Tag: Disease
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Field Scouting and Identification of Diseases on Cucurbits in South Carolina
From Clemson Plant Pathologist Tony Keinath For anyone who missed the Preplant Cucurbit Meeting on Feb. 7, 2025, at the Edisto Research and Education Center, here is a recap of the main points on scouting fields for cucurbit diseases. Table 1 shows which diseases are most likely to show up on different crops. Use this…
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Weekly Field Update – 3/24/25
Though we had some cool nights, we saw beautiful spring weather last week. Strawberry picking is just beginning in places. Peach bloom has peaked and we are entering shuck split in some varieties. We have been dry and windy, so keep a close eye out for spider mites. See details below. Clemson Extension is working…
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Weekly Field Update – 3/17/25
Spring officially begins this week, though spring weather has been here for a little while now. Strawberries have really jumped in the last week and a few folks have had a chance to taste some. Peaches are in bloom and spring crops are starting to go into the ground. See details below. Clemson Extension is…
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Weekly Field Update – 3/10/25
As the weather warms, strawberry crops are progressing rapidly across the state. Growers are beginning disease control programs and scouting for mites. Spring veggies are starting to go in to the ground along the coast. See details below. Keep an eye on the Upcoming Events tab periodically so you don’t miss any of our winter/spring…
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Weekly Field Update – 3/3/25
The weather this past week gave us a preview of Spring, which is only a couple weeks away. Strawberry growers have begun fertilizing and will protect blooms from frosts from here on out. Blueberries and peaches are beginning to bloom and some spring brassicas are going into the ground. See details below. This past week,…
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Weekly Field Update – 2/24/25
After a few cold nights, things will be warming up this week. Peaches and blueberries are starting to come out of dormancy and strawberries are starting to wake up as well. Be ready to act as pest activity is expected to increase as temperatures rise. See details below. SC Farm Bureau has extended the deadline…
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Good Progress on Breeding a Downy Mildew-Resistant Pickling Cucumber, 2024 Update
From Clemson Plant Pathologist Tony Keinath I am part of an exciting collaboration with Dr. Michael Mazourek from Clemson University to help him complete the breeding and selection process for a new pickling cucumber with high levels of resistance to downy mildew. Field work at the Clemson Coastal REC in Charleston started last fall. We…
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Can Biological Products and Soil Amendments Help With Bacterial Disease Management in Peaches?
From Guido Schnabel, Hehe Wang, Juan Carlos Melgar, Ayodeji Idowu, Junaed Ahmed, Rongzhong Ye, and Michael Vassalos I think we can all agree that peaches produced in commercial peach orchards in South Carolina are special. They are sold locally at farm stands and many retail stores along the East Coast. You may not know that…
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Weekly Field Update – 2/17/25
Growers have been busy making preparations for spring planting. With bitter cold coming this week, strawberry growers are expected to cover fields in most parts of the state. Spider mites and neopest are active in many places, so plan miticide and fungicide applications accordingly. See details below. Keep an eye on the Upcoming Events tab…
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White Mold is Active so Spray Now
From Clemson Plant Pathologist Tony Keinath and Extension Associate Justin Ballew The freezing weather the week of January 21, 2025, was just what the Sclerotinia white mold fungus was waiting for. While cold temperatures discourage most animals from being active, freezing temperatures trigger Sclerotinia sclerotia (the survival structures in soil) to germinate, produce tiny mushrooms,…
The South Carolina Grower 