Description of Amaranth, Spiny (amaranthus spinosus):
Also called spiny pigweed, prickly amaranth, thorny amaranth. Growing to 0.6 m (2ft) by 0.2 m (0ft 8in) Two spines at the base of the leaves at each node. The color of the forewing varies in its shades of brown and gray, often yellowish-brown and distinctly lighter distally. The forewing bears distinct bean-shaped and round spots centrally, linked by a small but sharply defined black bar.
CertainLabel™
Spiny Amaranth Optimized Control Options Finder
Legend:
Control
Suppression
No Control
According to the manufacturer approved labels: The following 9 weed killers, applied at the listed application rates, will control Spiny Amaranth.
Spot Treatment
of
Label Rate:
1 - 1.5% mixture
Cost Effectiveness:
Makes 16.667 - 25 gallons
at a cost of
$0.91 - $1.36 per gallon
at a cost of
$0.91 - $1.36 per gallon
Blanket Treatment
per
Label Rate:
1.47 - 2.94 fluid ounces per 1,000 sqft
Cost Effectiveness:
Covers 10890 - 21780 square feet
at a cost of
$1.04 - $2.08 per 1,000 sqft
at a cost of
$1.04 - $2.08 per 1,000 sqft
Safe On
No safe on treatments listed. Please, review the label or contact the merchant for more information.
Spot Treatment
No spot treatment rates listed. Please, review the label or contact the merchant for more information.
Broadcast Treatment
per
Label Rate:
2.4 lbs per 1,000 sqft
Cost Effectiveness:
Covers 5000 square feet
at a cost of
$7.23 per 1,000 sqft
at a cost of
$7.23 per 1,000 sqft
Safe On
Annual Ryegrass, Bermudagrass, Buffalograss, Chewings Fescue, Fine Fescue, Hard Fescue, Kentucky Bluegrass, Perennial Ryegrass, Red Fescue, Seashore Paspalum, Tall Fescue, and Zoysiagrass
Safe Rate:
Safe Rate:
2.4 lbs per 1,000 sqft
CertainLabel™ Calculator for BioAdvanced All-in-One Weed & Feed with Microfeed Action & these grass types
Spot Treatment
per
Label Rate:
0.75 - 2.4 fluid ounces per gallon
Cost Effectiveness:
Makes 6.667 - 21.333 gallons
at a cost of
$1.20 - $3.84 per gallon
at a cost of
$1.20 - $3.84 per gallon
Blanket Treatment
per
Label Rate:
0.75 - 2.4 fluid ounces per 1,000 sqft
Cost Effectiveness:
Covers 6667 - 21333 square feet
at a cost of
$1.20 - $3.84 per 1,000 sqft
at a cost of
$1.20 - $3.84 per 1,000 sqft
Safe On
Fine Fescue, Perennial Ryegrass, Red Fescue, and Tall Fescue
Safe Rate:
Safe Rate:
1.5 - 2.4 fluid ounces per gallon
or
1.5 - 2.4 fluid ounces per 1,000 sqft
CertainLabel™ Calculator for Bonide Weed Beater Ultra Concentrate & these grass types
or
1.5 - 2.4 fluid ounces per 1,000 sqft
Bahiagrass, Buffalograss, and Centipedegrass
Safe Rate:
Safe Rate:
0.75 - 1.8 fluid ounces per gallon
or
0.75 - 1.1 fluid ounces per 1,000 sqft
CertainLabel™ Calculator for Bonide Weed Beater Ultra Concentrate & these grass types
or
0.75 - 1.1 fluid ounces per 1,000 sqft
Bermudagrass and Zoysiagrass
Safe Rate:
Safe Rate:
0.75 - 1.8 fluid ounces per gallon
or
0.75 - 1.8 fluid ounces per 1,000 sqft
CertainLabel™ Calculator for Bonide Weed Beater Ultra Concentrate & these grass types
or
0.75 - 1.8 fluid ounces per 1,000 sqft
St. Augustinegrass
Safe Rate:
Safe Rate:
0.75 - 1.8 fluid ounces per gallon
or
0.75 - 1.1 fluid ounces per 1,000 sqft
CertainLabel™ Calculator for Bonide Weed Beater Ultra Concentrate & St. Augustinegrass
or
0.75 - 1.1 fluid ounces per 1,000 sqft
Spot Treatment
No spot treatment rates listed. Please, review the label or contact the merchant for more information.
Blanket Treatment
per
Label Rate:
0.09 - 0.16 fluid ounces per 1,000 sqft
Cost Effectiveness:
Covers 199131 - 348480 square feet
at a cost of
$0.27 - $0.48 per 1,000 sqft
at a cost of
$0.27 - $0.48 per 1,000 sqft
Safe On
No safe on treatments listed. Please, review the label or contact the merchant for more information.
