Tag: Disease
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Weekly Field Update – 3/9/26

Warm weather and rain will have crops growing quickly this week. This is also a recipe for disease development. As strawberries, blueberries, and other small fruits progress, stay on top of disease management and scout closely. See details below. Keep an eye on the Upcoming Events tab periodically so you don’t miss any of our…
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Weekly Field Update – 3/2/26

After some rain and warm weather, crops will begin moving quickly this week. Now is a good time for strawberry tissue sampling and disease resistance screening. With more rain in the forecast, make sure you’re staying on top of disease control programs. See details below. Keep an eye on the Upcoming Events tab periodically so…
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Weekly Field Update – 2/23/26

After a taste of spring weather, the week is off to a cold start. Many growers have begun spring fertilization in strawberries and will begin protecting flowers and fruit from the cold. We are seeing an increase in insect and disease pressure around the state. See details below. Keep an eye on the Upcoming Events…
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Strawberries Showing Signs of Gray Mold After the Freezing Temperatures

Lindsey Thiessen and Guido Schnabel South Carolina is warming up following several bouts of freezing temperatures. Many used frost-protection covers to keep fruit crowns from freezing. To add some additional stress following the freezing temperatures, growers are reporting significant gray mold presence after frost protection covers have been removed. Gray mold is caused by a…
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Weekly Field Update – 2/16/26

After some welcomed rain over the weekend, temperatures are warming up for the week. Strawberry growers are beginning to inject fertilizer in preparation for bloom. Spider mites are showing up in many places and are likely to increase in the coming warm weather. See details below. Keep an eye on the Upcoming Events tab periodically…
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Hold Off on Second White Mold Sprays in South Carolina

From Tony Keinath, Clemson Extension Plant Pathologist Last week, I advised South Carolina brassica growers to spray brassica crops to protect them from white mold, based on symptoms seen on kale and stock, a brassica winter annual, in Charleston. The initial symptoms were triggered by the cold temperatures of Dec. 16 and 17 that completed…
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Question of the Week – Scurf

What is going on with the skin of this sweetpotato? This sweetpotato has a superficial disease known as scurf (Monilochaetes infuscans). Scurf develops on the skin of the sweetpotato and is not visible on the flesh after peeling the skin. Though infected sweetpotatoes are still perfectly edible, this cosmetic defect renders them unmarketable. Scurf development…
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Weekly Field Update – 11/17/25

After a cold snap, warm weather is back. Some strawberry growers covered their plants for the cold and are now uncovering to let them soak up the warm weather. Warm season crops were finished of by the cold. Brassica crops are showing a few disease issues as well as some cold-related discoloration. The Mildands region…
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Weekly Field Update – 11/10/25

The weather has quickly turned cold after a fairly warm week. Fall tomatoes, peppers, and cucurbits will be finished off this week. Strawberries are looking good so far with few disease or establishment issues. See details below. As we get into strawberry season, check out this year’s Strawberry Webinar Series to brush up on disease…
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Weekly Field Update – 11/3/25

Strawberry planting has finished up and crops look good so far. Fall tomatoes, squash, etc. are still being harvested, but the end is near. Greens are looking great and we expect to have a good crop for the Thanksgiving market. See details below. As we get into strawberry season, check out this year’s Strawberry Webinar…