Marssonina Madness on Malus
Premature defoliation resulting from Necrotic Leaf Blotch and Glomerella Leaf Spot was the focus of last week’s post. Unfortunately …
Commercial Horticulture, Nursery & Turf
Don't Be Fooled by Nectrotic Leaf Blotch
Over the past week I’ve received a few phone calls regarding concern over leaves on Golden Delicious suddenly developing …
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 …
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. …
Apple Disease Update: Week of June 2, 2019
The theme of this week’s post is to PRACTICE PROTECTION! According to my weather apps, a fair amount of …
2019 Apple Disease Update: 3rd and 4th Cover
While the weather has been relatively dry for the region over the past week or so, high relative humidity …
Downy Mildew on Coreopsis and Related Plants
The downy mildew pathogen Plasmopara halstedii was found causing leaf spotting and leaf death on a sample of coreopsis …
Apple Disease Update: 1st Cover
Due to the threat of Glomerella leaf spot and bitter rot in the southeast, the first cover spray those …
Apple Disease Update: 1/2" Green / Tight Cluster
With the exception of ‘Rome Beauty’, many apple cultivars at MHCREC are beyond green tip. If you have not …
Apple Disease Update: Late Silver Tip + Green Tip
Silver tip and green tip should soon be observed in apple orchards throughout NC and green tissue may already …
Pre-Season Disease Clean-Up
Orchard clean up during the fall and winter months, can save some apple disease-associated headaches during the season. From …
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 …
Vegetable Production Update- October 12, 2018
From Dr. Amanda Strayer-Scherer (Postdoctoral Research Scholar, Plant Pathology, Tomatoes) and Inga Meadows (NC State Extension Associate, Plant Pathology …
Apple Alert: Marssonina Leaf Blotch Confirmed in Western NC
Last week, Marssonina leaf blotch, caused by the fungal pathogen Marssonina coronaria was confirmed in several ‘Rome Beauty’ trees …
Vegetable Production Update- August 31, 2018
From Dr. Amanda Strayer-Scherer (Postdoctoral Research Scholar, Plant Pathology, Tomatoes) and Inga Meadows (Extension Associate, Plant Pathology Specialist) Background: The …
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 …
Vegetable Production Update- July 20, 2018
From Dr. Amanda Strayer-Scherer (Postdoctoral Research Scholar, Plant Pathology, Tomatoes) and Inga Meadows (Extension Associate, Plant Pathology Specialist) Background: The …
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