验证耐寒冬大麦品种在爱尔兰防治大麦黄矮病毒病（BYDV）的有效性.pdf

1、Validating the use of tolerant winter barley varieties to manage BYDV in Ireland Jack PerryTeagasc Oak ParkLouise McNamaraTeagasc Oak ParkNational Tillage Conference 2026Wednesday,29th January|Lyrath Hotel,Kilkennywww.teagasc.ie/tillagecon26 Barley Yellow Dwarf Virus(BYDV)in Ireland2 BYDV is transmi

2、tted by aphids 3 BYDV species present in Ireland Tolerant winter barley cultivars need to be tested in Ireland Understudied for BYDV-MAVReduced BYDV Transmission to Tolerant cultivars 3Tolerant Cultivars Still Get BYDV Symptoms4Susceptible Cultivars Have Higher Yield PenaltyTake home message6 Proven

3、 reduction in BYDV transmission efficiency in tolerant cultivars Tolerant cultivars maintain high yields despite visible BYDV symptoms Tolerant varieties show reduced yield penalty when left without an insecticide New resistance genes showing promise in current field trialsTeagasc Presentation Footer7AcknowledgementsTeagascDr Louise McNamaraDr Stephen ByrneGerry NolanLiam SheppardHarper Adams UniversityDr Joe RobertsDr Tom Pope