By Clint Thompson, University of Georgia
Dicamba and 2,4-D herbicides, sprayed directly on trees at full rates, kill the plant material they touch, but they don’t travel through the tree or linger from year to year, according to a newly released University of Georgia Cooperative Extension pecan study. The study also found that drift from the herbicides does not hurt the trees.
UGA Extension pecan specialist Lenny Wells and UGA Extension weed scientist Eric Prostko researched the effects of low and high concentrations of dicamba and 2,4-D herbicides on pecan trees at the university’s Ponder Farm in Tifton, Georgia. They studied 5-, 8- and 9-year-old ‘Desirable’ pecan trees. No data was collected on older trees. Continue reading
Filed under: news | Tagged: 2 4-D, dicamba, Eric Prostko, herbicide damage, herbicides, UGA Extension | Leave a comment »