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AMISTAR TOP

Last updated:

21.10.2025

Fungicide

Crop protection

Authorisation Number:

MAPP No: 18050

Pack size:

5 Litres

Composition:

200 g/l

azoxystrobin

125 g/l

difenoconazole

Activity Group:

Group 3 + Group 11

Formulation:

SC (Suspension Concentrate)

NANUM number:

NAN1869/2009

Product Overview
Registration
Application Advice
Emergency
Links and downloads

chevron_right

Product overview

AMISTAR TOP is a co-formulation of azoxystrobin and difenoconazole for the control of a range of fungal diseases in a range of crops.

Registration

add remove

Alternaria (will give control when applied as a protectant treatment)
add remove

Maximum individual dose

1.0 l/ha

Maximum number of applications

2 with a minimum spray interval of 7 days

Pre Harvest Interval (PHI)

14 days

Aquatic Buffer Zone

5 metres

Non Target Plant Buffer Zone

None

Non Target Arthropods Buffer Zone

None

Stage of use

Post-emergence up to 14 days before harvest

Restriction of Use

Powdery mildew
add remove

Maximum individual dose

1.0 l/ha

Maximum number of applications

2 with a minimum spray interval of 7 days

Pre Harvest Interval (PHI)

14 days

Aquatic Buffer Zone

5 metres

Non Target Plant Buffer Zone

None

Non Target Arthropods Buffer Zone

None

Stage of use

Post-emergence up to 14 days before harvest

Restriction of Use

Ringspot (will give control when applied as a protectant treatment)
add remove

Maximum individual dose

1.0 l/ha

Maximum number of applications

2 with a minimum spray interval of 7 days

Pre Harvest Interval (PHI)

14 days

Aquatic Buffer Zone

5 metres

Non Target Plant Buffer Zone

None

Non Target Arthropods Buffer Zone

None

Stage of use

Post-emergence up to 14 days before harvest

Restriction of Use

White Blister
add remove

Maximum individual dose

1.0 l/ha

Maximum number of applications

2 with a minimum spray interval of 7 days

Pre Harvest Interval (PHI)

14 days

Aquatic Buffer Zone

5 metres

Non Target Plant Buffer Zone

None

Non Target Arthropods Buffer Zone

None

Stage of use

Post-emergence up to 14 days before harvest

Restriction of Use

Broccoli
add remove

Resistance management / status

Do not apply more than two foliar applications of QoI-containing products to any crop.

Alternaria (will give control when applied as a protectant treatment)
add remove

Maximum individual dose

1.0 l/ha

Maximum number of applications

2 with a minimum interval of 14 days

Application growth stage (BBCH)

Pre Harvest Interval (PHI)

14 days

Aquatic Buffer Zone

5 metres

Non Target Plant Buffer Zone

None

Non Target Arthropods Buffer Zone

None

Stage of use

Post emergence up to 14 days before harvest

Restriction of Use

As a precaution AMISTAR TOP should not be applied where there is a risk of spray drift onto neighbouring apple crops. A maximum total dose of difenoconazole must not exceed 250 g per hectare per year and the maximum total dose of azoxystrobin must not exceed 500 g per hectare per year.

Powdery mildew
add remove

Maximum individual dose

1.0 l/ha

Maximum number of applications

2 with a minimum interval of 14 days

Application growth stage (BBCH)

Pre Harvest Interval (PHI)

14 days

Aquatic Buffer Zone

5 metres

Non Target Plant Buffer Zone

None

Non Target Arthropods Buffer Zone

None

Stage of use

Post emergence up to 14 days before harvest

Restriction of Use

Ringspot (will give control when applied as a protectant treatment)
add remove

Maximum individual dose

1.0 l/ha

Maximum number of applications

2 with a minimum interval of 14 days

Application growth stage (BBCH)

Pre Harvest Interval (PHI)

14 days

Aquatic Buffer Zone

5 metres

Non Target Plant Buffer Zone

None

Non Target Arthropods Buffer Zone

None

Stage of use

Post emergence up to 14 days before harvest

Restriction of Use

White Blister
add remove

Maximum individual dose

1.0 l/ha

Maximum number of applications

2 with a minimum interval of 14 days

Application growth stage (BBCH)

Pre Harvest Interval (PHI)

14 days

Aquatic Buffer Zone

5 metres

Non Target Plant Buffer Zone

None

Non Target Arthropods Buffer Zone

None

Stage of use

Post emergence up to 14 days before harvest

Restriction of Use

Brussels Sprouts
add remove

Resistance management / status

Do not apply more than two foliar applications of QoI-containing products to any crop.

