The 2018 peach bloom period in New Jersey, about 10 days late this season, is now coming to a close. Shucks are splitting and detaching, exposing the newly formed fruit to the outside world for the first time. And the bacterial spot pathogen, Xanthomonas arboricola pv pruni, has been patiently waiting in the overwintering spring […]
Continue reading...May 9, 2018 Dave Schmitt
Tree Fruit IPM Report for May 9, 2018
Peach: Oriental Fruit Moth: First generation timings are updated below: OFM 1st Generation Timing Insecticide Type County/Region Degree Days by 5/9 base 45 Conventional 170-200, 350-375 Diamide 100-150, 300-350 Gloucester – Southern 230 1st – past 2nd – 5/13-14 1st – past 2nd – 5/11-13 Hunterdon – Northern 186 1st – 5/9-10 2nd – 5/19-20 […]
Continue reading...May 7, 2018 A.Wyenandt, W.Kline, and J.Ingerson-Mahar
Potato | Tomato Disease Forecast 5-8-18
Click to View | Download Report 5-8-18 Potato Disease Forecasting Report We will be tracking DSVs for Late blight development and calculating P-days for initiating the first early blight fungicide application. The first late blight fungicide application is recommended once 18 DSVs accumulate from green row. Green row typically occurs around the first week in May […]
Continue reading...May 3, 2018 A.Wyenandt, W.Kline, and J.Ingerson-Mahar
Potato | Tomato Disease Forecast 5-4-18
Click to View | Download Report 5-4-18 Potato Disease Forecasting Report We will be tracking DSVs for Late blight development and calculating P-days for initiating the first early blight fungicide application. The first late blight fungicide application is recommended once 18 DSVs accumulate from green row. Green row typically occurs around the first week in May […]
Continue reading...April 30, 2018 Kris Holmstrom and Joe Ingerson-Mahar
Veg IPM Update: Allium leaf miner 04/30/18
Allium Leaf Miner Allium leaf miner (ALM) adults (flies) were trapped on sticky cards, and moderate levels of feeding signs were discovered late last week at sites in Lawrenceville and Pennington (Mercer County). Additionally, volunteer garlic in the Chesterfield area of Burlington County was infested. As yet, no adult activity or feeding has been found at the more northern […]
Continue reading...April 27, 2018 Dave Schmitt
Tree Fruit IPM Report for April 27, 2018
Peach: Brown Rot: Blossom infections from the brown rot fungus can occur whenever pistils are exposed and a favorable climate exists. Infections can occur during any wetting period when temperatures are between 41 and 86 ° F. However optimum conditions for infection occur with wetting and temperatures in the mid 70’s. During long wetting periods […]
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