Charles Valentine Riley
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Charles Valentine Riley was a British-born American entomologist and artist. He was one of the first individuals to use biological pest control and authored over 2,400 publications. He convinced Congr
Charles Valentine Riley 1
Drawing by Charles Valentine Riley
Jules Émile Planchon
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Jules Émile Planchon was a French botanist born in Ganges, Hérault. He was a brother of Gustave Planchon who also studied medicinal plants.
Charles Valentine Riley
…for spraying purposes. He was among the first to notice that the American grapes, Vitis labrusca were resistant to grape Phylloxera. His work with J. E. Planchon led to the use of grafting French grape on V. labrusca root stock. This effort helped save the French wine industry and for his efforts, Riley received…
Jules Émile Planchon