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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