دورية أكاديمية

Shifting sensitivity of septoria tritici blotch compromises field performance and yield of main fungicides in Europe.

التفاصيل البيبلوغرافية
العنوان: Shifting sensitivity of septoria tritici blotch compromises field performance and yield of main fungicides in Europe.
المؤلفون: Jørgensen LN; Department of Agroecology, Aarhus University, Slagelse, Denmark., Matzen N; Department of Agroecology, Aarhus University, Slagelse, Denmark., Heick TM; Department of Agroecology, Aarhus University, Slagelse, Denmark., O'Driscoll A; NIAB, Cambridge, United Kingdom., Clark B; NIAB, Cambridge, United Kingdom., Waite K; NIAB, Cambridge, United Kingdom., Blake J; ADAS Rosemaund, Hereford, United Kingdom., Glazek M; Institute of Plant Protection, Sosnicowice, Poland., Maumene C; Arvalis Institut du végétal, Station Expérimentale, Boigneville, France., Couleaud G; Arvalis Institut du végétal, Station Expérimentale, Boigneville, France., Rodemann B; JKI, Braunschweig, Germany., Weigand S; Institut für Pflanzenschutz, Bayerische Landesanstalt für Landwirtschaft, Freising-Weihenstephan, Germany., Bataille C; CRA-W, Plant and Forest Health Unit, Gembloux, Belgium., R B; Institute of Plant Protection, Department of Integrated Plant Protection, Hungarian University of Agriculture and Life Sciences (MATE), Gödöllő, Hungary., Hellin P; CRA-W, Plant and Forest Health Unit, Gembloux, Belgium., Kildea S; Teagasc, Carlow, Ireland., Stammler G; BASF Limburgerhof, Limburgerhof, Germany.
المصدر: Frontiers in plant science [Front Plant Sci] 2022 Nov 22; Vol. 13, pp. 1060428. Date of Electronic Publication: 2022 Nov 22 (Print Publication: 2022).
نوع المنشور: Journal Article
اللغة: English
بيانات الدورية: Publisher: Frontiers Research Foundation Country of Publication: Switzerland NLM ID: 101568200 Publication Model: eCollection Cited Medium: Print ISSN: 1664-462X (Print) Linking ISSN: 1664462X NLM ISO Abbreviation: Front Plant Sci Subsets: PubMed not MEDLINE
أسماء مطبوعة: Original Publication: Lausanne : Frontiers Research Foundation, 2010-
مستخلص: Septoria tritici blotch (STB; Zymoseptoria tritici ) is a severe leaf disease on wheat in Northern Europe. Fungicide resistance in the populations of Z. tritici is increasingly challenging future control options. Twenty-five field trials were carried out in nine countries across Europe from 2019 to 2021 to investigate the efficacy of specific DMI and SDHI fungicides against STB. During the test period, two single DMIs (prothioconazole and mefentrifluconazole) and four different SDHIs (fluxapyroxad, bixafen, benzovindiflupyr and fluopyram) along with different co-formulations of DMIs and SDHIs applied at flag leaf emergence were tested. Across all countries, significant differences in azole performances against STB were seen; prothioconazole was outperformed in all countries by mefentrifluconazole. The effects also varied substantially between the SDHIs, with fluxapyroxad providing the best efficacy overall, while the performance of fluopyram was inferior to other SDHIs. In Ireland and the UK, the efficacy of SDHIs was significantly lower compared with results from continental Europe. This reduction in performances from both DMIs and SDHIs was reflected in yield responses and also linked to decreased sensitivity of Z. tritici isolates measured as EC 50 values. A clear and significant gradient in EC 50 values was seen across Europe. The lower sensitivity to SDHIs in Ireland and the UK was coincident with the prevalence of SDH-C-alterations T79N, N86S, and sporadically of H152R. The isolates' sensitivity to SDHIs showed a clear cross-resistance between fluxapyroxad, bixafen, benzovindiflupyr and fluopyram, although the links with the latter were less apparent. Co-formulations of DMIs + SDHIs performed well in all trials conducted in 2021. Only minor differences were seen between fluxapyroxad + mefentrifluconazole and bixafen + fluopyram + prothioconazole; the combination of benzovindiflupyr + prothioconazole gave an inferior performance at some sites. Fenpicoxamid performed in line with the most effective co-formulations. This investigation shows a clear link between reduced field efficacy by solo SDHIs as a result of increasing problems with sensitivity shifting and the selection of several SDH-C mutations. The presented data stress the need to practice anti-resistance strategies to delay further erosion of fungicide efficacy.
Competing Interests: GS was employed by company BASF. JB was employed by company ADAS. The remaining authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest. Although BASF funded this project, their primary role has been to assist in analysing specific target site alterations and provide the tested chemicals. The products included in the testing represent key fungicide actives and co-formulations belonging to both BASF and their competitors. BASF did not influence the experimental design, selection of locations, or computation and presentation of data.
(Copyright © 2022 Jørgensen, Matzen, Heick, O’Driscoll, Clark, Waite, Blake, Glazek, Maumene, Couleaud, Rodemann, Weigand, Bataille, R, Hellin, Kildea and Stammler.)
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فهرسة مساهمة: Keywords: 14α-demethylase; SDHI fungicides; Zymoseptoria tritici; cross-resistance; fenpicoxamid; yield response
تواريخ الأحداث: Date Created: 20221209 Latest Revision: 20221210
رمز التحديث: 20240628
مُعرف محوري في PubMed: PMC9723467
DOI: 10.3389/fpls.2022.1060428
PMID: 36483948
قاعدة البيانات: MEDLINE
الوصف
تدمد:1664-462X
DOI:10.3389/fpls.2022.1060428