fierce herbicide 2010 research trials - valent
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2Fierce is pending EPA registration and is not available for sale.
Trials conducted in 23 states
58 trials conducted
– 37 on soybeans
– 21 on corn
2010 Fierce Research Trial Background
3Fierce is pending EPA registration and is not available for sale.
Trials by State
State Corn Soybean Total
AR 3 3
DE 1 1 2
GA 2 2
IA 3 7 10
IL 5 1 6
IN 1 1 2
KS 1 1 2
KY 1 1 2
LA 2 2
MI 1 1
MN 1 1
MO 3 3
MS 2 2
NC 1 1
ND 1 1 2
NE 2 2 4
OH 2 1 3
SC 1 1 2
SD 1 1 2
TN 1 1
TX 1 1 2
VA 1 1
WI 1 1 2
Total 21 37 58
4Fierce is pending EPA registration and is not available for sale.
32 Large Scale Research Sites by Universities
Clemson
Iowa State
Kansas State
Louisiana State
Mississippi State
North Carolina State
Ohio State
Purdue
Southern Illinois
Texas A&M
University of Arkansas
University of Delaware
University of Georgia
University of Illinois
University of Tennessee
Virginia Tech
Western Illinois
6Fierce is pending EPA registration and is not available for sale.
Overall Satisfaction—Fierce Performance
n=58 trials
qty=1322%
qty=3764%
qty=59%
qty=23%
qty=12%
Extremely satisfied
Very satisfied
Satisfied
Slightly dissatisfied
Extremely dissatisfied
95% of trial
respondents were
Extremely Satisfied
to Satisfied with
Fierce
8Fierce is pending EPA registration and is not available for sale.
Residual Control
qty=2645%
qty=2238%
qty=712%
qty=12%
qty=23%
Excellent
Very Good
Good
Fair
Poor
95% of trial
respondents rated
Fierce Excellent to
Good for Residual
Control
n=58 trials
9Fierce is pending EPA registration and is not available for sale.
Corn: Residual Control
n=21 trials
Fierce Bicep® IIBullet® +
AtrazineCorvus™ Lexar® Lumax®
Excellent 8 1 1 1
Very Good 9 3 1 1 1
Good 2 3
Fair 1
Poor 1 2 1
Total 21 9 1 1 2 2
10Fierce is pending EPA registration and is not available for sale.
Soybeans: Residual Control
n=37 trials
FierceAuthority™
FirstOpTill™ Prefix® Prowl®
Excellent 18 1
Very Good 13 1
Good 5 2 1 3
Fair 2
Poor 1 1 1
Total 37 2 1 8 1
12Fierce is pending EPA registration and is not available for sale.
Lambsquarters, Common
Waterhemp, Common
Pigweeds, Redroot
Dandelion
Velvetleaf
Marestail/Horseweed
Ragweed, Common
Top Targeted Broadleaf Weeds
13Fierce is pending EPA registration and is not available for sale.
Amaranth, Palmer
Anoda, Spurred
Beggarweed, Florida
Buckwheat, Wild
Carpetweed
Chickweed, Common
Copperleaf, Hophornbeam
Dandelion
Henbit
Kochia
Lambsquarters, Common
Mallow, Venice
Marestail/Horseweed
Morningglory, Entireleaf
Morningglory, Ivyleaf
Morningglory, Tall
Mustard, Wild
Nightshade, Black
Nightshade, Eastern Black
Pigweeds, Redroot
Pigweeds, Smooth
Pigweeds, Tumble
Purslane, Common
Ragweed, Common
Ragweed, Giant
Shepherd’s-purse
Sida, Prickly (Teaweed)
Smartweed, Ladysthumb
Smartweed, Pennsylvania
Thistle, Russian
Velvetleaf
Waterhemp, Common
Waterhemp, Tall
Broadleaf Weeds Targeted—2010 Trials
14Fierce is pending EPA registration and is not available for sale.
