Tag Archive for PRO/PL> Ramularia leaf spot, barley – Germany: (southern) new strains

PRO/PL> Ramularia leaf spot, barley – Germany: (southern) new strains

Other Plant Disease -- GermanyThe barley disease ramularia is potentially resistant to 3 key fungicide groups according to recent findings. Testing in southern Germany by Bayer has confirmed 2 new mutations [with] effect on SDHI and azole fungicides. Resistance to strobilurins has previously been confirmed.The mutation in the target site for azoles has been found to severely affect the performance of all actives in this group. The SDHI mutation has led to full resistance to all members of that group. Read more [...]