Novel synergistic fungicidal mixtures of oxathiapiprolin protect sunflower seeds from downy mildew caused by Plasmopara halstedii - Fig 2

Cystospore germination of Plasmopara halstedii in: A- water. B- in Plenaries of 0.0001 ppm ai. Note the empty sporangia and germinating cystospores in A and empty sporangia and disintegrated cystospores in B.