Filtering by tag: Pest News

Late blight on tomato leaves

Late Blight on Tomato Confirmed in Buncombe County, 7-17-20

Late blight on tomato was confirmed in Buncombe County on July 17, 2010, and confirmed by microscopic observation of the sporangia under the compound microscope. Samples will be sent to Cornell for…

Target spot

High Target Spot Pressure in NC Tobacco

Persistent wet weather conditions continue to cause issues for tobacco diseases across the state. In particular, target spot, caused by Thanatephorus cucumeris (syn. Rhizoctonia solani) is severe…

Cucumber downy mildew

Cucumber Downy Mildew Found in Johnston County

Written by Lina Quesada-Ocampo and Brandon ParkerCucumber downy mildew, caused by the oomycete pathogen Pseudoperonospora cubensis, has been found in a commercial cucumber field in Johnston County.…

Cucumber vine leaves showing yellow mottled spots and green veins

Cucumber Downy Mildew Confirmed in North Carolina | June 2020

Written by Lina Quesada-Ocampo, Kimberly D’Arcangelo, Mike Adams, and Tommy BattsCucumber downy mildew (CDM) was confirmed on a cucumber sample from a production field in Wilson County on June 8 of…

Black rot of sweetpotato

Section 18 Label Renewal Approved for Use of Mertect for Black Rot Control in Sweetpotato

From Madison Stahr and Dr. Lina Quesada-OcampoThe environmental protection agency (EPA) has renewed the specific exemption section 18 emergency label, originally obtained in 2016, for the use of…

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Dieback Symptoms in Industrial Hemp

Dieback Symptoms in Hemp Over the last month, dieback symptoms have been widely observed in hemp stands. These symptoms are characterized by wilting and necrosis of branch tips. These symptoms could…

Late blight on tomato

Late Blight on Tomato Confirmed in Haywood County, NC (Aug 26, 2019)

Late blight on tomato was confirmed in Haywood County on August 26, 2019, and confirmed by microscopic observation of the sporangia under the compound microscope. Samples will be sent to Cornell for…

Cannabis leaf with many circular brown lesions (leaf spot)

Exserohilum Leaf Spot Causing Problems in NC Hemp

Hemp Leaf Spot Problems North Carolina industrial hemp producers are combatting a leaf spot issue that is caused by Exserohilum rostratum. This disease was first identified during the industrial hemp…

Fusarium wilt

Root Diseases Prevalent in Industrial Hemp

Root, Crown, and Stem Rot Root, crown, and stem rots are being observed in industrial hemp stands across North Carolina. While several of these pathogens are opportunistic, many are severe problems…

Hand holding a green leaf showing detailed veins and fine hairs

Cucumber Downy Mildew in Western North Carolina (7/30/2019)

Cucumber Downy Mildew (CDM) has been confirmed on cucumber samples from our sentinel plot in Waynesville, NC (Haywood County) and from commercial growers in Burke and Henderson Counties.…