Biostimulants and herbicides shape the structure of potato tuber yield

Krystyna Zarzecka and Marek Gugała
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Krystyna Zarzecka: Institute of Agriculture and Horticulture, University of Siedlce, Siedlce, Poland
Marek Gugała: Institute of Agriculture and Horticulture, University of Siedlce, Siedlce, Poland

Plant, Soil and Environment, 2024, vol. 70, issue 7, 468-473

Abstract: The aim of the study was to assess the impact of three biostimulants and a herbicide on selected unit parameters of potato yield. The research results came from a three-year field experiment that was established using the randomised sub-blocks method in three replications. In the experiment, two cultivars of edible potato were grown and the yield-protective effect of treatments was assessed: (1) control object without protection with preparations; (2) herbicide clomazone + metribuzin; (3) biostimulant PlonoStart and herbicide clomazone + metribuzin; (4) biostimulant Aminoplant and herbicide clomazone + metribuzin, and (5) biostimulant Agro-Sorb Folium and herbicide clomazone + metribuzin. As a result of the limited competition of weeds in the objects with the use of biostimulant and herbicide, a higher average weight of one potato tuber, a higher share of commercial tubers > 35 mm and a higher share of large tubers > 50 mm was obtained compared to the control object. The highest average weight of one tuber (108.2 and 85.4 g, respectively) and the highest share of commercial (97.1 and 96.3%, respectively) and large tubers (60.6 and 60.5%, respectively) were obtained in the objects where the Agro-Sorb Folium biostimulant + Avatar 293 ZC herbicide were used. and PlonoStart + Avatar 293 ZC. The correlation analysis confirmed a significant negative relationship between the number of weeds and average weight of one potato tuber, share of commercial tubers and share of large tubers. Weather conditions during the conduct of the research also significantly differentiated weed numbers and quality parameters of potato yield.

Keywords: Solanum tuberosum L.; growth regulators; structure of yield; weed infestation (search for similar items in EconPapers)
Date: 2024
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Persistent link: https://EconPapers.repec.org/RePEc:caa:jnlpse:v:70:y:2024:i:7:id:103-2024-pse

DOI: 10.17221/103/2024-PSE

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