New gray leaf spot ratings available

Gray leaf spot severity ratings from the 1998 Iowa Crop Performance Test are now available at http://www.agron.iastate.edu/icia/YieldTesting3.html

Gray leaf spot severity ratings from the 1998 Iowa Crop Performance Test are now available at http://www.agron.iastate.edu/icia/YieldTesting3.html

Gray leaf spot symptoms.

The ratings include data from seven locations for all hybrids entered in districts 5, 6, and 7, covering southern and east central Iowa. Two- and 3-year averages are included for those hybrids that have been entered since 1997 or 1998. The results will be available in printed form, as Pm-660-GLS, in early February. Gray leaf spot results should be used in conjunction with yield data from the Crop Performance Test to make the best choices for hybrids where gray leaf spot occurs. The data also can be accessed through the ISU Plant Pathology Home page at http://www.plantpath.iastate.edu

The ratings include data from seven locations for all hybrids entered in districts 5, 6, and 7, covering southern and east central Iowa. Two- and 3-year averages are included for those hybrids that have been entered since 1997 or 1998. The results will be available in printed form, as Pm-660-GLS, in early February. Gray leaf spot results should be used in conjunction with yield data from the Crop Performance Test to make the best choices for hybrids where gray leaf spot occurs. The data also can be accessed through the ISU Plant Pathology Home page at http://www.plantpath.iastate.edu

This article originally appeared on page 1 of the IC-484 (1) -- January 31, 2000 issue.

Updated 01/30/2000 - 1:00pm