SUMMER INDUCED CHLOROSIS

August 3, 2009

It's that time of year again when summer induced chlorosis begins to show up on lawns, golf courses, and sports fields. I have already had a few calls on this problem. Summer induced chlorosis is a yellowing of the turf that occurs as temperatures rise in midsummer. We normally see it in late July and into August. This year has been a little cooler than normal, but the few warm days that we have had are triggering the problem in some areas.

David DeVetter, a graduate student at ISU, completed a masters project on this in 2007. Here is the link to the article.

Nick Christians

http://www.hort.iastate.edu/turfgrass/pubs/turfrpt/2008/PDFfiles/GCMdealingsummer.pdf

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Nick Christians Professor

Nick Christians, Ph.D. – University professor of turfgrass management, Iowa State University, Department of Horticulture, Ames, IA, and adjunct faculty, Department of Agronomy, Iowa State University, Ames, IA. Dr. Christians received his B.S. from the Colorado State University ...