Herms, D. 2004. Using degree days & plant phenology to predict pest emergence.
Excellent primer on using growing degree days, complete with GDD for various insects.
In: V. Krischik and J. Davidson, eds. IPM of Midwest Landscapes, pp. 49-59. Minnesota Agricultural Experiment Station Publication 58-07645, 316 pp.
Herms 2004 Using Degree Days & Plant Phenology to predict pest emergence.pdf — PDF document, 916 kB (939006 bytes)