Corvus Corn Herbicide - 2012 Brand Presentation

Corvus Herbicide
®
One Pass. Zero Doubts.

One Pass Control at Just 5.6 fl oz/A

 Offers burndown, residual and
reactivation – which other
products can’t match Corvus 5.6 fl oz/A + 2 pt/A atrazine 20
DAT
 Delivers rapid burndown, long-
lasting residual and reactivation
for dependable weed control
whether you face wet, hot or dry
conditions.
 Works quickly and delivers
uncompromised weed control all
season long

Bayer (reg’d) and the Bayer Cross (reg’d) are trademarks of Bayer. Additional trademarks and/or logos used in this presentation are the
trademarks of Bayer or the respective brand owner. Always read and follow label instructions. Not all products are registered in all states.
For additional product information call toll-free 1-866-99-BAYER (1-866-992-2937) or visit our website at www.BayerCropScience.us.

Corvus

 Application options:
 Burndown
 Early pre-plant
 Pre-plant incorporated
 Pre-emergence
 Early postemergence through the two-leaf (V2) growth stage


Corvus

 Contains two modes of action
 Controls many of the weeds that are resistant to other
herbicides, such as glyphosate-, PPO- and triazine-resistant
weeds
 Palmer Amaranth Corvus 5.6 fl oz/A + 1 lb AI/A
 Waterhemp atrazine

 Marestail
 Plus, tough grasses
 Woolly cupgrass
 Yellow foxtail
 Fall panicum


Corvus

 Corvus can be applied in ounces per acre vs. pints or quarts per acre
as required by other herbicides. Its extremely low use rate (one pass
at 5.6fl oz/A) means less shipping, storage and handling, and fewer
jugs.
 With its rapid burndown of weeds, Corvus is perfect for any tillage
program, including no-till and minimum till
 Provides long-lasting residual control
 Translocates through the roots and shoots of weeds


Season-Long Control
with Crop Safety

Any soil type Previously applied at V2 Season long weed control

Labeled rate of Corvus Labeled rate of Corvus plus Labeled rate of Corvus
applied pre-emergence atrazine (1.5 pt/A) applied applied pre-plant, shown
on sandy soil early postemergence (V2) late in season
on sandy soil


Crop Safety Innovation

Corvus includes Crop Safety Innovation (CSI™)
Safener technology that:
• Has both soil and foliar uptake
– Makes the safener active in pre and early post
applications
• Allows Corvus to be used on any soil enabling
– Greater crop compatibility
– Applications through the two leaf-collar (V2) growth
stage


Crop Safety Innovation

 CSI is an exclusive Bayer safener
 CSI changes the capacity of the plant to withstand herbicidal activity
 CSI safens the corn plant which has been shown to lead to increased:
 Root growth
 Plant health


Key Broadleaf Weed Control
Comparison


Key Grass Weed Control Comparison


Consistent, One-Pass Weed Control

Pre-emergence application of Untreated check at the same
Corvus, in university test plot university test plot


Two Modes of Action

 HPPD Inhibitor: Commonly known as a bleacher
 Inhibits the 4-hydroxyphenylpyruvate dioxygenase (HPPD)
enzyme in plants
 HPPD is key to the production of protective pigments in
plants and the development of chloroplasts in plants
 By inhibiting pigment and chloroplast biosynthesis, emerging
plant tissue is bleached (white to pale yellow)
 ALS Inhibitor: Inhibition of the acetolactate synthase
enzyme
 Prevents the production of three essential branch-chain
amino acids
 These amino acids are building blocks for a plant’s normal
growth and development


Excellent Tool for the Control of
Resistant Weeds

 Corvus provides control of more than 50 grass and broadleaf weeds
 It can be a valuable tool for growers in managing weeds resistant to
glyphosate, PPO and triazine herbicides
 Including Corvus in herbicide programs helps growers:
 Manage resistant and tolerant weed populations
 Maintain the viability of other herbicide programs

Corvus 5 fl oz/A + 1 lb AI/A atrazine + ½ gal/100
Superb®

1 week after application 2 weeks after application


IPM & Resistance Management

 Integrates easily into an overall pest and weed management strategy
 Employ practices known to limit weed development and herbicide use
(tillage, scouting and proper application timing) whenever possible
 Always use the full labeled rates as shown on the label
 Rotating herbicide mode of action is essential to improving weed
resistance management and helps you Respect the Rotation™
 Rotate modes of action (MOA) and/or use multiple MOA to reduce the
selection pressure caused by overusing a single MOA
 Rotate herbicide-tolerant traits
 Rotate crops


Corvus Application Timing

 Corvus is available for use in a wide variety of timing and tillage
programs:
 Conventional
 Conservation tillage
 No-till crop management systems
 Post-harvest noncrop
 Pre-plant
 Pre-plant incorporated (less than 2 inches deep)
 Pre-emergence
 Early postemergence through the two leaf-collar (V2) growth stage


Use Rates

 Corvus is available for use in:
 Field corn production
 Corn grown for silage
 Corn grown for seed

 When applied at a full rate of 5.6 fl oz/A, Corvus
provides consistent one-pass weed control – all
season long.


Specific Use Directions


Volume Comparisons


5.6 fl oz/A Corvus + 1 qt/A atrazine
Sandy Soil


Added Flexibility

 Conventional herbicide program

 In a weed control program with
 Liberty® herbicide on LibertyLink® hybrids
 Glyphosate on Roundup Ready® hybrids


Tankmix Partners

 Corvus is a strong tankmix partner for a number of herbicides, most
importantly atrazine
 The addition of atrazine can improve spectrum and consistency of weed control

 See label for full listing of compatible herbicides and usage rates


Adjuvants - Burndown

 When weeds are present at time of treatment and prior to corn
emergence, tankmix Corvus with COC or MSO for burndown of
labeled weeds 6 inches or less in height

 When weeds are greater than 6 inches in height or weeds not
controlled by Corvus are present, the addition of a non-selective
herbicide is recommended
 Glyphosate, Paraquat, 2, 4-D


Corvus 5.5 fl oz/A + 2 pts/A atrazine +
COC + UAN 20 DAT - Burndown

Untreated Treated Untreated Treated


Adjuvants - Post

 Corvus is available for application to corn in a
tankmix with atrazine from spiking through the two
leaf-collar (V2) growth stage
 Do not use COC or MSO with Corvus herbicide
applied to emerged field corn
 Tankmixes with other herbicides or adjuvants are
not recommended for early postemergence
applications of Corvus herbicide as crop response
symptoms, including bleaching, leaf edge necrosis
and stunting, may result.


Flexible Crop Rotations


Corvus 5.6 fl oz/A + 2 pts/A atrazine
20 DAT – Pre-emergence



Corvus 5.6 fl oz/A + 2 pts/A atrazine
5 DAT – V2



Product Characteristics Comparison

 Broad spectrum of residual
control
 Low use rates (ounces per acre
vs. pints or quarts)
 Excellent burndown weed control
 Flexible application window of 30
days pre-plant


Summary

 Corvus herbicide with burndown, residual and reactivation, provides
consistent one-pass weed control under varying weather conditions
 Corvus offers uncompromised weed control all season long at 5.6 fl
oz/A, whether conditions turn wet or hot and dry
 Two modes of action to control glyphosate-,PPO- and triazine-
resistant weeds - with outstanding crop safety
 With its rapid burndown of weeds, Corvus is perfect for any tillage
program, including no-till and minimum till


Corvus Corn Herbicide - 2012 Brand Presentation

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