Spot Treatment
per
Label Rate:
6.4 fluid ounces per gallon
Cost Effectiveness:
Makes 5 gallons
at a cost of
$3.59 per gallon
at a cost of
$3.59 per gallon
Blanket Treatment
per
Label Rate:
6.4 fluid ounces per 1,000 sqft
Cost Effectiveness:
Covers 5000 square feet
at a cost of
$3.59 per 1,000 sqft
at a cost of
$3.59 per 1,000 sqft
Safe On
Bentgrass, Fine Fescue, Kentucky Bluegrass, Perennial Ryegrass, Red Fescue, Tall Fescue, and Zoysiagrass
Safe Rate:
Safe Rate:
6.4 fluid ounces per gallon
or
6.4 fluid ounces per 1,000 sqft
CertainLabel™ Calculator for BioAdvanced All in One Lawn Weed and Crabgrass Killer & these grass types
or
6.4 fluid ounces per 1,000 sqft
Spot Treatment
per
Label Rate:
0.2 ounces per gallon
Cost Effectiveness:
Makes 30 gallons
at a cost of
$1.12 per gallon
at a cost of
$1.12 per gallon
Blanket Treatment
per
Label Rate:
0.092 - 0.138 ounces per 1,000 sqft
Cost Effectiveness:
Covers 43560 - 65340 square feet
at a cost of
$0.52 - $0.77 per 1,000 sqft
at a cost of
$0.52 - $0.77 per 1,000 sqft
Safe On
Bermudagrass, St. Augustinegrass, and Zoysiagrass
Safe Rate:
Safe Rate:
0.069 - 0.275 ounces per 1,000 sqft
CertainLabel™ Calculator for Fahrenheight & these grass types
Spot Treatment
per
Label Rate:
0.5 - 1 fluid ounces per gallon
Cost Effectiveness:
Makes 320 - 640 gallons
at a cost of
$0.32 - $0.64 per gallon
at a cost of
$0.32 - $0.64 per gallon
Blanket Treatment
per
Label Rate:
1.1 - 1.5 fluid ounces per 1,000 sqft
Cost Effectiveness:
Covers 213333 - 290909 square feet
at a cost of
$0.71 - $0.96 per 1,000 sqft
at a cost of
$0.71 - $0.96 per 1,000 sqft
Safe On
Bahiagrass, Bermudagrass, Buffalograss, Centipedegrass, Tall Fescue, and Zoysiagrass
Safe Rate:
Safe Rate:
0.5 - 1 fluid ounces per gallon
or
1.1 - 1.5 fluid ounces per 1,000 sqft
CertainLabel™ Calculator for Battleship III & these grass types
or
1.1 - 1.5 fluid ounces per 1,000 sqft
Bentgrass, Chewings Fescue, Kentucky Bluegrass, Perennial Ryegrass, and Red Fescue
Safe Rate:
Safe Rate:
0.5 - 1 fluid ounces per gallon
or
1.1 - 1.5 fluid ounces per 1,000 sqft
CertainLabel™ Calculator for Battleship III & these grass types
or
1.1 - 1.5 fluid ounces per 1,000 sqft
Spot Treatment
No spot treatment rates listed. Please, review the label or contact the merchant for more information.
Blanket Treatment
per
Label Rate:
1.1 - 1.47 fluid ounces per 1,000 sqft
Cost Effectiveness:
Covers 217800 - 290400 square feet
at a cost of
$1.27 - $1.69 per 1,000 sqft
at a cost of
$1.27 - $1.69 per 1,000 sqft
Instructions:
The lower rate is recommended for spring if spring transition is expected within a month. Higher rates may be used if spring transition is at least 4-6 weeks away or has already occurred and also for fall.
Safe On
Bermudagrass, Centipedegrass, St. Augustinegrass, and Zoysiagrass
Safe Rate:
Safe Rate:
1.1 - 1.47 fluid ounces per 1,000 sqft
CertainLabel™ Calculator for Coastal & these grass types
Spot Treatment
per
Label Rate:
0.73 - 1.1 fluid ounces per gallon
Cost Effectiveness:
Makes 29.091 - 43.836 gallons
at a cost of
$1.05 - $1.58 per gallon
at a cost of
$1.05 - $1.58 per gallon
Blanket Treatment
per
Label Rate:
0.73 - 1.1 fluid ounces per 1,000 sqft
Cost Effectiveness:
Covers 29091 - 43836 square feet
at a cost of
$1.05 - $1.58 per 1,000 sqft
at a cost of
$1.05 - $1.58 per 1,000 sqft
Safe On
Annual Ryegrass, Bahiagrass, Bermudagrass, Fine Fescue, Kentucky Bluegrass, Perennial Ryegrass, Red Fescue, Tall Fescue, and Zoysiagrass
Safe Rate:
Safe Rate:
0.73 - 1.1 fluid ounces per gallon
or
0.73 - 1.1 fluid ounces per 1,000 sqft
CertainLabel™ Calculator for Horsepower & these grass types
or
0.73 - 1.1 fluid ounces per 1,000 sqft
Bentgrass
Safe Rate:
Safe Rate:
0.73 - 1.1 fluid ounces per gallon
or
0.73 - 1.1 fluid ounces per 1,000 sqft
CertainLabel™ Calculator for Horsepower & Bentgrass
or
0.73 - 1.1 fluid ounces per 1,000 sqft
