How To Use Rate
0.53–0.80 oz/A (see weed table below) Rice should be 4 leaf up to panicle initiation
Timing Booster
Add 28% or 32% urea ammonium nitrate (UAN) to Regiment CA . UAN is not a substitute for an approved surfactant, but it should be used if not included in the adjuvant mixture. Always use an approved surfactant with Regiment CA . Refer to the Regiment CA Approved Surfactants Bulletin for a list of products. Ground: 15–20 gal/A Air: 10 gal/A (refer to County Ag Commissioner for specific buffer zones and regulations for applying Regiment CA )
Surfactant
Method
Regiment CA Use Rate for California Weeds Weeds Controlled Weed Size
Rates (oz/A)
Arrowhead, California
1 leaf up to flower initiation 1 leaf up to “spoon leaf”
Ducksalad
Waterhyssop Monochoria
1 leaf up to 4 leaf
0.53–0.67
1 leaf up to flower initiation 1 leaf up to flower initiation 1 leaf up to flower initiation
Gregg’s arrowhead
Waterplantain
Watergrass
2 leaf to 2 tillers 2 leaf up to 3 tillers 5 leaf up to 3 tillers 5 leaf up to 2 tillers
0.53–0.67
Barnyardgrass
Watergrass, resistant biotypes Watergrass, late ( E. phyllopogon )
0.67–0.80
0.80*
Weeds Suppressed
Weed Size 1 to 4 inches
Rates (oz/A)
Redstem
0.53–0.67
Ricefield bulrush 2 leaf up to flower initiation *When treating resistant late watergrass, use the 0.80 oz/A rate plus appropriate surfactant. Do not mix Regiment CA with insecticides or other herbicides. In fields where there are severe populations of resistant late watergrass, it may be necessary to make an additional application of another herbicide.
Products That Work, From People Who Care ® | valent.com | 800-6-VALENT (682-5368) Always read and follow label instructions.
League and Products That Work, From People Who Care are registered trademarks of Valent U.S.A. LLC. Abolish , Bolero and Regiment are registered trademarks of Kumiai Chemical Industry Co., Ltd. BUTTE is a registered trademark of Gowan Company, L.L.C. Cerano is a registered trademark of Wilbur-Ellis Company LLC. ©2024 Valent U.S.A. LLC. All rights reserved. Printed in the U.S.A. 2024-REGCA-8002 1/24
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