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“Miracle” Weed Killer Dicamba was Supposed to Save Farms – Instead it’s Devastating Them

Dicamba_damage_in_grapes_1200x600 [1]

by CAITLIN DEWEY [2]
Pittsburgh Post-Gazette [2]

Excerpts:

Clay Mayes slams on the brakes of his Chevy Silverado and jumps out with the engine running, yelling at a dogwood by the side of the dirt road as if it said something insulting.

Its leaves curl downward and in on themselves like tiny, broken umbrellas. It’s the telltale mark of inadvertent exposure to a controversial herbicide called dicamba.

“This is crazy. Crazy!” shouts Mayes, a farm manager, gesticulating toward the shriveled canopy off Highway 61. “I just think if this keeps going on. . .”

“Everything’ll be dead,” says Brian Smith, his passenger.

The damage here in northeast Arkansas and across the Midwest – sickly soybeans, trees and other crops – has become emblematic of a deepening crisis in American agriculture.

Farmers are locked in an arms race between ever-stronger weeds and ever-stronger weed killers.

The dicamba system, approved for use for the first time this spring, was supposed to break the cycle and guarantee weed control in soybeans and cotton. The herbicide – used in combination with a genetically modified dicamba-resistant soybean – promises better control of unwanted plants such as pigweed, which has become resistant to common weed killers.

The problem, farmers and weed scientists say, is that dicamba has drifted from the fields where it was sprayed, damaging millions of acres of unprotected soybeans and other crops in what some are calling a man-made disaster. Critics contend that the herbicide was approved by federal officials without enough data, particularly on the critical question of whether it could drift off target.

Read the full story at the Pittsburgh Post-Gazette [2].