Phenology was monitored throughout the year for each generation of Rhyacionia frustrana in eastern North Carolina and Virginia. Male moths caught in pheromone-baited traps indicated that three generations occur annually in this region. Generally, the first generation adult emergence began in mid-March, the second in early June, and the third in mid-July. The mean thermal requirements to complete one R. frustrana generation was 579.8 degree-days (°C), but varied somewhat by generation and location. A simple spray technique is reviewed and new data are presented to predict spray dates using trap catch data and degree-day summations. South. J. Appl. For. 23(1):30-38.
Document Type: Journal Article
Department of Entomology, College of Agriculture and Environmental Sciences, The University of Georgia, Athens, GA 30602
Publication date: February 1, 1999
More about this publication?
Each regional journal of applied forestry focuses on research, practice, and techniques targeted to foresters and allied professionals in specific regions of the United States and Canada. The Southern Journal of Applied Forestry covers an area from Virginia and Kentucky south to as far west as Oklahoma and east Texas.