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Imazapyr 4 SL

SnapshotID: 46717

Active ingredients

Imazapyr Isopropylamine Salt

Classification

B

- Herbicide, Postemergence- Herbicide, Preemergence- Herbicide

WSSA mode of action

2Inhibition of acetolactate synthase ALS (acetohydroxyacid synthse AHAS)

Registration

EPA:81927-24

Pests

Alder Alder, Red Alligatorweed Arrowhead, Duck-potato Arrowweed Ash Aspen Autumn-olive Bacopa, Lemon Bahiagrass Bamboo, Golden Japanese Bamboo, Japanese Barley, Little Barley, Wild Barnyardgrass/Watergrass Beardgrass Bedstraw Beech, American Bermudagrass Bindweed, Field/European Bindweed, Hedge Birch Bishopsweed, Mock Blackgum Blueberry Bluegrass, Annual Bluegrass, Canada Bluegrass, Kentucky Bluestem, Big Box Elder Brome, Downy Brome, Smooth Buckwheat, Wild Bulrush, Softstem Burclover Burdock Bursage, Skeletonleaf Bursage, Woollyleaf Buttercup, Smallflower Camelthorn Camphorweed Canarygrass, Reed Cane, Wild Carpetweed Carrot, Wild Cattail Ceanothus Cheat /Cheatgrass Cherry Chickweed, Common Chickweed, Mouseear Chinaberry Chinquapin Christmasberry Clover Clover, Hop Clover, White Cocklebur, Common/Heartleaf Coco Yam Cogongrass Cordgrass, Prairie Cottonwood, Black Crabgrass Cress, Hoary/White Top Crowfootgrass Cudweed Cupgrass, Woolly Cutgrass, Giant Cypress Cypress, Bald/Swamp Daisy, Oxeye Dallisgrass Dandelion Dasheen Dewberry Dock Dogfennel Dogwood Dropseed, Sand Duckweed Duckweed, Giant Elephant Grass Elephant, Ear Elm Eucalyptus Feathertop Fescue Fetterbush, Lyonia Fiddleneck, Coast Filaree Fleabane Foxtail /Bottlegrass/Pigeongrass Frogbit, American Geranium, Carolina Goldenrod Goosefoot, Nettleleaf Goosegrass Grape, Wild Greenbrier Guineagrass Hawthorn Henbit Hickory/Hickory Nut Honeysuckle Horseweed/Marestail Huckleberry, Evergreen Itchgrass Johnsongrass Johnsongrass, Seedling Junglerice Kangkong Knapweed Knapweed, Diffuse Knapweed, Russian Knotweed Knotweed, Japanese Knotweed, Prostrate Kochia Kudzu Lambsquarters, Common Lespedeza Lettuce, Miner's Lettuce, Wild Locust, Black Locust, Honey Loosestrife, Purple Lovegrass Madrone/Pacific Madrone Maidencane Mallow, Little Maple Maple, Bigleaf Maple, Red Melaleuca Milkweed Morningglory Morningglory, Swamp Muhly, Wirestem Mulberry Mullein Mustard, Indian Napiergrass Nettle, Stinging Nightshade, Silverleaf Nightshade, Wetland Nutgrass Nutsedge Oak Oak, California Black Oak, Tan/Tanbark Oat, Wild Orchardgrass Panicum, Browntop Panicum, Fall Panicum, Texas Panicum/Panicgrass Paperbark Tree Paragrass Parrotfeather Parsnip, Wild Pennywort Peppertree, Brazilian Pepperweed /Peppergrass Persimmon, Common/Eastern Phragmites Pickerelweed Pigweed Pine Plantain Poison-hemlock Poison-ivy Poison-oak Pokeweed Pokeweed, Common Popcorn-tree Poplar Primrose Privet, Common Puncturevine Purslane Pusley, Florida Quackgrass Rabbitbrush, Gray/Rubber Ragweed, Common/Short Ragweed, Giant Ragweed, Western Redvine Reed, Common Reed, Giant Rocket, London Rose, Macartney Rose, Multiflora Rose, Swamp Rose, Wild/Briar Rubus Rush, Flowering Russian-olive Ryegrass, Italian/Annual/Common Saltbush/Orach Saltcedar Saltcedar, Fivestamen Saltgrass Saltgrass, Inland Sandbur, Field Sandbur/Grassbur/Sandspur Sassafras Shepherd's-purse Signalgrass, Broadleaf Skeletonweed, Rush Smartweed Snakeweed, Broom Soda, Apple Sorrel Sourwood Sowthistle Sparkleberry Spatterdock Spinach, Water Sprangletop Spurge, Annual Staggerbush Starthistle, Yellow Stubble, Cut Stumps Sumac Sunflower Sweetclover Sweetgum Sycamore, American Tallowtree, Chinese Tamarisk Tansymustard Tansymustard, Pinnate Taro, Wild Thistle, Bull Thistle, Canada Thistle, Russian Thistle, Texas Threeawn, Prairie Timothy Titi, White Torpedograss Tree-of-Heaven Trumpetcreeper Turnip, Wild Vaseygrass Velvetleaf Vervain, Hoary/Tall Virginia-creeper Waterhyacinth Waterlettuce Waterlily, American White Waterprimrose, Perennial Waterwillow, American Weeds, Annual Weeds, Broadleaf, Perennial Weeds, Grassy Weeds, Grassy, Perennial Weeds, Herbaceous Willow Witchgrass Woodsorrel, Yellow Yellow-poplar/Tulip Tree

