Plant & Pest Advisory

September 12, 2018 Kris Holmstrom and Joe Ingerson-Mahar

IPM Update 09/12/18

Sweet Corn European corn borer (ECB) moth catches remain low. Feeding signs in whorl corn are rare. There will be no map in this edition. Second generation feeding is often obscured by fall armyworm (FAW) feeding. Once plants hit full tassel, any ECB larvae present will move downward on the stalk and re-enter the plant near […]

Filed Under: Organic Production, Vegetable Crops

September 5, 2018 Dean Polk, Dave Schmitt, Atanas Atanassov, Carrie Denson

Fruit IPM for 09/06/18

Peach: Peachtree Borer (PTB) and Lesser Peachtree Borer (LPTB): Now is the time to treat for peachtree borers and lesser borers. PTB has one generation per year, while LPTB and 2 generations per year. Over the last 10 years PTB has caused more problems than LPTB. It is not unusual to find multiple borer larvae […]

Filed Under: Blueberry, Fruit, Tree Fruit

September 5, 2018 Kris Holmstrom and Joe Ingerson-Mahar

IPM Update 09/05/18

Filed Under: Organic Production, Vegetable Crops

September 4, 2018 Thierry Besancon

Stinger 24(c) Special Local Need Label for Perennial Weed Control in Blueberries

The 24(c) Special Local Need Label for Stinger® that had expired on December 31, 2017 has finally been renewed up to December 31, 2020. Stinger® is especially useful in blueberry for controlling composite and legume weeds. Common composite weeds found in our orchards include Canada thistle and other thistles, goldenrod species, aster species, common dandelion, […]

Filed Under: Blueberry

August 30, 2018 A.Wyenandt, W.Kline, and J.Ingerson-Mahar

Potato | Tomato Disease Forecast 8-31-18

Click to View | Download Report 8-31-18 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

August 30, 2018 Thierry Besancon

Fall control of perennial weeds with herbicides

Late summer and fall are perfect times to work on tough-to-control perennial weeds such as Virginia creeper vine, bindweed, green-brier, Canada thistle, goldenrod, and poison ivy. These perennials are among the most difficult weeds to eradicate, especially because of their ability to generate new shoots from their root systems. Successful management strategies will mostly rely […]

Filed Under: Blueberry, Cranberry, Fruit, Tree Fruit, Vegetable Crops, Wine Grape