Plant & Pest Advisory

July 29, 2015 Kris Holmstrom and Joe Ingerson-Mahar

Veg IPM Update: Week Ending 7/29/15

Sweet Corn European corn borer (ECB) adult activity is stable, with low level activity in parts of the state now. This is the beginning of the second adult flight. Areas of highest activity are still along the Delaware Bay Shore and in central Morris County (see ECB map), but areas between should fill in over […]

Filed Under: Vegetable Crops

July 29, 2015 Norman Lalancette

Brown Rot Management in a Wet Growing Season: Part III

Brown rot of peach and nectarine fruit results from the interaction of many different factors. In Part I of this series, we discussed the various sources of inoculum and their importance for disease development (see July 21 posting). In Part II, we examined the many facets of spray application technology and

Filed Under: Tree Fruit

July 27, 2015 A.Wyenandt, W.Kline, and J.Ingerson-Mahar

Potato | Tomato Disease Forecast 7-28-15

Click to View | Download Report 7-28-15 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 […]

Filed Under: Disease Forecasting

July 24, 2015 Norman Lalancette

Brown Rot Management in a Wet Growing Season: Part II

In part I of this article series, we discussed the sources of inoculum for fruit infection by the brown rot pathogen, Monilinia fructicola (see July 21, 2015 article). Although measures to reduce the inoculum from these sources were presented, these cultural controls alone only provide partial control. They are to be used in conjunction with […]

Filed Under: Fruit, Tree Fruit

July 23, 2015 A.Wyenandt, W.Kline, and J.Ingerson-Mahar

Potato | Tomato Disease Forecast 7-24-15

Click to View | Download Report 7-24-15 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 […]

Filed Under: Disease Forecasting

July 23, 2015 Dean Polk

Fruit IPM Report 7-22-2015

Peach Oriental Fruit Moth (OFM): While overall pest pressure in peaches is very low for oriental fruit moth, we are at the proper time to treat if your farm has trap captures above 6 males per trap. Timing for third brood OFM applications are as follows: OFM 3nd Generation Timing Insecticide Type County/Region Degree Days […]

Filed Under: Blueberry, Fruit, Tree Fruit, Wine Grape