Tag: white mold
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White Mold is Active so Spray Now
From Clemson Plant Pathologist Tony Keinath and Extension Associate Justin Ballew The freezing weather the week of January 21, 2025, was just what the Sclerotinia white mold fungus was waiting for. While cold temperatures discourage most animals from being active, freezing temperatures trigger Sclerotinia sclerotia (the survival structures in soil) to germinate, produce tiny mushrooms,…
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White Mold on Kale and Other Cool-Season Vegetables
From Clemson Plant Pathologist Tony Keinath Sclerotinia white mold, a cool-season disease on several different vegetable crops, is present on collard and (probably) on kale. It is particularly common on over-wintered crops. The white mold fungus has a complex life cycle. The fungus, Sclerotinia sclerotiorum, survives long-term and over the summer as sclerotia in soil.…
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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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Question of the Week – Sclerotinia White Mold
This week, the question was: What is wrong with the stem and lower petioles of this cabbage plant? This plant is suffering from Sclerotinia white mold (caused by the fungus Sclerotinia sclerotiorum), also called Sclerotinia stem rot. This disease is commonly observed this time of year as temperatures begin to warm up. It develops a…
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Field Update – 1/27/20
Coastal Zack Snipes reports, “As the weather dipped last week I had lots of calls about covering strawberries. Some growers thought they had enough plant and blooms that they should cover while others left them exposed to the cold. On most farms, the frost damage was very minimal with only blooms facing upwards having damage. …
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Field Update – 1/21/20
Remember to keep an eye on the “Upcoming Events” tab for new meeting and workshop announcements from around the state. Statewide Dr. Tony Keinath with more on white mold. “Growers who grow sweet alyssum (Lobularia maritima, syn. Alyssum maritimum) as a nectar source for beneficial insects should be aware that sweet alyssum is susceptible to…
The South Carolina Grower 