Tag Archives: disease

Corn Harvest

A fair amount of corn was harvested last week.  Yields are looking good so far and we hope that trend continues. Rains are moving in this week and we are forecast to get 2-3 inches over the next 5 days … Continue reading

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Peanut Update – Volunteer Peanuts

The following update was prepared by Clemson Peanut Specialist Dan Anco. We are still in the first week of June, and while most of the planting is complete, the growing season is just getting started. We often talk about the … Continue reading

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Question of the Week: Southern Stem Blight

Last week the question was:  What is this disease growing at the base of this tomato plant? This is a fungal disease called Southern stem blight (Sclerotium rolfsii).  This is the same pathogen that causes white mold in peanuts.  It … Continue reading

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Question of the Week: Cedar Apple Rust

Last week the question was:  What is on this cedar tree? This is a cedar apple rust gall.  This is a type of fungi that requires two different hosts to complete it’s life cycle.  As the name suggests, it requires … Continue reading

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Wheat in the Boot Stage

There is a lot of wheat out there starting to push out heads.  It’s been growing quickly since the cold a couple weeks ago.  Here’s a photo of a few heads just starting to peek out of the flag leaf. … Continue reading

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Question of the Week: Virus

Last week the question was:  What is wrong with this pumpkin plant? These are symptoms of a virus.  It could be either papaya ringspot virus, watermelon mosaic virus, or zucchini yellow mosaic virus.  It’s difficult to distinguish the three without … Continue reading

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Soybean Rust Update – 10/7/16

FROM:  John Mueller, Extension Soybean Pathologist, Edisto Research and Education Center  Both Joe Varn and I (he was first) have found soybean rust in Barnwell County in the last few days.  SOYBEAN RUST HAS NOW BEEN FOUND IN COLLETON, BAMBERG, … Continue reading

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Question of the Week: Pierce’s Disease

Last week the question was:  Which disease has infected this muscadine vine? This is a bacterial disease called Pierce’s disease, Xylella fastidiosa.  Pierce’s disease is vectored by leafhoppers, primarily the glassy winged sharpshooter.  The bacteria clog the xylem tissue in the … Continue reading

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Soybean Rust Update – 9/22/16

FROM:  John Mueller, Extension Soybean Pathologist, Edisto Research and Education Center YOU CAN NOW ADD ORANGEBURG COUNTY TO THE LIST OF COUNTIES WITH RUST IN SOUTH CAROLINA.   RUST HAS NOW BEEN FOUND ON SOYBEAN IN COLLETON, BAMBERG, AND ORANGEBURG COUNTIES.  … Continue reading

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Powdery Mildew on Fall Watermelon

Clemson Plant Pathologist Tony Keinath recently found powdery mildew in his fall watermelon plots at the Coastal REC in Charleston.  He says this is the first time he has observed powdery mildew on fall watermelon, and its likely because the … Continue reading

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