Tag: Disease
-
Field Update – 9/16/19
Coastal Dr. Tony Keinath reports, “Watermelons with symptoms resembling cucurbit leaf crumple virus (CuLCrV) were found at the Coastal REC after Hurricane Dorian. Whiteflies were present before the hurricane, so they did not arrive with the hurricane. Laboratory confirmation is in progress. Preventative applications of insecticides to manage whiteflies is the best management option. CuLCrV…
-
Field Update – 9/9/19
Coastal Region Zack Snipes reports, “Hurricane Dorian caused some damage, but it could have been a lot worse. There are some trees down and some fields are flooded. We’re still figuring out the extent of the damage. Be sure to take lots of pictures for insurance. Remember, all produce that was flooded cannot legally be…
-
Field Update – 8/26/19
Coastal Region Dr. Tony Keinath reports, “Phytophthora crown rot was observed on bronze fennel in a home landscape (mine) in Charleston. Fennel apparently is a new host for Phytophthora (species not identified). Foliar symptoms include a progressive yellowing, starting with the older leaves. Symptoms on the lower stem and leaf sheath are a water-soaked, “greasy”…
-
Field Update – 8/19/19
Coastal Region Dr. Tony Keinath reports, “Phomopsis blight is showing up on eggplant at the Coastal REC. On susceptible cultivars, like ‘Black Beauty,’ the disease starts as leaf spots; later in the season stem cankers and fruit rot appear. Although several fungicides are registered on eggplant, none are specifically labeled for Phomopsis blight. Aprovia Top…
-
Field Update – 7/29/19
Coastal Region Zack Snipes reports, “We are harvesting the last remaining things in the fields, preparing fields for fall planting, and planting fall pepper and tomato. I found an interesting disease in watermelon this week that is known as bacterial rind necrosis. While it is not entirely known what factors and pathogens cause the disease,…
-
Field Update – 7/15/19
Coastal Region Zack Snipes reports, “Most crops are finished here in the Lowcountry. There are a few crops that are being harvested for the final time this week. Fall watermelon and tomato are in the ground already. I saw some interesting cucumber beetle larvae damage on watermelons this past week. This type of damage will…
-
Alternaria Leaf Blight Common This Year
From Clemson Extension Plant Pathologist Tony Keinath. During the 2019 Cantaloupe Disease Survey, Alternaria leaf blight has been found in several fields. It was more common in fields that had not been sprayed recently than in fields sprayed on a regular schedule. It also was found in a field rotated only one year out of…
-
Field Update – 6/17/19
Coastal Region Zack Snipes reports, “We received a good amount of rain last week. Some farms got just the right amount while others received 15 inches or more. I am seeing disease now that the rain has passed in all crops, especially the tomato and cucurbit crops. Keep on top of your spray programs to finish the…
-
Field Update – 6/10/19
Statewide Dr. Tony Keinath reported downy mildew being found on cucumbers in Bamberg County this past week. He cautioned all cucumber, cantaloupe, and watermelon growers to begin preventative sprays, if they are not already doing so. Refer back to this post for more info. Coastal Region Zack Snipes reports, “We finally got some much needed…
The South Carolina Grower 