研讨会.pdf

1、Disease control decisions for 2026National Tillage Conference 2026Wednesday,28th January|Lyrath Hotel,Kilkennywww.teagasc.ie/tillagecon26 Steven KildeaTeagasc Oak ParkWheat disease control strategies for 2026 What has changedWinterGS30Leaf 3Leaf 1FloweringDiseasesSeptoriaRustSeptoriaRustStem Disease

2、sSeptoriaRustFusariumSeptoriaLow Disease Pressure(Multisite)(Strob orazole)Azole/SDHI&Multisite Azole/(QiI or SDHI)&MultisiteAzole mix+/-MultisiteHigh Disease Pressure(Multisite)(Strob/azole)Azole/(QiI*or SDHI)&MultisiteAzole/(QiI*or SDHI)&MultisiteAzole mix+/-Multisite*Only a single application per

3、mitted per cropApril 2025Ciaran CollinsCiaran CollinsCiaran CollinsBreakdown in Yr15 resistance gene a key source of resistanceBackweston DAFM RL Untreated 13.06.2025ChampionGrahamFitzroyWheat seed availability Autumn 2025Majority of winter wheat varieties now Yellow Rust susceptible024681012Untreat

4、edSulphurFolpetProlineRevystar XLAscra XproImtrexUnivoqElatus EraProsaroFezanComet%Yellow Rust Folpet&Sulphur will not provide YR control Other fungicides will provide control where infections are low If Yellow Rust active,azoles/QoIs will be requiredVariety:KWS DawsumLocation:Oak ParkInfection:Low

5、at GS39Important to prevent Yellow Rust from getting establishedEssential to monitor crops and react to what is presentLeaf 3STB based programme(containing Yellow Rust activity)Early SpringPre-stem ExtensionSusceptible VarietyYellow Rust PresentAzole&QoIAzole/MultisiteNo Yellow RustQoI/MultisiteAzol

6、e/MultisiteModerately Resistant VarietyYellow Rust PresentQoI/MultisiteNo Yellow Rust(T0)Teagasc Crop Report Wheat fungicide Star Rating 2026SeptoriaUnivoqRevystar XLAscra XproImtrexElatus EraProthioconazoleTebuconazoleFolpetSulphur(Thiopron)PyraclostrobinProsaro 020406080100SeptoriaUnivoqRevystar X