Influence of Application Timings, Rates, and Adjuvants on Tiencarbazone-Methyl Plus Isoxaflutole and Mesotrione with Nicosulfuron and Rimsulfuron on Weed Control and Yield of Maize

Robert Idziak, Tomasz Sakowicz, Hubert Waligóra, Piotr Szulc (), Leszek Majchrzak, Barbara Stachowiak and Małgorzata Neumann
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Robert Idziak: Agronomy Department, Faculty of Agronomy, Horticulture and Bioengineering, Poznań University of Life Sciences, Dojazd 11, 60-632 Poznań, Poland
Tomasz Sakowicz: Agronomy Department, Faculty of Agronomy, Horticulture and Bioengineering, Poznań University of Life Sciences, Dojazd 11, 60-632 Poznań, Poland
Hubert Waligóra: Agronomy Department, Faculty of Agronomy, Horticulture and Bioengineering, Poznań University of Life Sciences, Dojazd 11, 60-632 Poznań, Poland
Piotr Szulc: Agronomy Department, Faculty of Agronomy, Horticulture and Bioengineering, Poznań University of Life Sciences, Dojazd 11, 60-632 Poznań, Poland
Leszek Majchrzak: Agronomy Department, Faculty of Agronomy, Horticulture and Bioengineering, Poznań University of Life Sciences, Dojazd 11, 60-632 Poznań, Poland
Barbara Stachowiak: Department of Technology of Plant Origin Food, Poznan University of Life Sciences, Ul. Wojska Polskiego 31, 60-624 Poznan, Poland
Małgorzata Neumann: Agronomy Department, Faculty of Agronomy, Horticulture and Bioengineering, Poznań University of Life Sciences, Dojazd 11, 60-632 Poznań, Poland

Agriculture, 2023, vol. 14, issue 1, 1-13

Abstract: Weed control in maize is usually limited to a single herbicide treatment, but the application of two or more herbicides is associated with many benefits, e.g., increasing the spectrum of control weeds, reducing the risk of damage to crops by using reduced rates of herbicides, limiting their residues in the soil or crop, etc. This field experiment was conducted in the years 2016–2018 to determine whether the split application of soil-applied thiencarbazone-methyl + isoxaflutole and foliar-applied mesotrione + nicosulfuron + rimsulfuron, in reduced rates with adjuvants, can contribute to enhancing herbicide effectiveness and increasing maize yield. Weed control in maize in a split-dose system with a mixture of thiencarbazone-methyl + isoxaflutole at strongly reduced rates with the addition of UAN and the adjuvant Atpolan SoilMaxx or Grounded, and then mesotrione + nicosulfuron + rimsulfuron at strongly reduced rates with UAN and Atpolan SoilMaxx or Actirob 842 EC allowed for great control of weeds. The total amount of substances was slightly higher than in single treatments with adjuvants, but lower than for individual active substances, leading to a reduction in the amount of active substances reaching the environment, while maintaining very high herbicide efficacy.

Keywords: adjuvant; herbicide; split application; UAN; weed; yield (search for similar items in EconPapers)
JEL-codes: Q1 Q10 Q11 Q12 Q13 Q14 Q15 Q16 Q17 Q18 (search for similar items in EconPapers)
Date: 2023
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