The Influence of Biostimulants Used in Sustainable Agriculture for Antifungal Protection on the Chemical Composition of Winter Wheat Grain

Ewa Szpunar-Krok (), Joanna Depciuch, Barbara Drygaś, Marta Jańczak-Pieniążek, Katarzyna Mazurek and Renata Pawlak
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Ewa Szpunar-Krok: Department of Crop Production, University of Rzeszow, Zelwerowicza 4 St., 35-601 Rzeszow, Poland
Joanna Depciuch: Institute of Nuclear Physics, Polish Academy of Sciences, 31-342 Krakow, Poland
Barbara Drygaś: Department of Bioenergetics, Food Analysis and Microbiology, Institute of Food Technology and Nutrition, College of Natural Science, University of Rzeszow, Ćwiklińskiej 2D St., 35-601 Rzeszow, Poland
Marta Jańczak-Pieniążek: Department of Crop Production, University of Rzeszow, Zelwerowicza 4 St., 35-601 Rzeszow, Poland
Katarzyna Mazurek: PTWP SA Warsaw Branch, Jana Pawła II 29 St., 00-867 Warsaw, Poland
Renata Pawlak: Biostyma Sp. z o.o., Sikorskiego 38 St., 62-300 Września, Poland

IJERPH, 2022, vol. 19, issue 20, 1-12

Abstract: Field studies were conducted from 2016 to 2019 (south-eastern Poland; 49°58′40.6″ N 22°33′11.3″ E) with the aim to identify the chemical composition of winter wheat grain upon foliar application of biostimulants, of which PlanTonic BIO (containing nettle and willow extracts) showed antifungal activity. The main chemical compositions and their spatial distribution in wheat grain were characterized by Raman spectroscopy technique. It was established that applied biostimulants and hydro-thermal conditions changed the chemical composition of the grain during all the studied years. A similar chemical composition of the grain was achieved in plants treated with synthetic preparations, including both intensive and extensive variants. The second group, in terms of an increase in fatty acid content, consists of grains of plants treated with biostimulants PlanTonic BIO, PlanTonic BIO + Natural Crop and PlanTonic BIO + Biofol Plex. The future of using biostimulants in crop production, including those containing salicylic acid and nettle extracts, appears to be a promising alternative to synthetic crop protection products.

Keywords: plant protection; biostimulants; Triticum aestivum L.; grain quality; Raman spectroscopy (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2022
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