Meeting 3
Date: 13 April 2021
Title: Alternaria subgroup meeting
Responsible: Hans Hausladen, Isaac K. Abuley, Erland Liljeroth, Peter Vanhaverbeke
Discussion points: Research results on EB (DSS, field trials), fungicide resistance monitoring, cultivar resistance / breeding goals, EB control without Mancozeb, Coordinated activities in 2021, including field experimental work
Contact: Hans hausladen, TUM – Gewächshauslaborzentrum Dürnast
Programme
Part I 13:00 – 14:45
Moderator: Pieter Vanhaverbeke
Opening / Jens G. Hansen
Introduction / Hans Hausladen
Presentations (Group, 8 min. max)
Optimizing treatment strategies against early blight in starch potato / Erland Liljeroth, SLU
The status of SDHI resistance in Alternaria solani isolates in Denmark / Isaac Kwesi Abuley, Aarhus University
Update on resistance monitoring and SDHI cross resistance pattern of Alternaria solani / Juergen Derpmann, Bayer AG, Crop Science Division
Discussion 10 min
Influence of leaf moisture duration on a successful infection of potato plants with Alternaria solani / Metz, Nicole; Reinl, Alexander; Hausladen, Hans, TUM
Aligning field trial results with disease models for an IPM-oriented approach of Early Blight in Flanders / Pieter Vanhaverbeke, PCA
Discussion 10 min
Part II 15 – 16:30
Fungicide strategy without Mancoceb beyond 2021
Phenotyping of A. solani isolates – standard protocol
Field trial 2022 in different European countries: proposal
Mapping of genotypic data