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north carolina

Detection of cotton leafroll dwarf virus in North Carolina

cotton blue disese

• By Anders Huseth • In late August 2019, cotton leafroll dwarf virus awas confirmed in a cotton sample submitted to Auburn University’s CLRDV working group. The sample was collected from a variety trial located at the Sandhills Research Station in Montgomery County, North Carolina. This is the first detection of this insect-transmitted plant virus in NC. Earlier in the ... Read More »

Management Considerations For The Rest Of 2019

Gaylon Morgan/Texas A&M University Agriculture & Life Sciences

• By Guy Collins and Keith Edmisten • Statewide, the 2019 crop continues to be the most variable crop that we’ve seen in quite some time, primarily due to planting date, timing and duration of drought/heat stress, and spotty rains. In some areas, the crop varies widely within a small area, while other areas are somewhat more uniform. This variability ... Read More »

Cotton Cercospora Leaf Spot Observed Across North Carolina

cercospora leaf spot

• By Lindsey Thiessen • Cercospora leaf spot of cotton (Fig. 1), caused Cercospora gossypina (syn. Mycosphaerella gossypina), has been observed across North Carolina cotton growing regions. Foliar symptoms include reddish lesions that enlarge to have white to light brown centers. These symptoms may also be similar to other foliar diseases, like Stemphylium leaf spot or Alternaria leaf spot. Symptoms ... Read More »

Hooked On Cotton

keith edmisten

I grew up in Harmony, North Carolina, a small town in the Piedmont. Our farm primarily had beef cattle, beans, corn and small grain all grown on the typical red clay soils of the Piedmont. My father and grandfather farmed together. We had a 5-acre cotton allotment, but we quit growing cotton when I was young. Small cotton and tobacco ... Read More »

Should You Spray 3-Gene Bt Cotton For Bollworm Resistance Management?

bollworm trials in cotton

• By Dominic Reisig • The short answer is no way! The following are data and logic to support this position. First, we have replicated trials in North Carolina, South Carolina, and Georgia over multiple years stacking up non-Bt, Bollgard II, TwinLink, TwinLink Plus, WideStrike and WideStrike 3 cotton sprayed and unsprayed for bollworms. In one test, our bollworm pressure ... Read More »

Plant Disease Detection Using Smartphone Goes High Tech

smartphone disease detection

North Carolina State University researchers have developed a handheld device that can be plugged into a smartphone to help farmers identify plant diseases in the field. “All plants release VOCs (volatile organic compounds) as they ‘breathe,’ but the type and concentration of those VOCs changes when a plant is diseased,” says Qingshan Wei, an assistant professor of chemical and biomolecular ... Read More »

Field Repair and Burndown: Tillage Effects on Weeds

rutted north carolina field

• By Charlie Cahoon and Wes Everman • Most folks are trying to put the 2018 growing season behind them, especially with the abnormally wet, hurricane-ridden, and drawn-out harvest season. However, traveling around the state this Extension season, we’ve observed many ruts which serve as a constant reminder of the challenges faced during 2018, and are now carrying into 2019. With ... Read More »