Plant & Pest Advisory

June 26, 2018 Dean Polk, Dave Schmitt, Atanas Atanassov, Carrie Denson

Fruit IPM for 6/26/18

Peach: Oriental Fruit Moth (OFM): Second generation adults are flying in southern and northern counties. Degree day spray timing predictions are updated since last week and are shown below. The second brood often causes the most damage on peaches, since larvae can enter both growing tips and young fruit. Particular attention should be paid to […]

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

June 25, 2018 A.Wyenandt, W.Kline, and J.Ingerson-Mahar

Potato | Tomato Disease Forecast 6-26-18

Click to View | Download Report 6-26-18 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 […]

Filed Under: Disease Forecasting Tagged With: potato, tomato

June 21, 2018 A.Wyenandt, W.Kline, and J.Ingerson-Mahar

Potato | Tomato Disease Forecast 6-22-18

Click to View | Download Report 6-22-18 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 […]

Filed Under: Disease Forecasting Tagged With: potato, tomato

June 21, 2018 Kris Holmstrom and Joe Ingerson-Mahar

IPM Update 6/20/18

Sweet Corn European corn borer (ECB) moth catches in black light traps are very low. The highest activity now in north central areas (see ECB map). Feeding continues to increase, although infestations are spotty.

Filed Under: Organic Production, Vegetable Crops

June 21, 2018 Cesar Rodriguez-Saona

Sparganothis Fruitworm Degree-Day Update: as of June 21, 2018

Based on our degree-day (DD) model for Sparganothis fruitworm, peak flight is expected at around 884 DD and first eggs hatched expected at 895 DD (see chart). As of June 21, Sparganothis has accumulated 951 DD (using April 15 as biofix). This indicates that we have passed peak flight and eggs have just started to […]

Filed Under: Cranberry, Fruit

June 20, 2018 Dean Polk, Dave Schmitt, Atanas Atanassov, Carrie Denson

Fruit IPM For June 20, 2018

Special Spotted Wing Drosophila Alert: SWD on All Small Fruit and Cherries: ANY GROWER with caneberries, strawberries, blueberries, other smooth thin skinned small fruit, and cherries, should be on an SWD program. Adults are laying eggs and internal larvae have already been seen in non-treated plantings and reported by growers in northern counties.

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