Other Plant Disease — Australia
Fran Lopez-Ruiz, Centre for Crop and Disease Management (CCDM), said there had been samples of net form of net blotch (NFNB) coming in from South Australia’s Yorke Peninsula with dual resistance against 2 of the most common modes of action in fungicide, the succinate dehydrogenase inhibitor (SDHI)-based products as well as some demethylation inhibitor (DMI) fungicides.
Testing found the strain of NFNB had mutated for resistance. The samples, collected from 2 paddocks a short distance apart,
…
