DEFY

Last updated
: 08/02/2019
Crop protection
Herbicide
Authorisation Number
PCS 04277
Pack size
10 litres
Composition
800 g/l
prosulfocarb
Activity Group
Group N
Formulation
EC (Emulsifiable Concentrate)
Mode of action
Contact
Residual

DEFY contains prosulfocarb for the control of a range of broad-leaved weeds and certain grass weeds in winter wheat, winter barley and potatoes.

Application rate
5.0 l/ha
Water volume
Maximum number of applications
1
Pre Harvest Interval (PHI)
Soil rising over emerging potato shoots
Stage of use
Pre-emergence to soil rising over emerging potato shoots
Restriction of Use
Do not sow field beans or broad beans within 12 months of application. Do not apply by hand held equipment.
Non Target Arthropods Buffer Zone
None
Non Target Plant Buffer Zone
None
Resistance management status
Only use DEFY for control of herbicide resistant strains of annual grasses as part of a management strategy, including sequences with herbicides of alternative modes of action and the use of cultural techniques.

Application rate
5.0 l/ha
Water volume
Maximum number of applications
1
Pre Harvest Interval (PHI)
Soil rising over emerging potato shoots
Stage of use
Pre-emergence to soil rising over emerging potato shoots
Restriction of Use
Do not sow field beans or broad beans within 12 months of application. Do not apply by hand held equipment.
Non Target Arthropods Buffer Zone
None
Non Target Plant Buffer Zone
None
Resistance management status
Only use DEFY for control of herbicide resistant strains of annual grasses as part of a management strategy, including sequences with herbicides of alternative modes of action and the use of cultural techniques.

Application rate
5.0 l/ha
Water volume
Maximum number of applications
1
Pre Harvest Interval (PHI)
Soil rising over emerging potato shoots
Stage of use
Pre-emergence to soil rising over emerging potato shoots
Restriction of Use
Do not sow field beans or broad beans within 12 months of application. Do not apply by hand held equipment.
Non Target Arthropods Buffer Zone
None
Non Target Plant Buffer Zone
None
Resistance management status
Only use DEFY for control of herbicide resistant strains of annual grasses as part of a management strategy, including sequences with herbicides of alternative modes of action and the use of cultural techniques.

Application rate
5.0 l/ha
Water volume
Maximum number of applications
1
Pre Harvest Interval (PHI)
Soil rising over emerging potato shoots
Stage of use
Pre-emergence to soil rising over emerging potato shoots
Restriction of Use
Do not sow field beans or broad beans within 12 months of application. Do not apply by hand held equipment.
Non Target Arthropods Buffer Zone
None
Non Target Plant Buffer Zone
None
Resistance management status
Only use DEFY for control of herbicide resistant strains of annual grasses as part of a management strategy, including sequences with herbicides of alternative modes of action and the use of cultural techniques.

Application rate
5.0 l/ha
Water volume
Maximum number of applications
1
Pre Harvest Interval (PHI)
Soil rising over emerging potato shoots
Stage of use
Pre-emergence to soil rising over emerging potato shoots
Restriction of Use
Do not sow field beans or broad beans within 12 months of application. Do not apply by hand held equipment.
Non Target Arthropods Buffer Zone
None
Non Target Plant Buffer Zone
None
Resistance management status
Only use DEFY for control of herbicide resistant strains of annual grasses as part of a management strategy, including sequences with herbicides of alternative modes of action and the use of cultural techniques.

Application rate
5.0 l/ha
Water volume
Maximum number of applications
1
Pre Harvest Interval (PHI)
Soil rising over emerging potato shoots
Stage of use
Pre-emergence to soil rising over emerging potato shoots
Restriction of Use
Do not sow field beans or broad beans within 12 months of application. Do not apply by hand held equipment.
Non Target Arthropods Buffer Zone
None
Non Target Plant Buffer Zone
None
Resistance management status
Only use DEFY for control of herbicide resistant strains of annual grasses as part of a management strategy, including sequences with herbicides of alternative modes of action and the use of cultural techniques.

