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Fusarium Wilt on Okra
From Clemson Plant Pathologist Tony Keinath. Late summer is the time of year when Fusarium wilt shows up on okra. Because the fungus travels in the xylem, external symptoms are visible on all above-ground plant parts. Although the main stem may remain partially green, side branches turn brown, and pods dry completely. To diagnose Fusarium […]
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Question of the Week – Unmanaged Apple Issues
This week, the question was: Can you name one problem with this apple? A quick glance at this ‘Gala’ apple shows signs of bitter rot, sooty blotch, and fly speck to name a few. The point of this question of the week is not really to name specific pests or pathogens but to talk about […]
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Weekly Field Update – 8/29/22
Coming up this week, the SC Dept. of Agriculture and Clemson Extension are working together to offer the South Carolina Produce Safety Rule Grower Training online 8/30 & 8/31 from 1-5:30pm. It is too late to get on-board for this week, but the final online training for the year is scheduled for the end of […]
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Question of the Week – Hickory Horned Devil
This week, the question was: What is this wild-looking critter? This is a caterpillar known as the hickory horned devil. The adult is a beautiful moth known as the regal moth (Citheronia regalis), but it is rarely seen due to its nocturnal habit. The hickory horned devil commonly feeds on the leaves of walnut, hickory, […]
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Cercospora Leaf Spot on Okra Looks Different than Other Cercospora Leaf Spots
From Clemson Plant Pathologist Tony Keinath and USDA Plant Pathologist Gabriel Rennberger. August is the time of the year when Cercospora leaf spot appears on okra. This Cercospora leaf spot doesn’t look like Cercospora leaf spots on other crops, such as beet. Most of the disease is on the leaf underside. On the top of […]
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Weekly Field Update – 8/22/22
Coming up this week the SC Dept. of Agriculture is hosting a couple Waste Pesticide Collection Events (8/23 in Kingstree and 8/24 in Dillon). If you have any old materials sitting around, take advantage of these free events. See more details on the Upcoming Events page. Be sure to scroll all the way to the […]
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Question of the Week – Glyphosate
This week, the question was: What happened to this young tomato plant? This young tomato plant is suffering from glyphosate damage that occurred when row middles were being sprayed. Glyphosate is a systemic herbicide, so damage shows up at the growing point. At this stage of growth, it is unlikely the plant will grow out […]
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Weekly Field Update – 8/15/22
Don’t forget about the virtual Preseason Strawberry Production Meeting coming up tomorrow (8/16) from 6:30 -8:00 pm. We have a great speaker lineup and pesticide credits available. Click here to register. Be sure to scroll all the way to the bottom to see this week’s Question of the Week and check back on Thursday for […]
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Question of the Week – Giant Swallowtail Caterpillar
This week, the question was: What is on this citrus leaf? This looks a lot like bird poop, however, it’s just a camouflage tactic of the giant swallowtail caterpillar. This species is often called the “orangedog” as they feed on members of the citrus family throughout their larval stage. They can be a pest to […]
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Weekly Field Update – 8/8/22
Be sure to scroll all the way to the bottom to see this week’s Question of the Week and check back on Thursday for the answer! Coastal Region Zack Snipes reports, “It has been hot and dry for the most part in the Lowcountry. Things are relatively quiet. I have heard reports of and seen high […]
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