Chemigation control of sugarcane aphids a viable option

by Kay Ledbetter, Texas A&M AgriLife

Producers might hear a term from the past when they begin looking for solutions to treat the sugarcane aphid in sorghum, according to a Texas A&M AgriLife Extension Service specialist.

“We are revisiting chemigation for insect pest management,” said Dr. Ed Bynum, AgriLife Extension entomologist in Amarillo, while speaking at the High Plains Irrigation Conference in Amarillo recently. Continue reading

Outcrossing between johnsongrass, sorghum studied

Dr. Muthu Bagavathiannan, Texas A&M AgriLife

Johnsongrass and sorghum might be considered “kissing kin,” but a Texas A&M AgriLife Research team wants to know if there is more going on in the grain sorghum production fields and bar ditches of South and Central Texas than meets the eye.

Dr. Muthu Bagavathiannan, weed scientist; Dr. Bill Rooney, sorghum breeder; and Dr. Patricia Klein, sorghum geneticist and molecular biologist, all with AgriLife Research in College Station, have teamed up to study gene flow between sorghum and johnsongrass. Continue reading

Exotic snail poses threat in Louisiana and Texas

In Delta Farm Press

The apple snail, an exotic pest causing problems for Louisiana and Texas rice and crawfish operations, likely became established as a result of aquarium owners dumping the large snails.

The pests pose a double threat — they have a big appetite for vegetation, according to specialists at Louisiana State University. They also clog crawfish trap openings and tunnel through rice levees. Continue reading

Win the war against weeds in warm-season pastures

by Adam Russell, Texas A&M AgriLife

Weeds in warm-season pastures can be an annual battle, and producers should prepare their spray equipment to win the war, said a Texas A&M AgriLife Extension Service expert.

Now is a good time to calibrate equipment and reflect on the previous year’s weed and pest insect issues to apply successful treatments to warm-season pastures, said Dr. Vanessa Corriher-Olson, AgriLife Extension forage specialist, Overton.  Continue reading

Hit the Target website a tool for producers on both sides of auxin training

by Kay Ledbetter, Texas A&M AgriLife

While cotton and soybean producers across Texas are getting the do’s and don’ts for applying new chemical formulations to their crop, the education is being extended to producers with sensitive or susceptible crops to protect their investments.

Texas A&M AgriLife Extension Service personnel have more than 70 meetings planned to train producers on working with the new auxin herbicide technology in cotton and soybeans as a part of label requirements, said Dr. Scott Nolte, AgriLife Extension state weed specialist in College Station. Continue reading

Publications now available on two Edwards Plateau, Concho Valley grass invaders from Mexico

by Steve Byrnes, Texas A&M AgriLife

The Texas A&M AgriLife Extension Service has new publications on two opportunistic and invasive grasses from Mexico now spreading into some Edwards Plateau and Concho Valley pastures, said Dr. Morgan Russell, lead author of both publications.

Russell, AgriLife Extension range specialist at San Angelo, said the culprits are Mexican needlegrass, which is infiltrating mostly from oil and gas operations, and Mexican feathergrass, a popular ornamental, which is escaping landscapes and cropping up on rangeland. Continue reading

Pesticide resistant, crop threatening whiteflies found in Texas

by Adam Russell, Texas A&M AgriLife

A pesticide-resistant population of common plant-damaging whiteflies has been found in Texas, according to a Texas A&M AgriLife Extension Service specialist.

Whiteflies are sucking, insect pests similar to aphids, and damage ornamental and food plants, said Erfan Vafaie, AgriLife Extension program specialist in integrated pest management, Overton. Adults are winged while young whiteflies lie flat against leaves and can be difficult to see with the naked eye.  Continue reading