Experiments on Control of Empoasca Fabae Harris on Young Apple Trees

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Bordeaux mixture and some contact insecticides were tested to determine their efficiency in controlling the nymphs of Empoasca Fabae Harris on apple nursery stock. Nicotine sulfate, when mixed with soap or dry-mix, was effective in killing the nymphs. Bordeaux mixture, when used at the rate of 2-2-50 or stronger, resulted in a high degree of control.

Document Type: Research Article

Publication date: June 1, 1932

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