Sites

Alder Alder, Red Aquatic, Surface Ash Asphalt, Under Bahiagrass, Dormant Bays/Coves Beech, American Bermudagrass, Common, Suppression/Seedhead Inhibition Bermudagrass, Dormant Birch Black gum Blueberry Bog Box Elder Canals/Ditches, Drainage Canals/Ditches, Irrigation Cart Path Ceanothus Cherry Chinaberry Chinquapin Conifer Release Conifer, Forestry Cottonwood Cypress, Bald Dogwood Driveways, Along Estuaries Eucalyptus Fetterbush Fir, California Red Fir, California Red, Release Fir, Douglas Fir, Douglas, Release Fir, White Fir, White, Release Forest Land Grass/Turf, Cool Season/Northern Ground, Bare Hawthorn Hemlock, Western Hickory Huckleberry Industrial Sites Irrigation Water Lakes/Ponds Lawns/Turf, Roadside Madrone Maple Maple, Bigleaf Maple, Red Marshes/Marshy Areas Melaleuca Mulberry Oak Oak, Black Olive, Autumn Parking Areas Pasture, Grass Paths/Trails Paved Surfaces, Under Pepper, Brazilian Persimmon Pine, Jack Pine, Jack, Release Pine, Loblolly Pine, Loblolly x Pitch Hybrid Pine, Loblolly x Pitch Hybrid, Release Pine, Loblolly, Release Pine, Lodgepole Pine, Lodgepole, Release Pine, Longleaf, Release Pine, Longleaf/Southern Pine, Pitch Pine, Pitch, Release Pine, Ponderosa, Release Pine, Ponderosa/Western Pine, Shortleaf Pine, Shortleaf, Release Pine, Slash Pine, Slash, Release Pine, Sugar Pine, Virginia Pine, Virginia, Release Pine, White/Eastern White Pine, White/Eastern White, Release Poison oak Pond Liners, Under Popcorn-tree Poplar /Aspen Privet, Common Rangeland Recreational Areas Redwood, Coastal Reservoirs Residential Areas Rights-of-way Rivers/Streams Saltcedar Sassafras Seeps Sourwood Sparkleberry Spruce, Black Spruce, Black, Release Spruce, Red Spruce, Red, Release Spruce, White, Release Spruce, White/Black Hills/Alberta Staggerbush Streams, Quiescent Sumac Swamps Sweetgum Sycamore Tallow Tree, Chinese Tanoak Tennis Court Terrestrial Site Titi Tree-of-heaven Tulip Tree, American/Yellow Poplar Water, Brackish Water, Flowing Wetland Areas Willow

Temperature range

Min 10°F
Max

Restrictions

Available for use in the following states

Available

Not available

Caution

Product safety

Protections

Early entry

Coveralls Shoes plus socks Chemical-resistant gloves made of any waterproof material Protective eyewear

Personal Protection

Long-sleeve shirt and long pants Shoes plus socks Chemical-resistant gloves for all mixers and loaders, plus applicators using hand-held equipment

Restricted Entry Interval

48 hours

Precautions

May be exposed to direct sunlight

Is not vulnerable to flame or sparks

May be stored in a damp place

May be stored in a warm place

May be frozen