Dt. De Labrouhe, The new nomenclature of Plasmopara halstedii, which causes mildew in sunflowers, applied to French types, OCL-OL CORP, 6(3), 1999, pp. 219-221
The new international nomenclature used to name the races of Plasmopara hal
stedii, agent of the downy mildew of the sunflower, applied to the French r
aces makes it possible to reappoint them in the following way : Race 1 = Ra
ce 100, Race A = Race 710, Race B = Race 703, Race C = Race 700 and Race D
= Race 300.