Application rate
5.0 l/ha pre-emergence or 3.0 l/ha post-emergence
Water volume
Maximum number of applications
1
Pre Harvest Interval (PHI)
Pre-emergence (5.0 l/ha) or GS21 (3.0 l/ha)
Stage of use
Pre-emergence to GS21
Restriction of Use
Seed must be covered by 3 cm soil. Do not sow field beans or broad beans within 12 months of application. Do not apply by hand held equipment.
Non Target Arthropods Buffer Zone
None
Non Target Plant Buffer Zone
None
Resistance management status
Only use DEFY for control of herbicide resistant strains of annual grasses as part of a management strategy, including sequences with herbicides of alternative modes of action and the use of cultural techniques.

Application rate
5.0 l/ha pre-emergence or 3.0 l/ha post-emergence
Water volume
Maximum number of applications
1
Pre Harvest Interval (PHI)
Pre-emergence (5.0 l/ha) or GS21 (3.0 l/ha)
Stage of use
Pre-emergence to GS21
Restriction of Use
Seed must be covered by 3 cm soil. Do not sow field beans or broad beans within 12 months of application. Do not apply by hand held equipment.
Non Target Arthropods Buffer Zone
None
Non Target Plant Buffer Zone
None
Resistance management status
Only use DEFY for control of herbicide resistant strains of annual grasses as part of a management strategy, including sequences with herbicides of alternative modes of action and the use of cultural techniques.

Application rate
5.0 l/ha pre-emergence or 3.0 l/ha post-emergence
Water volume
Maximum number of applications
1
Pre Harvest Interval (PHI)
Pre-emergence (5.0 l/ha) or GS21 (3.0 l/ha)
Stage of use
Pre-emergence to GS21
Restriction of Use
Seed must be covered by 3 cm soil. Do not sow field beans or broad beans within 12 months of application. Do not apply by hand held equipment.
Non Target Arthropods Buffer Zone
None
Non Target Plant Buffer Zone
None
Resistance management status
Only use DEFY for control of herbicide resistant strains of annual grasses as part of a management strategy, including sequences with herbicides of alternative modes of action and the use of cultural techniques.

Application rate
5.0 l/ha pre-emergence or 3.0 l/ha post-emergence
Water volume
Maximum number of applications
1
Pre Harvest Interval (PHI)
Pre-emergence (5.0 l/ha) or GS21 (3.0 l/ha)
Stage of use
Pre-emergence to GS21
Restriction of Use
Seed must be covered by 3 cm soil. Do not sow field beans or broad beans within 12 months of application. Do not apply by hand held equipment.
Non Target Arthropods Buffer Zone
None
Non Target Plant Buffer Zone
None
Resistance management status
Only use DEFY for control of herbicide resistant strains of annual grasses as part of a management strategy, including sequences with herbicides of alternative modes of action and the use of cultural techniques.

Application rate
5.0 l/ha pre-emergence or 3.0 l/ha post-emergence
Water volume
Maximum number of applications
1
Pre Harvest Interval (PHI)
Pre-emergence (5.0 l/ha) or GS21 (3.0 l/ha)
Stage of use
Pre-emergence to GS21
Restriction of Use
Seed must be covered by 3 cm soil. Do not sow field beans or broad beans within 12 months of application. Do not apply by hand held equipment.
Non Target Arthropods Buffer Zone
None
Non Target Plant Buffer Zone
None
Resistance management status
Only use DEFY for control of herbicide resistant strains of annual grasses as part of a management strategy, including sequences with herbicides of alternative modes of action and the use of cultural techniques.

Application rate
5.0 l/ha pre-emergence or 3.0 l/ha post-emergence
Water volume
Maximum number of applications
1
Pre Harvest Interval (PHI)
Pre-emergence (5.0 l/ha) or GS21 (3.0 l/ha)
Stage of use
Pre-emergence to GS21
Restriction of Use
Seed must be covered by 3 cm soil. Do not sow field beans or broad beans within 12 months of application. Do not apply by hand held equipment.
Non Target Arthropods Buffer Zone
None
Non Target Plant Buffer Zone
None
Resistance management status
Only use DEFY for control of herbicide resistant strains of annual grasses as part of a management strategy, including sequences with herbicides of alternative modes of action and the use of cultural techniques.

