A DUO System^® variety is a variety naturally resistant to Stratos^® Ultra. This allows for the use of an efficient graminicide.

EFFICIENT AND INNOVATIVE MAIZE WEED CONTROL  

Such is the advantage of weed control with Stratos^® Ultra as well as being able to apply all registered herbicides to maizes.

THE DUO SYSTEM ASSETS

POWERFUL GRAMINICIDE

• Eradication of perennial grasses
• Control of annual grasses in difficult situations

SELECTIVITY IN MAIZE

• Very good selectivity of Stratos^® Ultra with regard to DUO SYSTEM varieties
• Maximum expression of the genetic potential of the variety

FLEXIBLE AND EASY APPLICATION

• Flexibility in the grass weed stage  
• Flexibility in the maize stage (from 2-leaf to ”canopy” stage of maize)
• Less dependence on climate conditions

POST-EMERGENT ALTERNATIVE TO  SULFONYLUREA GRAMINICIDES

ONLY SOLUTION FOR PERENNIAL GRASS CONTROL

JOHNSON GRASS, QUACKGRASS (bermuda grass, creeping),
FALSE OATGRASS, CREEPING BENTGRASS

Situations

• Growth of rhizomes from one year to the next in maize monoculture
• Late and staggered emergence of this type of weed
• Significant harm even in moderate infestation
• Inefficient conventional solution: technical impasse

Advantage of DUO System^®

• Weed control and eradication
• Total expression of yield potential
• Treatment possible over a wide stage range  (2 to 8-leaf )

EFFICACY COMPARISON ON PERENNIAL GRASSES

FOR BETTER CONTROL OF SUMMER ANNUAL GRASSES

SUMMER: PANIC, SETARIA, DIGIT

Situations

• Most common in maize monoculture or short-term rotation 
• Classic programmes not fully satisfactory
• Heavy weed infestations (forming a dense mat) = yield penalised

Advantage of DUO System^®

• Full control at high pressure = shock effect on summer grasses right from the first week
• Reduction of the seed bank of summer grasses from year to year 
• Treatment possible over a wide stage range  (2 to 8-leaf )
• No disruption of DUO maize growth
• Total expression of yield potential

CONCRETE EFFICACY SITUATIONS  ON SUMMER GRASSES