Category Archives: Disease

Cucurbit Downy Mildew Found in SC

This past week cucurbit downy mildew was found in Charleston and Horry Counties.  Downy mildew blows in from the south in the summer and is a very serious disease once it is established.  Anyone growing cucurbit crops (cucumber, watermelon, squash, … Continue reading

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Asian Soybean Rust Found in SC

FROM:  John Mueller, Extension Soybean Pathologist, Edisto Research and Education Center RUST WAS FOUND LAST WEEK ON SOYBEAN IN SOUTH CAROLINA IN A FIELD IN COLLETON COUNTY Last week rust was found in a field in Colleton County.  We have … Continue reading

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Southern Rust Found in SC

Southern rust was found yesterday just outside of Jackson, SC near Aiken.  If growers in the Pee Dee haven’t applied a preventative fungicide yet, now would be a good time to start getting ready.  We still haven’t seen rust in … Continue reading

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Black Shank Found Early in SC Tobacco

Late last week, Phytophthora nicotianae (Black shank) was observed in an Horry County tobacco field. Although black shank is a fairly common tobacco disease in our area, it is uncommon to see the symptoms this early in the growing season. … Continue reading

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Late Blight of Tomato/Potato Found in SC

PDF with working links:  Late Blight Pot/Tom 2016

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Leaf Rust Found in Wheat

Leaf rust (Puccinia triticina) was found this week in Dillon  County on wheat that is close to heading.  Everyone growing wheat should scout their fields for rust as soon as they can. The ideal time to apply preventative fungicides to … Continue reading

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2016 Watermelon Disease Control Guide

Clemson Extension Plant Pathologist Tony Keinath has just released the latest version of the Watermelon Spray Guide.  We still have a little while before planting, so click on this link to save the pdf version for later.

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Disease and Mite Update in Peanuts

Here is a disease and mite update from Clemson Peanut Specialist Jay Chapin. Pretty simple:  We need water not just to fill pods, but also to suppress mites, lesser cornstalk borer, and burrower bugs.   All of our most serious peanut … Continue reading

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Corn Maturing

Corn crops in the Pee Dee are pretty variable this year.  Irrigated corn is looking good and growers are expecting to see high yields.  On the other hand, dryland corn is all over the map.  Some fields managed to catch … Continue reading

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Question of the Week: TSWV

Last week the question was:  What is wrong with this tomato? This tomato is showing symptoms of Tomato Spotted Wilt Virus (TSWV).  TSWV is vectored by thrips and can infect a number of crops like tomatoes, peppers, tobacco, and peanuts. … Continue reading

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