Application rate
5.0 l/ha pre-emergence or 3.0 l/ha post-emergence
Water volume
Maximum number of applications
1
Pre Harvest Interval (PHI)
Pre-emergence (5.0 l/ha) or GS21 (3.0 l/ha)
Stage of use
Pre-emergence to GS21
Restriction of Use
Seed must be covered by 3 cm soil. Do not sow field beans or broad beans within 12 months of application. Do not apply by hand held equipment.
Non Target Arthropods Buffer Zone
None
Non Target Plant Buffer Zone
None
Resistance management status
Only use DEFY for control of herbicide resistant strains of annual grasses as part of a management strategy, including sequences with herbicides of alternative modes of action and the use of cultural techniques.

Application rate
5.0 l/ha pre-emergence or 3.0 l/ha post-emergence
Water volume
Maximum number of applications
1
Pre Harvest Interval (PHI)
Pre-emergence (5.0 l/ha) or GS21 (3.0 l/ha)
Stage of use
Pre-emergence to GS21
Restriction of Use
Seed must be covered by 3 cm soil. Do not sow field beans or broad beans within 12 months of application. Do not apply by hand held equipment.
Non Target Arthropods Buffer Zone
None
Non Target Plant Buffer Zone
None
Resistance management status
Only use DEFY for control of herbicide resistant strains of annual grasses as part of a management strategy, including sequences with herbicides of alternative modes of action and the use of cultural techniques.

Application rate
5.0 l/ha pre-emergence or 3.0 l/ha post-emergence
Water volume
Maximum number of applications
1
Pre Harvest Interval (PHI)
Pre-emergence (5.0 l/ha) or GS21 (3.0 l/ha)
Stage of use
Pre-emergence to GS21
Restriction of Use
Seed must be covered by 3 cm soil. Do not sow field beans or broad beans within 12 months of application. Do not apply by hand held equipment.
Non Target Arthropods Buffer Zone
None
Non Target Plant Buffer Zone
None
Resistance management status
Only use DEFY for control of herbicide resistant strains of annual grasses as part of a management strategy, including sequences with herbicides of alternative modes of action and the use of cultural techniques.

Application rate
5.0 l/ha pre-emergence or 3.0 l/ha post-emergence
Water volume
Maximum number of applications
1
Pre Harvest Interval (PHI)
Pre-emergence (5.0 l/ha) or GS21 (3.0 l/ha)
Stage of use
Pre-emergence to GS21
Restriction of Use
Seed must be covered by 3 cm soil. Do not sow field beans or broad beans within 12 months of application. Do not apply by hand held equipment.
Non Target Arthropods Buffer Zone
None
Non Target Plant Buffer Zone
None
Resistance management status
Only use DEFY for control of herbicide resistant strains of annual grasses as part of a management strategy, including sequences with herbicides of alternative modes of action and the use of cultural techniques.

Application rate
5.0 l/ha pre-emergence or 3.0 l/ha post-emergence
Water volume
Maximum number of applications
1
Pre Harvest Interval (PHI)
Pre-emergence (5.0 l/ha) or GS21 (3.0 l/ha)
Stage of use
Pre-emergence to GS21
Restriction of Use
Seed must be covered by 3 cm soil. Do not sow field beans or broad beans within 12 months of application. Do not apply by hand held equipment.
Non Target Arthropods Buffer Zone
None
Non Target Plant Buffer Zone
None
Resistance management status
Only use DEFY for control of herbicide resistant strains of annual grasses as part of a management strategy, including sequences with herbicides of alternative modes of action and the use of cultural techniques.

Application rate
5.0 l/ha pre-emergence or 3.0 l/ha post-emergence
Water volume
Maximum number of applications
1
Pre Harvest Interval (PHI)
Pre-emergence (5.0 l/ha) or GS 21 (3.0 l/ha)
Stage of use
Pre-emergence to GS21
Restriction of Use
Seed must be covered by 3 cm soil. Do not sow field beans or broad beans within 12 months of application. Do not apply by hand held equipment.
Non Target Arthropods Buffer Zone
None
Non Target Plant Buffer Zone
None
Resistance management status
Only use DEFY for control of herbicide resistant strains of annual grasses as part of a management strategy, including sequences with herbicides of alternative modes of action and the use of cultural techniques.

Mixing and spraying

Half fill the sprayer with water, add the DEFY then top up the tank whilst maintaining agitation. Apply using a medium quality spray using a spray pressure of 2 - 3 bar.

Water volume

200 - 400 l/ha

Rainfastness

1 hour
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