K. Klem, 2016. "Effect of application of growth regulators on the physiological and yield parameters of winter wheat under water deficit," Plant, Soil and Environment, Czech Academy of Agricultural Sciences, vol. 62(3), pages 114-120.
    2. Milan MIROSAVLJEVIĆ & Vojislava MOMČILOVIĆ & Ivana MAKSIMOVIĆ & Marina PUTNIK-DELIĆ & Novo PRŽULJ & Nikola HRISTOV & Novica MLADENOV, 2018. "Pre-anthesis development of winter wheat and barley and relationships with grain yield," Plant, Soil and Environment, Czech Academy of Agricultural Sciences, vol. 64(7), pages 310-316.
    3. Katarína Olšovská & Oksana Sytar & Peter Kováčik, 2024. "Optimizing Nitrogen Application for Enhanced Barley Resilience: A Comprehensive Study on Drought Stress and Nitrogen Supply for Sustainable Agriculture," Sustainability, MDPI, vol. 16(5), pages 1-14, February.
    4. Jan Křen & Martin Houšť & Ludvík Tvarůžek & Zdeněk Jergl, 2019. "The effect of stand structure on the grain quality of spring barley," Plant, Soil and Environment, Czech Academy of Agricultural Sciences, vol. 65(4), pages 205-210.
    5. Wu, Lihong & Quan, Hao & Wu, Lina & Zhang, Xi & Feng, Hao & Ding, Dianyuan & Siddique, Kadambot H.M., 2023. "Responses of winter wheat yield and water productivity to sowing time and plastic mulching in the Loess Plateau," Agricultural Water Management, Elsevier, vol. 289(C).

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