Filtering by tag: pest alert

Tomato fruit

Tomato Late Blight Found in Henderson County, NC (7 Aug 2023)

Late blight on tomato has been confirmed on an organic vegetable farm in Henderson County, NC on 7 Aug 2023. A sample has been submitted for genotyping analysis to identify the strain and sensitivity…

Cucumber downy mildew

Cucurbit Downy Mildew in Haywood County, July 28, 2023

Cucumber downy mildew (CDM) has been confirmed on cucumber plant samples from a research plot at the Mountain Research Station in Haywood County, NC. Only 1% of plants showed symptoms and only 5% of…

Fresh market tomatoes

WNC Vegetable Growers: BOLO for Tomato Late Blight & Cucurbit Downy Mildew

Vegetable growers in western North Carolina: Be on the lookout (BOLO) for late blight on tomato and cucurbit downy mildew. Recent weather conditions (frequent rainfall, cloudy skies, and high…

underside of cucumber leaf

Cucumber Downy Mildew Found in Lenoir County in North Carolina

Written by Mariana Prieto-Torres and Lina M. Quesada-Ocampo.Pseudoperonospora cubensis is the causal agent of cucurbit downy mildew (CDM). This disease was confirmed on June 20, 2023 in Lenoir County…

2022 NC Crop Protection School

2022 Crop Protection School: Emerging Threats

The 74th Annual Crop Protection School will be held virtually on Thursday, December 1, 2022 using the Zoom platform. Please use this link to register. After registration, you will be sent a passcode…

Late blight on tomato

Late Blight on Tomato in Haywood County (Aug 17, 2022)

Late blight on tomato has been confirmed from a commercial tomato field in Haywood County, NC on August 17, 2022.Growers should monitor frequently for symptoms of late blight and begin applying…

black rot symptoms on Sweetpotato

EPA Issues Label Approving Mertect in Sweetpotatoes

Updates for Sweetpotato Producers in NC: EPA issues Section 3 label for Mertect (thiabendazole) in sweetpotatoes postharvest and EU raises MRL to 3 ppm From Dr. Lina Quesada-Ocampo and Camilo H.…

Cucumber downy mildew symptoms

Cucurbit Downy Mildew Found in Haywood County--July 18, 2022

Cucumber downy mildew (CDM) has been confirmed on cucumber plant samples from a homeowner garden in Haywood County, NC. Leaves showed symptoms typical of CDM: angular, chlorotic or yellow lesions on…

Angular, yellow lesions on topside of the leaves that are bound by leaf veins

Cucumber Downy Mildew Found in North Carolina

Written by Mariana Prieto-Torres and Lina M. Quesada-Ocampo.Pseudoperonospora cubensis, the causal agent of cucurbit downy mildew (CDM), was confirmed on cucumbers in Wilson and Sampson Counties on…

e-GRO Edible Alert newsletter cover: Common diseases of hydroponic leafy greens and herbs

Diseases of Hydroponic Leafy Greens and Herbs

Although hydroponic production systems allow growers to control many factors to create a healthy crop, these systems do pose a unique environment for certain diseases. It is important to know the…