Rutgers Cooperative Extension
It was brought to my attention this morning that many landscapers and plant professionals are concerned by a reddening and spotting discoloration condition on Photinia foliage. Most often this is caused by the fungal pathogen Entomosporium maculatum, a widespread and destructive foliar disease of woody ornamentals in the rose family (including Photinia, Indian Hawthorn, Loquat, flowering […]
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Peach: Oriental Fruit Moth: We are between generations 1 and 2, with the first insecticide applications having been just applied in southern counties, and in northern counties due by the weekend. The second application will be due the following week. See timings below:
Continue reading...The webinar for Ag Employers regarding Understanding & Implementing NJ’s COVID-19 Guidance For Migrant & Seasonal Farmworkers, Employers & Housing Providers* held on Tue June 16, 2020 has been posted on the Rutgers NJAES On-Farm Food Safety team’s YouTube page. Click here for the video! All NJ agricultural employers are invited to learn directly […]
Continue reading...By Peter Oudemans June 4-6 and June 12 showed some significant downy mildew infection periods and we are now beginning to see the effects. Since berries are susceptible until about a month after capfall this is something we need to be concerned about. The question is how to handle this now? Rules: Hitting the target: […]
Continue reading...There are consistently high infection potentials this week for boxwood blight. Protective fungicide applications should remain in effect or be initiated immediately. Boxwood Blight Risk Model Date Upper Deerfield (NJ50) Howell (NJ10) Pequest (NJ58) 6/20/20 S Low risk Very low risk Infection potential 6/21/20 Sun Low risk Infection potential Infection potential 6/22/20 M Infection potential […]
Continue reading...Based on our degree-day (DD) model for Sparganothis fruitworm, flight initiation and first eggs laid events are expected at around 596 and 681 DD, respectively (see chart). As of June 18, Sparganothis has accumulated 661 DD (using April 15 as biofix; a biofix more realistic to New Jersey practices). Based on the April 15 biofix, […]
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