Article Dans Une Revue Pest Management Science Année : 2011

Protective and curative efficacy of prothioconazole against isolates of Mycosphaerella graminicola differing in their in vitro sensitivity to DMI fungicides

Protective and curative efficacy of prothioconazole against isolates of Mycosphaerella graminicola differing in their in vitro sensitivity to DMI fungicides.

Lynda Djerroud
  • Fonction : Auteur
Caroline Deweer
Patrice Halama
  • Fonction : Auteur
  • PersonId : 917691
  • IdRef : 077328779

Résumé

Septoria leaf blotch is the most important disease of wheat in Europe. To control this disease, fungicides of the 14α-demethylase inhibitor group (DMIs) have been widely used for more than 20 years. However, resistance towards DMIs has increased rather quickly in recent years. The objective of this study was to evaluate, on plants and under controlled conditions, the protective and curative efficacy of the DMI fungicide prothioconazole against three current isolates of M. graminicola, chosen to belong to different DMI-resistant phenotypes. Fungicide efficacy was assessed by visual symptoms and by quantitative real-time polymerase chain reaction (PCR).

Dates et versions

hal-04349981 , version 1 (18-12-2023)

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Citer

Jean Sanssené, Sameh Selim, Céline Roisin-Fichter, Lynda Djerroud, Caroline Deweer, et al.. Protective and curative efficacy of prothioconazole against isolates of Mycosphaerella graminicola differing in their in vitro sensitivity to DMI fungicides. Pest Management Science, 2011, 67 (9), pp.1134-40. ⟨10.1002/ps.2163⟩. ⟨hal-04349981⟩
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