Leaves affected by Septoria© David Jones
Wheat growers may need an extra fungicide spray to keep septoria at bay because of the declining efficacy of some fungicides, with the added benefit of increasing grain yields by more than 1t/ha. When growing susceptible varieties in a high disease-risk situation, growers should consider a T1.5 spray to protect leaf two from wheat’s most damaging disease, one expert suggests. As azole and SDHI fungicides are losing their curative kick-back activity when applied at the later T2 flag leaf timing, […]