Cole crops Spinach Strawberry Cole crops Downy Mildew and Alternaria – Symptoms of downy mildew include purple to yellowish-brown spots on upper leaf surfaces. A grayish-white spore mass will develop and cover the underside of leaves under ideal temperatures (night temperatures of 46 to 61°F and day temperatures below 75°F. Downy mildew can kill young […]
Continue reading...April 26, 2013 Administrator
A Few Reminders About Lumax and Lexar Herbicides
By Mark VanGessel, Extension Weed Specialist; mjv@udel.edu The formulations of Lumax and Lexar have been changed to Lumax EZ and Lexar EZ. Both products still contain mesotrione, atrazine, and s-metolachlor; and in the same ratios as the old formulations. The concentration of Lexar remained the same and the use rates are the same for the […]
Continue reading...April 26, 2013 Ann Gould
April showers bring May….diseases?
Although the weather this weekend promises to be lovely, recent rains and the likelihood of more to come is ideal for the development of foliar diseases in the landscape. The most common diseases on trees and shrubs affect the foliage as spots, blotches, and blisters. Although unsightly, most foliar diseases do not greatly impact the […]
Continue reading...April 26, 2013 Dave Schmitt
Oriental Fruit Moth Update
In southern counties we have accumulated approximately 102 DD base 45 since the biofix set on 4/16. Based on the current forecast, insecticides for OFM control should be applied in 7-10 days. In northern counties, only 14 DD have accumulated since the biofix set on 4/22 so no applications for OFM will be needed for […]
Continue reading...April 24, 2013 Dean Polk, Dave Schmitt, and Atanas Atanassov
Fruit IPM Report for the Week Ending 4/20/2013
April 24, 2013 Wes Kline and Meredith Melendez
FDA Food Safety Q&A: Biological Soil Amendments
The third FDA Proposed Produce Food Safety Rule Q & A conference call, coordinated by the Produce Safety Alliance, was held on Monday. This conference call focused on soil amendment use in the proposed rule. Details on soil amendments in the proposed rule can be found in Section F Biological Soil Amendments. The FDA officially […]
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