Broadleaf Weed Control
qty=2848%
qty=2136%
qty=712%
qty=12%
qty=12%
Excellent
Very Good
Good
Fair
Poor
96% of trial
respondents rated
Fierce Excellent to
Good for Broadleaf
Weed Control
n=58 trials
15Fierce is pending EPA registration and is not available for sale.
Corn: Broadleaf Weed Control vs. Competitors
Fierce Bicep IIBullet +
AtrazineCorvus Lexar Lumax
Excellent 10 3 1 1 1
Very Good 7 5 2
Good 3 1 1
Fair 1
Poor
Total 21 9 1 1 2 2
n=21 trials
16Fierce is pending EPA registration and is not available for sale.
Soybean: Broadleaf Weed Control vs. Competitors
FierceAuthority
FirstOpTill Prefix Prowl
Excellent 18 2 1
Very Good 14 1
Good 4 1 2 1
Fair 4
Poor 1
Total 37 8 1 2 1
n=37 trials
17Fierce is pending EPA registration and is not available for sale.
Specific Broadleaf Weed PerformanceScore
Weed Type <50 51–60 61–70 71–80 81–90 91–100Total by
Weed Type
Amaranth, Palmer 5 9 14
Anoda, Spurred 1 1 2
Beggarweed, Florida 1 1
Buckwheat, Wild 1 1
Carpetweed 2 2
Chickweed, Common 1 2 3
Copperleaf, Hophornbeam 1 1
Dandelion 1 2 4 11 18
Henbit 2 2
Kochia 1 1
Lambsquarters, Common 1 1 3 17 22
Mallow, Venice 1 1
Marestail/Horseweed 1 1 5 9 16
Morningglory, Entireleaf 1 2 1 4 5 13
Morningglory, Ivyleaf 1 1 1 3 6 12
Morningglory, Tall 1 2 3 6
Mustard, Wild 3 3
Nightshade, Black 5 5
Nightshade, Eastern Black 2 3 5
Pigweeds, Redroot 1 1 1 16 19
Pigweeds, Smooth 5 5
Pigweeds, Tumble 1 1
Purslane, Common 1 1
Ragweed, Common 4 9 13
Ragweed, Giant 1 4 2 5 12
Shepherd’s-purse 1 2 3
Sida, Prickly (Teaweed) 1 5 6
Smartweed, Ladysthumb 2 2
Smartweed, Pennsylvania 1 1 1 5 8
Thistle, Russian 1 1
Velvetleaf 1 1 1 13 16
Waterhemp, Common 1 1 1 2 1 14 20
Waterhemp, Tall 1 10 11
Total by Score 7 4 8 13 45 169 246
87% of trial
respondents
said Fierce
controlled
ALL
broadleaf
weeds
tested
19Fierce is pending EPA registration and is not available for sale.
Performance vs. Prefix
n=8 trials
Growers who compared Fierce to Prefix
0%
10%
20%
30%
40%
50%
60%
70%
80%
90%
100%
Broadleaf Weed Control Grass Control Residual Control
Res
po
nse
s (
rate
d G
oo
d t
o E
xc
ell
en
t P
erf
orm
an
ce
)
Fierce
Prefix
20Fierce is pending EPA registration and is not available for sale.
Performance vs. Bicep
n=9 trials
Growers who compared Fierce to Bicep
0%
10%
20%
30%
40%
50%
60%
70%
80%
90%
100%
Broadleaf Weed Control Grass Control Residual Control
Res
po
nse
s (
rate
d G
oo
d t
o E
xc
ell
en
t P
erf
orm
an
ce
)
Fierce
Bicep
22Fierce is pending EPA registration and is not available for sale.
Top 5 Targeted Annual Grasses
Barnyardgrass
Crabgrass, Large
Foxtail, Giant
Foxtail, Green
Foxtail, Yellow
23Fierce is pending EPA registration and is not available for sale.
Barnyardgrass
Brome, Downy
Crabgrass, Large
Crabgrass, Smooth
Foxtail, Giant
Foxtail, Green
Foxtail, Yellow
Goosegrass
Johnsongrass (seedling)
Panicum, Fall
Panicum, Texas
Signalgrass, Broadleaf
Annual Grasses Targeted—2010 Trials
24Fierce is pending EPA registration and is not available for sale.
