Management of Rust in Wheat Using IPM Principles and Alternative Products

Lise Nistrup Jørgensen (), Niels Matzen, Rebekka Leitzke, Jane E. Thomas, Aoife O’Driscoll, Bettina Klocke, Claude Maumene, Ida Lindell, Kerstin Wahlquist, Līga Zemeca, Marcos Barberena Apesteguia, Biango Randazzo, Svetlana Slikova and Sarah Holdgate
Additional contact information
Lise Nistrup Jørgensen: Department of Agroecology, Aarhus University, Flakkebjerg, DK-4200 Slagelse, Denmark
Niels Matzen: Department of Agroecology, Aarhus University, Flakkebjerg, DK-4200 Slagelse, Denmark
Rebekka Leitzke: Department of Agroecology, Aarhus University, Flakkebjerg, DK-4200 Slagelse, Denmark
Jane E. Thomas: National Institute of Agricultural Botany, Cambridge CB3 0LE, UK
Aoife O’Driscoll: National Institute of Agricultural Botany, Cambridge CB3 0LE, UK
Bettina Klocke: Julius Kühn Institute, 14532 Kleinmachnow, Germany
Claude Maumene: Arvalis Institut du Végétal, 91720 Boigneville, France
Ida Lindell: HIR Skåne, 237 91 Bjärred, Sweden
Kerstin Wahlquist: HIR Skåne, 237 91 Bjärred, Sweden
Līga Zemeca: Institute for Plant Protection Research, Latvia University of Life Sciences and Technologies, LV-3001 Jelgava, Latvia
Marcos Barberena Apesteguia: The Institute for Agrifood Technology and Infrastructures, 31610 Villava, Spain
Biango Randazzo: Associazione Agricola Randazzo, 66100 Chieti, Italy
Svetlana Slikova: Narodne Pol’Nohospodarske a Potravinaske Centrum, 951 41 Lužianky, Slovakia
Sarah Holdgate: Syngenta, Cambridge C B21 5XE, UK

Agriculture, 2024, vol. 14, issue 6, 1-19

Abstract: Overall, there is a major wish that European farmers implement integrated pest management (IPM), particularly to reduce dependence on pesticides. In the European Rustwatch project, partners conducted nineteen trials across nine different countries during 2020 and 2021 to investigate different IPM strategies, focusing on controlling rust diseases in winter wheat. The trials included the use of varieties with contrasting levels of resistance, variety mixtures, reduced fungicide rates, thresholds, and Decision Support Systems (DSSs), and testing alternative products to fungicides. Sixteen trials developed yellow rust ( Puccinia striiformis f. sp. tritici) infections, and six trials developed brown rust ( Puccinia triticina ) infections. Resistant varieties proved highly effective in keeping down yellow rust infection, and variety mixtures also effectively reduced infection levels and stabilized yields. Rust was fully controlled using 25% of standard fungicide rates, even under high disease pressure. Using DSSs provided sufficient control of rust diseases and resulted in competitive net economic returns due to fewer fungicide applications. The alternative products tested included two biological control agents and four alternative chemistries, which all gave inferior and insufficient control against rust compared with chemical fungicides. The trial work demonstrated that there are good and reliable options for including IPM into disease control in wheat.

Keywords: Puccinia striiformis; Puccinia triticina; decision support systems; variety mixtures; fungicides; biological control agents (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: 2024
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