Filtering by tag: Pest News ✕

Tomato fruit

2022 Fungicide Spray Guides for Tomato and Pepper

The fungicide spray guides for tomato and pepper are intended for commercial growers and are suggested products or programs that have been evaluated for efficacy against the disease listed. There are…

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…

Chrysanthemums

Mum Growers, Beware of Pythium

July is the month when mum producers start seeing wilting plants due to Pythium root rot, with more cases turning up in August and September. If you have not been taking steps to prevent losses to…

CDM symtoms on squash leaf

Squash Downy Mildew Found in North Carolina

Written by Mariana Prieto-Torres, Savithri Purayannur, Mike Adams, and Lina M. Quesada-Ocampo Pseudoperonospora cubensis, the causal agent of cucurbit downy mildew (CDM), was confirmed on butternut…

black rot symptoms on Sweetpotato

Section 18 Label Renewal Approved for Use of Mertect (Thiabendazole) for Control of Sweetpotato Black Rot Postharvest in Domestic Markets

Written by Camilo H. Parada-Rojas and Dr. Lina M. Quesada-OcampoThe United States (U.S.) Environmental Protection Agency (EPA) renewed the section 18 emergency label, originally obtained in 2016, for…

Leaf with cucumber downy mildew symptoms

Cucumber Downy Mildew Found in North Carolina

Written by Mariana Prieto-Torres, Mike Adams, Dr. Savithri Purayannur, and Dr. Lina M. Quesada-Ocampo. Pseudoperonospora cubensis, the causal agent of cucurbit downy mildew (CDM), was confirmed on…

Black rot of Sweetpotato

Sweetpotato Black Rot Found in Storage Facilities

From Madison Stahr and Dr. Lina Quesada-OcampoSweetpotato black rot, caused by the fungal pathogen Ceratocystis fimbriata, was found in two commercial sweetpotato storage facilities in January of…

Fusarium wilt of chrysanthemum

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 University Plant Disease and Insect Clinic records. The cause of this increase…

Pumpkin downy mildew

Pumpkin Downy Mildew Found in Surry County, North Carolina

Written by Lina Quesada-Ocampo and Kimberly D’ArcangeloCucurbit downy mildew, caused by the oomycete pathogen Pseudoperonospora cubensis, has been confirmed on a pumpkin sample from a production…

Cucumber downy mildew. S. Sharpe.

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). Approximately 50% of the plants were infected, but at a low severity (~5%…