Browsing by Author "Hull, Cathy"
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- Aphids in Virginia Small Grains: Life Cycles, Damage and ControlHerbert, D. Ames Jr.; Hull, Cathy; Youngman, Roger R.; Day, Eric R. (Virginia Cooperative Extension, 2005-09-01)Describes life cycle of four species of aphid and damage on small grain crops in Virginia. Discusses prediction of aphid population outbreaks and methods of sampling plants for aphids. Also discusses aphid predators and parasites.
- Corn Earworm Biology and Management in SoybeansHerbert, D. Ames Jr.; Hull, Cathy; Day, Eric R. (Virginia Cooperative Extension, 2009-05-01)Describes life cycle of Corn Earworm (Helicoverpa zea) and its damage to soybeans; compares the caterpillars of this species to those of other common species; describes damage, and soybean plant responses to injury; discusses management methods.
- Corn Earworm Biology and Management in SoybeansHerbert, D. Ames Jr.; Hull, Cathy; Day, Eric R. (Virginia Cooperative Extension, 2020)This publication provides current information on corn earworm biology, prediction of outbreaks, pest advisories, scouting procedures, and recently revised economic thresholds