U.S. announces harmonized diquat MRL for pulse crops


The U.S. Environmental Protection Agency (EPA) has harmonized diquat maximum residue limits (MRL) with Canada for group 6c (pulse crops), according to Pulse Canada.

The regulation, in effect as of today, establishes tolerance of Group 22 active ingredient diquat in peas, dry beans, and shelled beans, but excludes soybeans. The MRL is set at 0.9 parts per million (ppm).

Diquat is the active ingredient in Syngenta products such as Reglone, Reglone Ion, and Desica, and is used as a pre-harvest aid in a variety of crops, including pulse crops.

The request for harmonized MRLs came from Syngenta Crop Protection for tolerances under the federal food, drug, and cosmetic act.

“This is what Pulse Canada and our members have been working toward, and from our perspective is overall good news for pulse growers and the trade,” says Jeff English, vice president of marketing and communications for Pulse Canada.

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