Peach: Oriental Fruit Moth: A biofix point for OFM was set on 4/11 in southern counties, and on 4/14 in northern counties. The first generation timings are updated below. Insecticide Type County/Region Degree Days by 5/24 base 45 Conventional 1150-1200 1450-1500 Diamide 1075-1150 1375-1450 Gloucester – Southern 595 1st – 2nd – 1st – 2nd […]
Continue reading...May 24, 2022 Melissa Bravo
Corn emerging. Scout now for black cutworm
On May 3, 2022, Penn State Extension reported a significant number of black cutworm moths in traps in Lebanon and Lancaster County. In general, it takes about 300 growing degree days for the moth larva to emerge and begin cutting corn. This year, this is coinciding with emergence of field corn. And, of note is […]
Continue reading...May 24, 2022 Tim Waller
Nursery Pests Scouting June – Bagworms, Scales, Borers, RHFB, BWB
Red-headed flea beetle – Adult emergence beginning any day now Please refer to this timeline of pest development compiled by Tim Waller in communication with Brain Kunkel (Unv. Del) and Danny Lauderdale (NC State) Contains material selection and timing, along with regime information and considerations Boxwood Blight Alert – Infection Potential (Saturday) 5/27 Boxwood Blight […]
Continue reading...May 20, 2022 Andy Wyenandt
Anthracnose and Botrytis Control in Strawberries for 2022
Dr. Mengjun Hu, University of Maryland, and Kathy Demchak, Penn State University, have written an extensive article on effective strategies for Botrytis and Anthracnose fruit rot control for the 2022 season. Managing gray mold (Botrytis) on strawberries is increasingly challenging because of fungicide resistance development, plus a new Botrytis species that is less susceptible to […]
Continue reading...May 18, 2022 Joe Ingerson-Mahar
Vegetable IPM Update
Due to subnormal temperatures and storms, there has not been enough pest activity to warrant producing maps. Sweet corn European corn borer moths have now been trapped in Gloucester and Salem County blacklights. This is the beginning of the first, over-wintering generation of moths whose numbers will increase over the next two to three weeks. […]
Continue reading...May 18, 2022 Dave Schmitt
Tree Fruit IPM Report for May 18, 2022
Peach: Bacterial Spot: Generally we recommend starting at 0.5 ozs metallic copper and gradually lowering the rate as the season progresses. The rate applied will depend on the formulation. Dr. Lalancette published a chart listing common copper formulations and rates for peach and nectarine applications. Avoid combining copper with captan especially if it has been […]
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