The relation of woolly apple aphis to perennial canker infection with other notes on the disease

著者

    • Childs, Leroy

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The relation of woolly apple aphis to perennial canker infection with other notes on the disease

[by Leroy Childs]

(Station bulletin / Oregon Agricultural College Experiment Station, 243)

Agricultural Experiment Station, Oregon State Agricultural College, 1929

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  • Station bulletin

    Oregon Agricultural College Experiment Station

    Oregon Agricultural College

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