Tag: weeds
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Question of the Week – Cudweed
This week, the question was: What is this cool season weed? This is a species of cudweed (Gnaphalium sp.). Cudweed grows in a rosette form through most of the winter until the weather warms up, allowing it to produce inflorescence. Inflorescence may appear in the fall as well. The undersides of the leaves are light-colored,…
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Weekly Field Update – 9/20/21
Coastal Region Rob Last reports, “Fall cucurbit crops, including cantaloupes, and watermelons are ripening and approaching harvest. Disease pressure from powdery mildew and gummy stem blight have really increased significantly over the last week. Maintaining a tight spray program will be key to managing disease. As we look forward to strawberry planting land is being prepared. If…
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Weekly Field Update – 9/13/21
Coastal Region Zack Snipes reports, “We had a heavy downpour of rain last week surpassing 2.5 inches in some spots. I am seeing downy mildew in cucumbers and lots of gummy stem blight in winter squash and pumpkins. The worm pressure has lessened in the past few weeks. I am seeing lots and lots of…
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Weekly Field Update – 6/7/21
The Coastal Research and Education Center Field Day is coming up on June 17 beginning at 8:30. You must register to attend this year. Registration may be found here. Statewide Dr. Matt Cutulle reports, “The coastal rain events of the past week resulted in a lot of weeds popping up. For fields not planted yet…
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Weekly Field Update – 1/19/21
Remember to check out the “Upcoming Events” tab for upcoming meetings. The next one is this Wednesday (1/21/21) at 6pm. Dr. Brian Ward will be discussing fertility for organic crops. Statewide Dr. Matt Cutulle reports, “Burndown herbicide efficacy can be reduced in colder weather, especially systemic products such as glyphosate (Reduced translocation in the cold…
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Weekly Field Update – 1/11/21
Coastal Rob Last reports, “Vegetable crops are growing out of the impacts of frost well. There is active Alternaria in places on brassica crops. Insect activity in vegetable crops in the area remains low. Strawberry crops are moving well with a few spider mites and aphids being observed. Remember if mite treatment is needed use a specific…
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Weekly Field Update – 9/8/20
Statewide Dr. Matt Cutulle reports, “With all the rain we had in August the weed seed bank is starting to pop. Nutsedge pressure can be really tough in September. For fall cole crop plantings, it is important to initiate the stale seed bed technique (allow weeds to come up and burn them down multiple times…
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Weekly Field Update – 8/3/20
Statewide Dr. Matt Cutulle reports, “Hurricanes or tropical storms can lead to increased seed dispersal from seeds that can be transported by wind and water. Two notorious weeds that come to mind when planning for hurricanes are Horseweed (Conyza canadenis), which due to lightweight seeds and plant architecture can be dispersed for miles during wind…
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Field Update – 7/13/20
Coastal Zack Snipes reports, “Summer crops are all but about done. The afternoon thunderstorms, humidity, and heat have just about finished off the tomato and watermelon crops. Growers are getting fields ready for the fall season now. Consider putting up deer fencing now before crops are planted. Midlands Justin Ballew reports, “We got some more…
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Field Update – 6/15/20
Statewide The video below is from Vegetable Weed Specialist Matt Cutulle. It shows a flame weeder attachment killing weeds around the edges of a field. The person walking behind the tractor is using a flame weeder with a propane tank on his back. These are good options for weed control in organic fields. Coastal Zack…
The South Carolina Grower 