Quinclorac

What Is Quinclorac?

Quinclorac is a post-emergent herbicide found in the product Drive.  It is most often used in the control of crabgrass, sedges, and broadleaf weeds.

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Drive XLR8 Herbicide Crabgrass Killer Quick View
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A professional selective post-emergent herbicide with excellent control of crabgrass and several other common weeds and grasses.
4.5 out of 5 stars (124)
$59.98
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A professional selective post-emergent herbicide that controls broad-leaf and grassy weeds for commercial & residential turf-grass on golf courses and sod farms.
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$55.62
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A professional selective post-emergent herbicide for grassy and broadleaf weeds on cool-season & bermuda grass turfs.
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$22.28
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A selective post-emergent herbicide that kills broad-leaf weeds PLUS Crabgrass without harming the lawn.
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$20.42
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A selective post-emergent herbicide that controls Crabgrass and broad-leaf weeds on cool and warm season grasses.
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$193.67
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A professional selective post-emergent herbicide that controls crabgrass, sedges and broad-leaf weeds in cool & warm-season grasses.
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$64.89
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A professional selective post-emergent herbicide to be used on cool and warm-season grasses for commercial and residential areas.
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$74.45
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A professional selective post-emergent herbicide that controls grassy weeds and some broad-leaf weeds in commercial cool & warm-season turf and sod farms.
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$119.15
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A selective post-emergence herbicide which controls annual grasses, broadleaf weeds and sedges in established turf areas.
3.5 out of 5 stars (3)
$74.99
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A professional selective post-emergent herbicide that provides control for crabgrass and broad-leaf weeds for commercial & residential turf-grass including golf courses & sod farms.
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$29.60
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A highly effective herbicide that is proven to target and eliminate crabgrass and other unwanted weeds.
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$29.74
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A professional concentrated herbicide that controls over 200 common broadleaf weeds and emerged grassy weeds and features 6 to 8 hours of rainfast.
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A professional post-emergent herbicide with 3 active ingredients for over 200 broad-leaf weeds on cool & warm-season grasses.
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$18.99
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A professional herbicide that controls more than 200 broadleaf weeds and is proven rainproof for an hour after application.
$19.47
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A selective post-emergent herbicide that kills broad-leaf and grassy weeds plus Crabgrass in cool & warm-season lawns.
2.5 out of 5 stars (5)
$28.22
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A post-emergent herbicide that controls crabgrass and other broad-leaf weeds for both warm and cool season turf.
5 out of 5 stars (3)
$80.50
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Group 4 herbicide formulated with quinclorac to improve control of crabgrass at all growth stages.
$48.89
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A selective post-emergent herbicide that has three active ingredients which provide post-emergent control of broad-leaf and grassy weeds on commercial and residential turf-grass.
$22.03
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A professionally made herbicide that kills all listed weeds while causing no damage to your lawn.
2.5 out of 5 stars (3)
$324.08
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A selective herbicide that provides post-emergent control of over 200 broadleaf weeds and grassy weeds.
2 out of 5 stars (5)
$25.08
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A selective post-emergent herbicide in a Ready-to-Spray (RTS) bottle that connects to the garden hose for cool & warm-season grasses.
3 out of 5 stars (1)
$28.59
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A selective post-emergent herbicide hose-end sprayer that kills over 200 types of weeds to the roots.
$19.30
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A ready-to-use selective herbicide kills tough weeds like crabgrass and dandelion without harming the lawns.

What does post-emergent herbicide mean?

This simply means that the chemcial chemical is most effective when applied directly dto target weeds after they have emerged from the soil. Refer to our Pre-Emergent Herbicides page for more information.
 

Mode of Action

Quinclorac is a synthetic auxin herbicide. This type of herbicide disrupts plant growth by interfering with protein synthesis and hormone balance. Scientist remain believe synthetic auxins have several sites of action but remain unclear on the exact mode of action.
 

Quinclorac Uses

Quinclorac is labeled for use in residential and commercial areas, including industrial turfgrasses, sod farms, sports fields, parks and golf courses.
 

Toxicity

Quinclorac is labeled by the EPA as "slightly toxic", a potential ground water contaminant, and highly toxic to fish.
 

Herbicide Products Containing Quinclorac

Solitare Herbicide - 1 lb.
Drive XLR8 Herbicide Crabgrass Killer

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