Plant & Pest Advisory

May 15, 2019 Dean Polk, Dave Schmitt, Atanas Atanassov, Carrie Denson

Fruit IPM for 5/15/19

Peach: Plum Curculio (PC): PC oviposition continues in all areas of the state. We have seen increasing levels of damage, particularly in northern counties with up to 2-3% of fruit injury with egg scars. We have accumulated about 103 DD since petal fall (apple) in southern counties and just over 64 DD in Hunterdon County. […]

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

May 15, 2019 Kris Holmstrom and Joe Ingerson-Mahar

IPM Update 5/15/19

Sweet Corn Most of the IPM Program black light trap network is now operational in New Jersey. To date, no corn earworm (CEW) have been captured. However, low numbers of European corn borer (ECB) moths are now appearing in a number of traps (see map at left). This is the onset of the first flight of […]

Filed Under: Organic Production, Vegetable Crops

May 14, 2019 Andy Wyenandt

Vegetable Disease Update – 5/14/19

The cool, damp weather the past week has been ideal for downy mildew development on spring crops. Growers are advised to scout fields on a regular basis The heavy rains and damp, cool weather have been ideal conditions for early-season damping off caused by Pythium. Growers should continue to scout on a regular basis and […]

Filed Under: Vegetable Crops

May 8, 2019 Kris Holmstrom and Joe Ingerson-Mahar

IPM Update 5/08/19

Sweet Corn IPM Program personnel are currently finishing deployment of the black light trap network in New Jersey. At present, we are approximately 80% operational and have begun to monitor traps. To date, no corn earworm (CEW) have been captured. The low numbers of European corn borer (ECB) moths that have been caught do not […]

Filed Under: Organic Production, Vegetable Crops

May 8, 2019 Cesar Rodriguez-Saona

Insects to Watch Out For in Your Cranberry Bogs

The following insect pests bear special mention for early-season scouting in cranberry bogs: Blackheaded fireworm – Blackheaded fireworm eggs overwinter on the beds and usually hatch by around mid-May. It is important to catch the first generation, if possible, because the second generation occurs during bloom and is typically much more destructive. Blackheaded fireworm larvae […]

Filed Under: Cranberry, Fruit

May 7, 2019 Dean Polk, Dave Schmitt, Atanas Atanassov, Carrie Denson

Fruit IPM for 5/8/19

Peach: Plum Curculio (PC): PC adults are still active and will damage fruit if not controlled. Fresh injury is being found in several plantings, particularly in northern orchards. PC is a key pest to control during the first few weeks after petal fall.

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