Louis Étienne Ravaz
Louis Étienne Ravaz or Louis Ravaz was a specialist of ampelography and one of the creators of modern viticulture. In 1892, he founded the grape research station of Cognac, that he directed for several years. He was professor of viticulture at the National School of Agriculture of Montpellier. He contributed to the diffusion of the use of the American varieties in the regions affected by French blight and investigated the pathologies of the grapevine. He published several works on viticulture. With Pierre Viala, he described the causes of the black-rot disease of grapevine and founded the "Revue de viticulture".
He was the taxon author of:
- Guignardia Viala & Ravaz, Bull. Soc. mycol. Fr. 8: 63
Works
- Le "Rot" blanc ou "Coniothyrium diplodiella by G. Foëx and L. Ravaz / Montpellier : C. Coulet, 1888
- Les Vignes américaines : adaptation, culture, greffage, pépinières. with Pierre Viala