Cotton Cercospora Leaf Spot Observed Across NC
Cercospora leaf spot of cotton (Fig. 1), caused Cercospora gossypina (syn. Mycosphaerella gossypina), has been observed across North Carolina cotton growing …
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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. …
Cucumber Downy Mildew Detected in North Carolina
Written by Lina Quesada-Ocampo and Kimberly D’Arcangelo Cucumber Downy Mildew (CDM) was confirmed on a cucumber sample from a production …
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 …
Basil Downy Mildew Found in Greenhouse in Eastern NC - May 16, 2019
-Inga Meadows, Shawn Butler, and Dr. Lina Quesada-Ocampo Basil downy mildew (BDM) has been confirmed in a commercial greenhouse in …
Thrips Flight and TSWV Risk Update--May 7, 2019
Third generation thrips flights are now predicted to occur within 14 days at some of our locations, so growers …
Apple Disease Update: 1st Cover
Due to the threat of Glomerella leaf spot and bitter rot in the southeast, the first cover spray those …
Thrips Flight and TSWV Risk Assessment Report – 23 April 2019
This is the second thrips flight and TSWV risk assessment post. Read more about tobacco thrips biology and TSWV transmission. This …
Fusarium Head Blight Risk Update-April 22, 2019
This is the third update on Fusarium Head Blight (FHB) risk in North Carolina in 2019. More information on FHB …
Thrips Flight and TSWV Risk Assessment Report – 16 April 2019
Tomato spotted wilt virus (TSWV) is transmitted by thrips from winter weeds that are host to the virus. Symptoms …
Renewal of Section 18 Label for Use of Mertect (Thiabendazole) in Sweetpotato Postharvest for Black Rot Control in Domestic Markets Has Been Approved
The specific exemption section 18 label obtained in 2016 for using Mertect (thiabendazole) for control of black rot (caused …
Fusarium Head Blight Risk Update, April 10, 2019
Fusarium Head Blight Fusarium Head Blight (FHB), also known as scab, is caused by several Fusarium spp., particularly F. graminearum in the U.S. The …
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 …