Late blight has been confirmed in two commercial potatoes field in Salem County. These are the first reports of late blight on potato in the state. Late blight was found in an organic tomato field in Mercer County last week. All commercial and organic tomato and potato growers in NJ should now consider late blight a significant […]
Continue reading...July 1, 2013 Steven K. Rettke
Cool Season Mites Fade, As Warm Season Mites Surge
As would be predicted, observations during the past few weeks within nurseries located in central & southern NJ have shown reduced activities of both the spruce spider mites & southern red spider mites. These common cool season mite pests feed predominately on conifers & broadleaf evergreens, respectfully. During the hot summer months, both of these spider mite species enter into a dormant stage. Alternatively, the […]
Continue reading...BMSB Insecticide Options – Revised
We have developed a table outlining the recommended insecticides for BMSB and their use restrictions to aide growers in making management decisions. Please note that the table has been revised since its original publication.
Continue reading...July 1, 2013 Richard Buckley
The Last Word in Leaf Spots
Oh no! Not more leaf spot posts! This is the last one for now, I promise. First thing first, we had a nice sample from a perennial ryegrass baseball field that was submitted for dollar spot diagnosis, which it had, but it was also covered with leaf lesions caused by the fungus Bipolaris sorokiniana. Sabrina […]
Continue reading...July 1, 2013 Andy Wyenandt
Late blight found on potato in Delaware
Late blight was found in commercial potato field near Leipsic, DE today. The wet weather forecasted for most of this week looks favorable for potential late blight development in New Jersey. Growers should continue to scout their fields on a regular basis and apply weekly protectant fungides whenever they can get into the field. To date, there has been one reported […]
Continue reading...June 28, 2013 Cesar Rodriguez-Saona
Marucci Research in Cranberry: Insecticide Trials Against Blunt-nosed Leafhoppers
Recently we conducted an experiment to test the efficacy of a newly-registered insecticide (Closer SC) in cranberries against blunt-nosed leafhopper nymphs. Closer (Dow Agrosciences) is an insecticide for the control of sap-feeding insects, including leafhoppers, aphids, and whiteflies. It has both systemic and translaminar activity, belongs to a new class of insecticides (the sulfoximines), and […]
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