Filtering by tag: Commercial Horticulture, Nursery & Turf ✕

Botrytis blight on petunia

Ornamental Growers: Interested in an Educational Conference in NC?

Ornamental Extension Specialists and Area Agents are gauging growers' interest in an education conference in North Carolina.The conference would be in central NC, one day with brief presentations…

Fig. 1: gummy stem blight leaf spots on watermelon leaves and cotyledons (Photo: Erin Eure, NC State Extension)

Gummy Stem Blight Detected in Watermelon Transplants in North Carolina

In the past couple of weeks we have seen a few cases of watermelon seedlings infected with gummy stem blight. This early detection is concerning, as transplant infections can serve as the initial…

Soil sampling

NCDA Offers FREE Soil Testing & Services for WNC Through June 2025

The North Carolina Department of Agriculture and Consumer Services (NCDA & CS) is offering free services for counties affected by Hurricane Helene through June 2025. See NCDA's announcement…

Petunias in a greenhouse

2025 Fungicide Guide for Herbaceous Ornamentals in the Greenhouse, Nursery, & Landscape

Fungicide use to manage diseases in ornamental crops is a part of an effective integrated pest management program. Efficacy of the many products available can vary widely and can be complex. This…

Cucumber downy mildew symptoms

Cucumber Downy Mildew Found, Haywood County, August 13, 2024

Cucumber downy mildew (CDM) has been confirmed on cucumber plant samples from a research plot at the Mountain Research Station in Haywood County, NC.Water-soaked lesions on the undersides of leaves…

Featured image: Cucumber leaf with downy mildew lesions and sporulation under a hand-held microscope for diagnosis (Photo credit: Lina Quesada)

Cucumber Downy Mildew Found in Sampson County in North Carolina

Pseudoperonospora cubensis is responsible for cucurbit downy mildew (CDM), which was detected in Sampson County on cucumbers on June 4, 2024, with a disease incidence of around 5%.On the upper side…

Composite photograph of guava root-knot nematode damage on sweetpotato. On the left side are two photos of storage roots with galls caused by GRKN. On in the middle is GRKN galls on a sweetpotato fibrous root. On the right is a sweetpotato with skin peele

Guava Root-Knot Nematode: 2024 Emergency Management Recommendations for Sweetpotato Producers

Nothing beats the delicious and nutritious sweetpotatoes from North Carolina. Yet the guava root-knot nematode (GRKN; Meloidogyne enterolobii) continues to threaten production of this important…

Botrytis blight on petunia

Fungicide Resistance in Botrytis: A Reminder for Floriculture Crop Producers

Botrytis blight (caused by Botrytis cinerea) is a well-known problem among greenhouse ornamental crop producers. This ubiquitous fungus has a wide host range, and no host resistance is available.…

Credit: A. Dombrovsky, O. Batuman, Fidan et al. (2019) and Luria et al. (2017)

Virus-Infected Tomatoes May Be Prevalent at Grocery Stores

A recent study from the University of Florida discovered high incidences of two tomato viruses (ToBRFV and PepMV) in tomato fruit among 10 grocery stores surveyed in Florida. Tomato brown rugose…

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…