Nancy Gregory, Plant Diagnostician; ngregory@udel.edu and Nathan Kleczewski, Extension Specialist – Plant Pathology; nkleczew@udel.edu Average monthly temperatures in Fahrenheit at Georgetown, DE, Research and Education Ctr. 2005-2014 2013- 14 2012- 13 2011- 12 2010- 11 2009- 10 2008- 09 2007-… Continue Reading
Nancy Gregory, Plant Diagnostician; ngregory@udel.edu Average monthly temperatures in Fahrenheit at Georgetown, DE, Research and Education Center. 2003-13 2012-13 2011-2012 2010-2011 2009-2010 2008-2009 2007-2008 2006-2007 2005-2006 2004-2005 2003-2004 December 40.1 43.2 31.3 37.9 41.8 39.7 43.5 36.2 38.9 38.6… Continue Reading
Bob Mulrooney, Extension Plant Pathologist; bobmul@udel.edu The Stewart’s wilt prediction for 2012, as you can imagine with a very mild winter, is severe for all three counties in Delaware. We have not had such a mild December, January and February… Continue Reading
Bob Mulrooney, Extension Plant Pathologist; bobmul@udel.edu Severity Index: < 90, usually absent; 90-100, intermediate; >100, usually severe. The index is used to predict overwintering flea beetle populations that vector the Stewart’s wilt bacterium, Pantoea stewartii. Prediction for 2011 Georgetown: 101.9 = Severe Avg. monthly… Continue Reading
Bob Mulrooney, Extension Plant Pathologist; bobmul@udel.edu Prediction for 2010 Georgetown: 101.7 = Severe – Avg. monthly temp (Dec, Jan, Feb) = 33.9 °F Newark: 97.5 = Intermediate – Avg. monthly temp = 32.5 °F Control Strategies For processing and fresh… Continue Reading
