6-24-14 Tomato Report – Click to Download Disease severity values (DSVs) for early blight, septoria leaf spot, and tomato anthracnose development are determined daily based on leaf wetness (due to rainfall, dew) and air temperature. On a daily basis DSV values can range from 0 to 4 where 0 = no chance for disease development […]
Continue reading...June 23, 2014 Richard Buckley
Rusty, but never Crusty
Last week I had the pleasure of attending New Jersey Christmas Tree Growers’ Association Annual Twilight Meeting at Black Oak Farm in Asbury, New Jersey.
Continue reading...June 23, 2014 Jason Grabosky
Practical Management Responses to Emerald Ash Borer in NJ
The announcement that the invasive pest Emerald Ash Borer (EAB) is present in NJ will lead to many discussions between professionals and concerned clients on what to do about their ash trees. EAB represents a broad threat – it attacks all true ash (Fraxinus) species. In the U.S., trees die within a few years without […]
Continue reading...June 22, 2014 Steven K. Rettke
Black Vine Weevil Best Treatment Window Nearing End in NJ
Many landscape & nursery managers consistently state that attempting to manage the black vine weevil insect (Otiorhynchus subcatus) as one of the most problematic pests they encounter. These leaf notching weevils feed on many kinds of ornamental plants including yews, rhododendrons, azaleas, laurels, leucothoe, forsythia, euonymus, hollies, viburnum, most deciduous and evergreen shrubs, ground covers […]
Continue reading...June 22, 2014 Andy Wyenandt
Late Blight Reported in Potato on Long Island
Late blight has been reported on potato on Long Island. This is the first report of late blight in the region to date. Potato and tomato growers should scout their fields on a regular, if not, daily basis and initiate their regular preventative fungicide programs if not already done so.
Continue reading...June 21, 2014 Andy Wyenandt
Vegetable Disease of the Week – 6/21/14
Downy mildew sporulating on the bottom side of an infected collard leaf. Note the white spore masses.
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