The PDIC Website Has a New Location, Look, and Information!
We at the NC State University Plant Disease and Insect Clinic are very excited to roll out our new …
Specialty Crops
Fusarium Wilt Problematic on Chrysanthemum in 2020
The number of chrysanthemum samples diagnosed with Fusarium wilt this year is well above average, according to NC State …
Pumpkin Downy Mildew Found in Surry County, North Carolina
Written by Lina Quesada-Ocampo and Kimberly D’Arcangelo Cucurbit downy mildew, caused by the oomycete pathogen Pseudoperonospora cubensis, has been confirmed …
Cucurbit Downy Mildew Confirmed in Western NC (8/14/2020)
Cucumber Downy Mildew (CDM) has been confirmed on cucumber plants in our sentinel plot in Waynesville, NC (Haywood County). …
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 …
Cucumber Downy Mildew Found in Johnston County
Written by Lina Quesada-Ocampo and Brandon Parker Cucumber downy mildew, caused by the oomycete pathogen Pseudoperonospora cubensis, has been found …
2020 Apple Disease Update: Late Silver / Green Tip
Silver tip and green tip have arrived in most apple orchards and cultivars throughout NC. Given the importance of …
NC County Extension Agents Practice Cucurbit Disease Identification Techniques
As part of NC State University Department of Plant Pathology and Entomology’s annual agent training each July, the Vegetable …
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 …
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 …
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. …
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) …
Scout for Tomato Late Blight in NC (July 30, 2019)
Conditions have been conducive for late blight on tomato to occur, especially in western North Carolina. Heavy morning dews and …
Basil Downy Mildew Found in Western North Carolina - July 22, 2019
Basil downy mildew has been confirmed on the variety Genovese in our research plots in Haywood County, North Carolina. …
Watch Out for Botrytis Gray Mold in Your Greenhouse
As weather begins warming up and greenhouse annuals are in production, Botrytis gray mold will also be on the …
Fungicide Resistance Found in Frogeye Leaf Spot of Flue-Cured Tobacco
Environmental conditions this growing season have been conducive for several pathogens in flue-cured tobacco. Frogeye leaf spot (Cercospora nicotianae) has …
Late Blight Detected in Haywood County - Aug. 20, 2018
Late blight on tomato was confirmed in Haywood County on August 20, 2018 and confirmed by microscopic observation of the …
Basil Downy Mildew Reported in Haywood County - July 23, 2018
Basil downy mildew (BDM) has been observed in our sentinel plots at the Mountain Research Station in Waynesville. Symptoms …
Cucumber Downy Mildew Confirmed in Henderson and Haywood Counties, NC -- July 2018
Cucurbit downy mildew (CDM) was confirmed on a cucumber leaf from a commercial field in Henderson County on July …
Phytophthora Diseases Affecting Fruiting Vegetables in WNC
As the flooding recedes in western North Carolina, many growers are now reporting losses due to Phytophthora diseases on …
Recent Publications related to Specialty Crops
Sweetpotato Root Knot Nematode
This factsheet discusses the identification and management of root knot nematode of sweetpotato.
1 week ago — Vegetable Pathology Factsheets
North Carolina Basil Production Guide
This publication specifically discusses fresh-market basil, examining the selection, production, harvesting and marketing of the …
2 weeks ago
Ginseng Production Guide for North Carolina
This publication discusses the best techniques for growing quality ginseng. It includes descriptions and stages …
2 weeks ago
Gray Mold of Industrial Hemp
Gray mold of industrial hemp is common to most regions that produce this crop. It …
9/30/20 — Industrial Hemp Disease Information
Photosystem II – Triazine Herbicides
This factsheet describes the symptoms of a photosystem II (PS II) inhibitor herbicide injury.
9/23/20 — Herbicide Injury Factsheets
Shoot Inhibitors
This factsheet describes the symptoms of a shoot inhibitor herbicide injury.
9/17/20 — Herbicide Injury Factsheets
Cellulose Inhibitor, Dichlobenil
This factsheet describes the symptoms of a dichlobenil herbicide injury.
9/17/20 — Herbicide Injury Factsheets
Acetolactate Synthase (ALS) Inhibitors
This factsheet describes the symptoms of an ALS inhibitor herbicide injury.
9/17/20 — Herbicide Injury Factsheets