Powdery mildew, Alternaria and Cercospora are three important fungal foliar pathogens that can cause early defoliation in carrots, thus reducing yields and making harvest difficult. Each pathogen produces distinct symptoms.
Continue reading...August 18, 2021 Kris Holmstrom and Joe Ingerson-Mahar
Vegetable IPM Update 08/18/21
Sweet Corn European corn borer (ECB) moths are still appearing in several locations, but numbers remain very low, and feeding has only occasionally been reported. ECB population maps will resume if second flight catches rise to high enough numbers. The highest nightly blacklight trap catches of ECB for the week ending 08/18/21 are as follows: […]
Continue reading...August 18, 2021 Dean Polk, Dave Schmitt, Atanas Atanassov, Carrie Denson
Fruit IPM for 8/18/21
Grapes: Drosophilds and Sour Rot: As the sugars start to increase in early verities like Chardonnay, be aware of Spotted Wing Drosophila combined with native fruit fly species. These populations increase at this time of year and help spread sour rot. Sour rot will only be present when you also have injured fruit. Fruit splits […]
Continue reading...August 13, 2021 Andy Wyenandt
Basil downy mildew reports are increasing in the region
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 […]
Continue reading...August 12, 2021 Melissa Bravo
Grasshopper damage increasing in soybeans and corn
Differential grasshopper populations are heavily feeding on corn, soybeans and unharvested grass fields and waterways in Salem County. Damage is being observed above economic threshold in mutiple fields across the county where the broods are congregating. Reports from producers indicate the brood population was not this bad in 2020 and may be an indication this […]
Continue reading...August 11, 2021 Kris Holmstrom and Joe Ingerson-Mahar
Vegetable IPM Update 08/11/21
Sweet Corn European corn borer (ECB) moths have been captured at more locations over the past week, but numbers remain very low, and feeding has rarely risen to detectable levels. ECB population maps will resume if second flight catches rise to high enough numbers. The highest nightly blacklight trap catches of ECB for the week […]
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