Weed Resistance
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Using Pesticides Wisely – Georgia 2023.1. As mandated by federal labels, one must hold a private or commercial pesticide applicator license topurchase and use the restricted use herbicides Engenia, XtendiMax, and Tavium. Use is limited to ONLYthose persons holding a private or commercial applicator certification. It is no longer permissible for noncertified applicators to apply…
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As Dr. Culpepper and I have begun our annual winter weed tour around most of Georgia, one of the many things you will here us discuss is starting weed-free (clean) at planting using a combination of practices such as tillage, cover crops, and/or herbicides. The use of cover crops and tillage will vary by grower. …
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I have received this question a couple of times this week from growers and retailers with indeterminate soybeans. According to the soybean weed control section of the 2022 UGA Pest Management Handbook, paraquat can be applied to soybeans based on the following instructions. The paraquat rate according to this reference is 0.25 lb ai per acre…
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Colquitt County Cotton Defoliation and Peanut Harvest Meeting will be held on September 6, 2022 at noon. The meeting will be held at the Colquitt County Extension office in Moultrie. Drs. Camp Hand and Scott Monfort will be the keynote speakers. Cotton: Whitefly has been the topic of discussion again this week. The cotton crop…
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There has been alot of discussion about diuron in the news lately. Diuron is a very important component of cotton weed control programs for Georgia cotton growers. Dr. Stanley Culpepper expressed his concerns about this situation in a past blog post. Click below to view a letter of support (Dr. Stanley Culpepper has written a document that…
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Current Situation: The cotton crop ranges from just planted to second week of squaring. Cotton growers are applying herbicides and fertilizer to crop. Peanut growers are applying cracking sprays to try to clean up weeds. The corn crop ranges from VT (Tassel) to R2 (Blister) stage of development. Southern rust was found last week in…
Posted in: Corn, Cotton, Entolomogy, Hay & Forages, Peanuts, Plant Pathology, weather, Weed Resistance -
Current Situation: Happy Friday the 13th!! Dry conditions have set in over the last couple of weeks. According to the UGA Weather Network, the Moultrie location recorded 1.07 inches of rain over the last 31 days. The last drought monitor was released on May 12, 2022 and shows that Colquitt County is experiencing abnormally dry…
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The amount of precipitation in Colquitt County over the last seven days is shown below (4-8-22). Due to rainy field conditions, corn planting, land preparation, and burndown herbicide applications have all been paused. The corn crop is in various stages of development, from newly planted to V3. The wheat crop ranges from early heading to…
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Some responses to a few common questions this week about preplant burndowns: 1) What is the plant-back restriction for field corn following an application of 2,4-D? Plant-back restrictions for field corn after a burndown application of 2,4-D are 7 days (16 oz/A) or 10-14 days (>16 oz/A) 2) If a grower cannot wait to plant…
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Interestingly there is a lot of buzz about using grass herbicides to burndown small grain cover crops and annual ryegrass. Most of the conversations also include tank-mixing the grass herbicide with 2,4-D or dicamba and applying as a March/April burndown. Prior to making the effort and spending a significant amount of money, it might be…