EPA approves Vexis Herbicide Granular

EPA approves Vexis Herbicide Granular

PBI-Gordon herbicide offers control of sedges and kyllinga species.

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January 23, 2019

PBI-Gordon Corporation has announced the EPA recently approved federal registration for Vexis Herbicide Granular. It will be available for sale in mid-2019.
 
Based on a new proprietary active ingredient, Pyrimisulfan, Vexis is the result of an exclusive partnership between PBI-Gordon, Kumiai Chemical Industry Co., Ltd. and their US subsidiary K-I Chemical U.S.A Inc.
 
Vexis is formulated for use on residential and commercial sites, sports facilities, and golf course tees, fairways and roughs. Primary features include:
 
--Excellent post-emergent control of sedges and kyllinga species, including purple and yellow nutsedge, cockscomb, and false green kyllinga.  
 
--A low-rate, non-phenoxy product, Vexis has exhibited activity against weeds that have developed resistance to ALS-inhibiting herbicides. Application rate is .03 to .06 pounds AI/Acre. Maximum annual use rate is .09 lbs. AI/Acre. Re-treatment after 30 days is allowed. 
 
--Vexis can be used on a wide variety of cool- and warm-season turfgrasses: Kentucky bluegrass, fine and tall fescues, perennial ryegrass, bentgrass, bermudagrass, bahiagrass, buffalograss, kikuyugrass, seashore paspalum, St. Augustinegrass (including improved varieties), and zoysiagrass. 
 
The first registered products containing Vexis will be in a granular formulation, which will help reduce off-target drift and volatility compared to products currently available. It will be sold in a two-pound “shaker” can and in a 35-pound bag. It will be available alone or in combination with other active ingredients.