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The Influence of Applying Foliar Micronutrients at Nodulation and the Physiological Properties of Common Soybean Plants

Author

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  • Wacław Jarecki

    (Department of Crop Production, University of Rzeszow, Zelwerowicza 4, 35-601 Rzeszow, Poland)

  • Tomasz Lachowski

    (Department of Crop Production, University of Rzeszow, Zelwerowicza 4, 35-601 Rzeszow, Poland
    Doctoral School, University of Rzeszow, Rejtana 16C, 35-959 Rzeszow, Poland)

  • Dagmara Migut

    (Department of Crop Production, University of Rzeszow, Zelwerowicza 4, 35-601 Rzeszow, Poland)

Abstract

Legumes, due to their symbiosis with papillary bacteria, can receive nitrogen from the air. The remaining nutrients must be supplied in fertilisers, either soil or foliar. In the pot experiment, we recorded the responses of two soybean cultivars (Annushka, Pompei) to the foliar application of micronutrients (control, Zn, Fe, Cu, Mn, B, or Mo). The physiological properties were expressed as net photosynthetic rate (P N ), intercellular CO 2 concentration (C i ), transpiration rate (E), stomatal conductance (g s) , maximum quantum yield of photosystem II (F v /F m ), maximum quantum yield of primary photochemistry (F v /F 0 ), photosynthetic performance index (PI), and the development of soil plant analyses (SPAD), which were analysed. The effects of individual micronutrients on nodulation, plant growth, and condition were also investigated. Micronutrient fertilisation had a positive effect on plant fresh weight and no negative effect on plant condition. It was shown that elements such as B, Fe, and Mo had the most beneficial effect on nodulation compared to the control, regardless of the cultivar analysed. The application of single-component foliar fertilisers improved the physiological parameters of the plants. The relative chlorophyll content was most favourably affected by the application of Mn, B, and Mo in the Annushka cultivar, and Fe, Mn, and Mo in the Pompei cultivar. Similarly, in the case of chlorophyll fluorescence, the most stimulating effect was found for Mn and B, regardless of the cultivar. In the case of gas exchange, the application of Fe, Mo, and B for the Annushka cultivar and Cu for the Pompei cultivar had the most favourable effect on physiological measurements. The results obtained indicate that the foliar application of the evaluated micronutrients is justified in soybean cultivation and does not disturb the nodulation process.

Suggested Citation

  • Wacław Jarecki & Tomasz Lachowski & Dagmara Migut, 2024. "The Influence of Applying Foliar Micronutrients at Nodulation and the Physiological Properties of Common Soybean Plants," Agriculture, MDPI, vol. 14(1), pages 1-21, January.
    • Handle: RePEc:gam:jagris:v:14:y:2024:i:1:p:154-:d:1323193
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    References listed on IDEAS

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    1. P. Liu & Y.S. Yang & G.D. XU & Y.H. Fang & Y.A. Yang & R.M. Kalin, 2005. "The effect of molybdenum and boron in soil on the growth and photosynthesis of three soybean varieties," Plant, Soil and Environment, Czech Academy of Agricultural Sciences, vol. 51(5), pages 197-205.
    2. Mehmet Hamurcu & Derya Arslan & Erdogan E. Hakki & M. Musa Özcan & Anamika Pandey & Mohd Kamran Khan & Sait Gezgin, 2019. "Boron application affecting the yield and fatty acid composition of soybean genotypes," Plant, Soil and Environment, Czech Academy of Agricultural Sciences, vol. 65(5), pages 238-243.
    3. W. Jarecki & J. Buczek & D. Bobrecka-Jamro, 2016. "Response of soybean (Glycine max (L.) Merr.) to bacterial soil inoculants and foliar fertilization," Plant, Soil and Environment, Czech Academy of Agricultural Sciences, vol. 62(9), pages 422-427.
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