Due to frequent rains, cloudy weather and high humidity, Choanephora blight or wet rot was found throughout a one-acre planting of green bean cultivars and breeding lines at Coastal Research and Education Center last week, according to The South Carolina Grower. Growers and home gardeners may see similar symptoms on late-planted beans throughout South Carolina. Choanephora blight is a common …
Clemson Extension Provides Weekly Crop Updates
Clemson Extension agents provide crop updates in The South Carolina Grower this week about the status of various crops being produced throughout the state. Weekly Field Update – 7/25/22 Coastal Region Rob Last reports, “In a wide range of crops, insect and disease pressure is high, with gummy stem blight across all cucurbit crops. Downy mildew is also very active. Fruit …
Clemson Extension Provides Weekly Crop Updates
Clemson Extension agents provide crop updates in The South Carolina Grower this week about the status of various specialty crops being produced throughout the state. Statewide Plant Pathologist Tony Keinath reports, “With the wet weather the past two weeks, gummy stem blight is spreading rapidly on watermelon. Because of widespread resistance to tebuconazole and the need for systemic fungicides, growers …
What’s Happening? Clemson Extension Agents Provide Weekly Crop Updates
Clemson Extension agents provide updates in The South Carolina Grower this week about the status of various crops being produced throughout the state. Coastal Region Zack Snipes reports, “The recent rains have yet again made fields sloppy and hard to harvest. Most of our tomato crop is about finished as are zucchini and cukes. We have had an unusually high amount …
What’s Happening? Clemson Extension Provides Weekly Crop Updates
Clemson Extension agents provide crop updates in The South Carolina Grower this week about the status of various crops being produced throughout the state. Coastal Region Rob Last reports, “Disease pressure is likely to continue to increase given the recent welcome rainfall. Gummy stem blight can be found in cucurbit fields along with downy mildew in cucumbers and watermelons. Maintain …
Biopesticides (Seem to) Perform Poorly Against Black Spot on Kale
From Clemson Plant Pathologist Tony Keinath in The South Carolina Grower . As part of a U.S. Department of Agriculture Organic Transitions Program grant, we tested 10 biopesticides on organic kale ‘Oldenbor’ to determine if any product controlled Alternaria leaf spot, a.k.a. black spot on kale. None look promising. No biopesticides reduced black spot on kale compared to the non-treated …
Clemson Extension Agents Provide Weekly Crop Updates
Clemson Extension agents provide crop updates in The South Carolina Grower this week about the status of various crops being produced throughout the state. Coastal Region Rob Last reports, “Pests and diseases are beginning to increase in the area. Powdery mildew is apparent in cucurbit crops. The most efficacious treatments are Vivando and Gatten. Rotation is critical to protect these …
Resistance to Tebuconazole is Widespread in Gummy Stem Blight Fungus in South Carolina
South Carolina cucurbit growers should reduce tebuconazole applications in managing gummy stem blight. The pathogenic fungus has become moderately resistant to this very commonly used fungicide, according to Clemson plant pathologist Tony Keinath in The South Carolina Grower. Seven watermelon fields were sampled in 2019 (six fields) and 2021 (one field) in Beaufort, Bamberg, Barnwell and Hampton counties. Of 229 …
What’s Happening? Clemson Extension Agents Provide Weekly Crop Updates
Clemson Extension agents provide crop updates in The South Carolina Grower this week about the status of various crops being produced throughout the state. Statewide Extension Entomologist Tom Bilbo reports, “As tomatoes and other fruiting vegetables progress, make sure you’re protecting yields from insect and mite pests. I’ve seen a fair bit of caterpillar pressure (fruitworms and loopers). Bt (DiPel, …
Downy Mildew Disease in South Carolina
Cucurbit downy mildew disease was identified this week in South Carolina, according to the The South Carolina Grower. The disease was observed in a cucumber field in Bamberg County. Clemson Extension reminds producers to make fungicide applications every seven days. Any stretch longer than this increases the potential that the disease will spread. Recommended fungicides for cucumbers include Omega (Fluazinam, …