Herbicide label expanded to include in-season use on tree nuts

03/15/2012 04:19:00 PM
The Grower Staff

Chateau herbicideChateau Herbicide SW from Valent U.S.A. Corp., Walnut Creek, Calif., has received an expanded label and now can be used in-season on tree nuts.

Both the U.S. Environmental Protection Agency and the California Department of Pesticide Regulation have approved the use change, according to a Valent spokesman.

Chateau already was labeled for use on non-bearing tree nuts.

The new label allows for in-season use after bloom, according to a news release.

Cheateau is a pre-emergent herbicide, meaning it is only active on weeds that have not yet germinated.

It provides long-lasting control of an array of summer broadleaf weeds, including purslane and spurge, according to the release.

Valent officials recommend tankmixing it with a post-emergent herbicide to provide even broader spectrum weed control, since the post-emerge picks up weeds that have already germinated.

Chateau contains the active ingredient flumioxazin and won't leach or volatilize, according to the release.

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