Annual Grass Control
qty=3255%
qty=1424%
qty=814%
qty=35%
qty=12%
Excellent
Very Good
Good
Fair
Poor
93% of trial
respondents rated
Fierce Excellent to
Good for Grass
Control
n=58 trials
25Fierce is pending EPA registration and is not available for sale.
Corn: Annual Grass Control vs. Competitors
Fierce Bicep IIBullet +
AtrazineCorvus Lexar Lumax
Excellent 13 2 2
Very Good 4 1 1
Good 3 6
Fair 1
Poor 1 1 1
Total 21 9 1 1 2 2
n=21 trials
26Fierce is pending EPA registration and is not available for sale.
Soybeans: Annual Grass Control vs. Competitors
FierceAuthority
FirstOpTill Prefix Prowl
Excellent 19 1
Very Good 10 3
Good 5 1 1 2
Fair 2 1 1
Poor 1 1 1
Total 37 2 1 8 1
n=37 trials
27Fierce is pending EPA registration and is not available for sale.
Specific Annual Grass Performance
Score
Grass Type <50 51–60 61–70 71–80 81–90 91–100
Total by
Grass
Type
Barnyardgrass 1 1 7 9
Brome, Downy 1 1 2
Crabgrass, Large 1 6 11 18
Crabgrass, Smooth 2 2
Foxtail, Giant 1 1 6 15 23
Foxtail, Green 3 1 2 6 12
Foxtail, Yellow 1 8 9
Goosegrass 1 1
Johnsongrass (seedling) 1 1 2
Panicum, Fall 1 1 4 6
Panicum, Texas 1 1 1 3
Signalgrass, Broadleaf 1 1 2 4
Total by Score 1 2 4 4 21 59 91
88% of trial respondents
said Fierce controlled ALL
annual grasses tested
29Fierce is pending EPA registration and is not available for sale.
Crop Safety
qty=3560%
qty=1221%
qty=1017%
qty=12%
Excellent
Very Good
Good
Fair
Poor
98% of trial
respondents rated
Fierce Excellent to
Good for Crop
Safety
n=58 trials
30Fierce is pending EPA registration and is not available for sale.
Corn: Crop Safety vs. Competitors
Fierce Bicep IIBullet +
AtrazineCorvus Lexar Lumax
Excellent 12 4 1 1 1 2
Very Good 5 5 1
Good 4
Fair
Poor
Total 21 9 1 1 2 2
n=21 trials
31Fierce is pending EPA registration and is not available for sale.
Soybeans: Crop Safety vs. Competitors
FierceAuthority
FirstOpTill Prefix Prowl
Excellent 23 1
Very Good 7 1 4
Good 6 1 1 4
Fair
Poor 1
Total 37 2 1 8 1
n=37 trials
33Fierce is pending EPA registration and is not available for sale.
―Wet weather delayed corn planting beyond the suggested
7-day window. Corn remains clean!‖
—Curtis Thompson, Kansas State University
Researcher Quotes
―Weed control was good, especially in terms of gaining
early season control to minimize weed interference
and allow flexibility in a postemergence herbicide
application.‖
—David Jordan, North Carolina State University
34Fierce is pending EPA registration and is not available for sale.
―I put Fierce beside an untreated check, and the line was very defined.
The grass and broadleaf control was excellent.‖
—James Day, Bradgate, IA
―Fierce did a great job. Untreated check was solid weeds.‖
—Kelly Cooper, Forman, ND
―We have a real problem with Roundup®-resistant waterhemp, and
Fierce appears to be the answer to that problem. I applied it preemerge
and had total control.‖
—Joe Shryock, Columbia, MO
Testimonials
35Fierce is pending EPA registration and is not available for sale.
Fierce vs. Untreated. Ronnie Levy, Louisiana State University
Untreated
Fierce-
Treated
36Fierce is pending EPA registration and is not available for sale.
Untreated 42 DAT
Fierce 3 oz/A 42 DAT
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