Category Archives: Weeds

Yield Reports on Dicamba Injured Soybeans

Author: Larry Steckel, Extension Weed Specialist Comments Off on Yield Reports on Dicamba Injured Soybeans

The question going into this fall is how much yield loss have the dicamba injured soybeans sustained?  As with every concern with this dicamba drift mess, the answers are hard to get and then the results are often a mixed bag. Continue reading

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Defoliation window closing?

Author: Tyson Raper, Cotton & Small Grains Specialist Comments Off on Defoliation window closing?

If historical weather trends are true and our forecast holds, we are staring at one of the last opportunities to use moderate to warm temperatures to coax leaves off and open bolls.  The long term forecast suggests low temperatures next week will consistently fall below 60F with a few nights forecast to touch the low 50s.  Furthermore, rain is in the forecast over the weekend/through the beginning of next week.

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Consider Establishing a Cover Crop this Fall

Author: Drake Copeland 1 Comment
Soybeans in a cereal rye cover crop

PPO-resistant Palmer amaranth has required growers to adapt to an integrated weed control approach with the assistance of the new technologies available. The adoption of cover crops in the state has shown to be a major tool for successfully controlling Palmer amaranth. Furthermore, Palmer amaranth infested fields in Tennessee are cleaner this year compared to the last decade. Continue reading

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Dicamba Drift Round 2

Author: Larry Steckel, Extension Weed Specialist Comments Off on Dicamba Drift Round 2

Dicamba drift calls had died down for a short spell but really blew back up in the last few days (7/28 to 8/3). Clearly a good bit of late planted Xtend soybeans were sprayed with a dicamba product about 14 days ago.  Continue reading

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Dicamba Residue: What does ppb (parts per billion) mean in the field?

Author: Larry Steckel, Extension Weed Specialist Comments Off on Dicamba Residue: What does ppb (parts per billion) mean in the field?

I posed this question to my colleague Dr. Tom Mueller after receiving a lab report from a tissue sample submitted from a field that had suspected dicamba injury.  I wish to thank him for his thorough explanation which helps make sense of the report.  His response is below: Continue reading

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Soybean Scout School Reminders (Monday and Friday)

Author: Scott Stewart, IPM Extension Specialist Comments Off on Soybean Scout School Reminders (Monday and Friday)

Haywood County – Monday morning, July 17, 9:00 AM (Robert Thornton Farm, GPS: 35.469042, -89.397213). Location is field side on US-70/US-79/TN-1/1st St E approximately 1/4 mile north of Stanton, TN Link to Flyer

Henry County – Friday, July 21, 9:30 AM (Norwood Farms, 645 Norwood Road, Mansfield, TN) Link to Flyer

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Post-Direct and Hooded Mixtures

Author: Larry Steckel, Extension Weed Specialist Comments Off on Post-Direct and Hooded Mixtures

Many cotton acres are nearing the true “laying it by” application timing.  Given all the drift issues going back to an “old school” layby is a very good plan.  Continue reading

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