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Pear-blight. Pot experiments in control of pear blight by fertilizers and chemicals. Tow of the six trees shown were inoculated and blighted. Dept. grounds, Washington, September, 1894.

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Citation

Unknown. “Pear-blight. Pot experiments in control of pear blight by fertilizers and chemicals. Tow of the six trees shown were inoculated and blighted. Dept. grounds, Washington, September, 1894..” Special Collections, USDA National Agricultural Library. Accessed December 1, 2024, https://www.nal.usda.gov/exhibits/speccoll/items/show/279.