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Article: Ask the expert.(Technology)
- Article from:
- Landscape Management
- Article date:
- March 1, 2004
- Author:
CopyrightCOPYRIGHT 2004 Questex Media Group, Inc. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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Scale back
How do you control scale on pachysandra? Affected plants are yellowing, and some plants are thinning out in isolated places. Scales are mostly whitish in color; some are brownish. Scale growth is heavy, and plants are doing poorly. We think that the problem is increasing rapidly. What do we use for control? When is the best time to treat?
--IL
Based on your field observation, the problem is most likely related to euonymus scale. Euonymus scale is an armored scale with a hard cover called testa over the female body or on the egg mass. It occurs on hosts such as euonymus, camellia, English ivy, hibiscus and bittersweet. These sucking ...