By The Old House Web


Aphids suck plant juices and can be controlled with sprays of Sevin, malathion or rotenone. Acephate may be used on staghorn sumac for aphids. The insects can also be dislodged with a high pressure water spray from the garden hose.

Scales are controlled with dormant oil applied in the spring before plants begin to grow. Sprays of Sevin control crawlers. acephate controls crawlers on staghorn sumac. The preferred method of control involves regular inspection for early detection of the infestation then spraying with dormant oil.

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