Leaf mold occasionally appears in high tunnel or greenhouse tomato production in New Jersey. However, under ideal conditions the disease will develop in field-grown crops. The fungus will cause infection under prolonged periods leaf wetness and when relative humidity remains above 85%. If relative humidity is below 85% the disease will not occur. Therefore, the […]
Continue reading...Identifying and controlling leaf mold in high tunnel & greenhouse tomato production
Vegetable IPM Update 6/12/24
Sweet Corn European corn borer (ECB) moths continue to be captured in blacklight traps in the northern and central counties, with highest moth activity in Middlesex, Somerset and lower Hunterdon counties. The highest feeding levels are in Somerset and southern Hunterdon Counties. ECB injury over 20% of plants infested has been found in that […]
Continue reading...Insect Pest Management During Bloom – June 12, 2024

Cranberries have started to bloom, and bees are active in bogs. If insects have been effectively managed prior to bloom, we recommend no sprays at this time. A reminder: when bees are present, your choices of insecticides are insect growth regulators (IGRs) such as Intrepid 2F or Bt products such as DiPel. During bloom, we […]
Continue reading...Controlling basil downy mildew in the greenhouse
Basil downy mildew (BDM) can cause significant losses in the greenhouse. Once introduced into the greenhouse it can be very difficult to manage and eliminate. In the past few years, a vast amount of research has been done on understanding BDM biology and controlling it in the greenhouse using different cultural practices. Before we get […]
Continue reading...Tree Fruit IPM Report June 12, 2024
Peach: Bacterial Spot: Fruit symptoms have begun to appear in southern counties. So far fruit symptoms are very low and only in highly susceptible varieties. Peaches are at or past pit hardening and fruit now has some resistance to bacterial spot. Infections can still occur but will be less unsightly and may still make grade. […]
Continue reading...Preparing for basil downy mildew in the field in 2024
For over a decade, basil downy mildew (BDM) has caused significant losses in basil grown in organic and conventional field and greenhouse production across the United States. At the time of its introduction, there were very few fungicides labeled for its control making it nearly impossible to grow a successful crop in many areas of […]
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