Tag: Disease
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Weekly Field Update – 2/27/23

We have lots of fruit and vegetable meetings coming up over the next couple of months, so check out the Upcoming Events tab for the complete lineup. This week, we have the Pee Dee Vegetable Growers Meeting in Florence on Thursday (2/28) and a Waste Pesticide Collection event in York on Saturday (3/4). Don’t miss…
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Cottony Rot on Stored Carrots

From Clemson Plant Pathologist Tony Keinath. Stored carrots can rot if they are infected by one of several different fungi in the field. Among the culprits is Sclerotinia, typically known as white mold on beans, Sclerotinia stem rot and watery soft rot on brassicas, or timber rot on tomato. On carrot, the same disease is…
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Weekly Field Update – 2/20/23

We have lots of fruit and vegetable meetings coming up over the next couple of months, so check out the Upcoming Events tab for the complete lineup. This week, we have the upstate strawberry meeting in Gaffney on Thursday (2/23) at 5:30 pm. Don’t forget to look at our Resources tab for links to crop…
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Pythium Damping-Off of Seedless and Pollenizer Watermelons

From Clemson Plant Pathologist Tony Keinath. Stand loss in transplanted spring seedless watermelons is usually not a serious issue in South Carolina, due to relatively sandy soils in the major production areas. Two pathogens that can cause post-transplanting damping-off and plant death are the fungus Fusarium and the water mold Pythium. Fusarium can kill seedlings…
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Weekly Field Update – 2/13/23

We have lots of fruit and vegetable meetings coming up over the next couple of months, so check out the Upcoming Events tab for the complete lineup. This week, we have a Drip Irrigation Workshop on 2/17 at the Edisto REC. Don’t forget to look at our Resources tab for links to crop handbooks, helpful…
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Black Rot Review: How to Manage this Disease on Brassica Crops

From Clemson Plant Pathologist Tony Keinath. Black rot is the most common disease caused by bacteria on brassica crops. It was widespread in the Lowcountry in fall 2022, so it’s time for a review of this serious disease. Recognizing Black Rot Most often, black rot starts at the edges of the older leaves on brassicas.…
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Weekly Field Update – 2/6/23

We have lots of fruit and vegetable meetings over the next couple of months, so check out the Upcoming Events tab for the complete lineup. This week, we have the Ridge Peach Meeting on 2/9 in Edgefield and The Back to Basics of Vegetable Production webinar on 2/9. Don’t forget to look at our Resources…
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Question of the Week – Phytophthora Crown Rot

This week, the question was: What has caused the dark brown discoloration in the crown of this strawberry plant? This dark reddish/brown discoloration in the crown is a typical symptom of Phytophthora crown rot. The first observable signs of this disease include wilting and browning of the leaves in the field. Phytophthora is most serious…
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Weekly Field Update – 1/17/23

The Weekly Field Updates are back for 2023! We hope everyone had a great holiday season and is off to a good start this year. We have lots of fruit and vegetable meetings over the next couple of months, so check out the Upcoming Events tab for the complete lineup. This week there will be…
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Question of the Week – Squash Beetle Trenching

This week, the question was: Why is a portion of this squash leaf discolored? The light-colored tissue we see here is the result of squash beetle behavior known as “trenching.” Trenching cuts off (at least temporarily) the translocation of cucurbitacin defense compounds, to preserve the palatability and quality of the squash foliage feeding site. The beetles…