Untreated almond tree in California defoliated by Cercospora, 1892.

Image (illustration or photograph) for this item, linking to higher res image.

Citation

Unknown. “Untreated almond tree in California defoliated by Cercospora, 1892..” Special Collections, USDA National Agricultural Library. Accessed October 4, 2022, https://www.nal.usda.gov/exhibits/speccoll/items/show/252.