Corn
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On Friday Andrew Shirley found Southern Corn Rust in a field in Mitchell County. Remember Southern Corn Rust is the most important disease on corn! Rain is back in the forecast for next week, which will be favorable for development of rust. Any corn that is approaching (or has passed) the tassel growth stage is…
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Late summer 2014 – We can all remember the new invasive pest that occurred last year, the sugarcane aphid (SCA). SCA infestations occurred in practically every sorghum field and in may cases resulted in production and economic losses. Please be aware that the first documented appearance on sorghum was identified this past week in Brooks…
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The Brooks County Extension office is currently conducting and/or participating in several research plots. I appreciate the Brooks County producers who are cooperating with our office and allowing this applied research work to be conducted on their farms. I am grateful for the support and participation in our…
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Here is a post from UGA Weed Scientist Eric Prostko The rainy weather this week has delayed many postemergence herbicide applications in field corn. Consequently, growers will be forced to make some tough decisions when the weather clears. Here are a few things to consider: 1) Refer to the 2015 UGA Pest Management Handbook…
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As we begin to consider and apply postemergence weed control in RR field corn, I wanted to share a mixing guideline for the corn herbicide Halex GT. Halex GT is a three way premix of glyphosate + mesotrione + s-metolachlor. This informational sheet from Syngenta provides details and mixing order recommendations when tank mixing with…
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Here is a post by Dr. Eric Prostko discussed the potential problems associated with the the use of Counter and certain postemergence herbicides in field corn. 1) Why can’t certain herbicides be used after an in-furrow (INFR) application of Counter in field corn? Organophosphate (OP) insecticides, amino acid synthesis (ALS) and certain pigment (HPPD) inhibitors are metabolized…
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Planting Date Soil temperature in the seed zone should be 55°F or greater before planting. Corn seed will sprout slowly at 55°F while germination is prompt at 60°F. Delay planting if cold weather drops soil temperatures below 55°F at the two-inch level. However, if soil temperatures are 55°F and higher, and projections are for a…
Posted in: Corn -
The Brooks County Extension Corn Production meeting was held on December 4, 2014. I wanted to share the educational material that I distributed at this producer meeting. To access the following information, click on provided links. Please call me if you have any questions or if you would like a hard copy of the 2015…
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This morning I found an interesting article on Ag Fax.com about B.t. resistant fall armyworms. Doug Johnson of the University of Kentucky wrote the article to address the state’s potential risk to the resistant population. The interest started with the discovery of a resistant population in North Carolina in field corn. Scientists from NCSU discovered this…
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Brooks County will be hosting a corn update meeting the first week of December at noon on Thursday Dec. 4th. Dr. Dewey Lee will be the speaker giving us an update on corn production for 2015. Please join us for this meeting, and be sure to call the office by noon on Dec. 2nd if you intend…
Posted in: Corn