Rutgers Cooperative Extension
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...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.
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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...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 […]
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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 […]
Continue reading...As we approach the end of bloom, growers should consider the need for any post-bloom applications. The main pest targets for these applications are mainly Sparganothis fruitworm and spotted fireworm.
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