Alternaria (will give control when applied as a protectant treatment)
add remove

Maximum individual dose

1.0 l/ha

Maximum number of applications

2 with a minimum interval of 14 days

Application growth stage (BBCH)

Pre Harvest Interval (PHI)

21 days

Aquatic Buffer Zone

5 metres

Non Target Plant Buffer Zone

None

Non Target Arthropods Buffer Zone

None

Stage of use

Post emergence up to 21 days before harvest

Restriction of Use

Powdery mildew
add remove

Maximum individual dose

1.0 l/ha

Maximum number of applications

2 with a minimum interval of 14 days

Application growth stage (BBCH)

Pre Harvest Interval (PHI)

21 days

Aquatic Buffer Zone

5 metres

Non Target Plant Buffer Zone

None

Non Target Arthropods Buffer Zone

None

Stage of use

Post emergence up to 21 days before harvest

Restriction of Use

Ringspot (will give control when applied as a protectant treatment)
add remove

Maximum individual dose

1.0 l/ha

Maximum number of applications

2 with a minimum interval of 14 days

Application growth stage (BBCH)

Pre Harvest Interval (PHI)

21 days

Aquatic Buffer Zone

5 metres

Non Target Plant Buffer Zone

None

Non Target Arthropods Buffer Zone

None

Stage of use

Post emergence up to 21 days before harvest

Restriction of Use

White Blister
add remove

Maximum individual dose

1.0 l/ha

Maximum number of applications

2 with a minimum interval of 14 days

Application growth stage (BBCH)

Pre Harvest Interval (PHI)

21 days

Aquatic Buffer Zone

5 metres

Non Target Plant Buffer Zone

None

Non Target Arthropods Buffer Zone

None

Stage of use

Post emergence up to 21 days before harvest

Restriction of Use

Cabbage
add remove

Resistance management / status

Do not apply more than two foliar applications of QoI-containing products to any crop.

Alternaria (will give control when applied as a protectant treatment)
add remove

Maximum individual dose

1.0 l/ha

Maximum number of applications

2 with a minimum interval of 14 days

Application growth stage (BBCH)

Pre Harvest Interval (PHI)

21 days

Aquatic Buffer Zone

5 metres

Non Target Plant Buffer Zone

None

Non Target Arthropods Buffer Zone

None

Stage of use

Post emergence up to 21 days before harvest

Restriction of Use

Powdery mildew
add remove

Maximum individual dose

1.0 l/ha

Maximum number of applications

2 with a minimum interval of 14 days

Application growth stage (BBCH)

Pre Harvest Interval (PHI)

21 days

Aquatic Buffer Zone

5 metres

Non Target Plant Buffer Zone

None

Non Target Arthropods Buffer Zone

None

Stage of use

Post emergence up to 21 days before harvest

Restriction of Use

Ringspot (will give control when applied as a protectant treatment)
add remove

Maximum individual dose

1.0 l/ha

Maximum number of applications

2 with a minimum interval of 14 days

Application growth stage (BBCH)

Pre Harvest Interval (PHI)

21 days

Aquatic Buffer Zone

5 metres

Non Target Plant Buffer Zone

None

Non Target Arthropods Buffer Zone

None

Stage of use

Post emergence up to 21 days before harvest

Restriction of Use

White Blister
add remove

Maximum individual dose

1.0 l/ha

Maximum number of applications

2 with a minimum interval of 14 days

Application growth stage (BBCH)

Pre Harvest Interval (PHI)

21 days

Aquatic Buffer Zone

5 metres

Non Target Plant Buffer Zone

None

Non Target Arthropods Buffer Zone

None

Stage of use

Post emergence up to 21 days before harvest

Restriction of Use

Calabrese
add remove

Resistance management / status

Do not apply more than two foliar applications of QoI-containing products to any crop.

Alternaria (will give control when applied as a protectant treatment)
add remove

Maximum individual dose

1.0 l/ha

Maximum number of applications

2 with a minimum interval of 14 days

Application growth stage (BBCH)

Pre Harvest Interval (PHI)

14 days

Aquatic Buffer Zone

5 metres

Non Target Plant Buffer Zone

None

Non Target Arthropods Buffer Zone

None

Stage of use

Post emergence up to 14 days before harvest

Restriction of Use

Powdery mildew
add remove

Maximum individual dose

1.0 l/ha

Maximum number of applications

2 with a minimum interval of 14 days

Application growth stage (BBCH)

Pre Harvest Interval (PHI)

14 days

Aquatic Buffer Zone

5 metres

Non Target Plant Buffer Zone

None

Non Target Arthropods Buffer Zone

None

Stage of use

Post emergence up to 14 days before harvest

Restriction of Use

Ringspot (will give control when applied as a protectant treatment)
add remove

Maximum individual dose

1.0 l/ha

Maximum number of applications

2 with a minimum interval of 14 days

Application growth stage (BBCH)

Pre Harvest Interval (PHI)

14 days

Aquatic Buffer Zone

5 metres

Non Target Plant Buffer Zone

None

Non Target Arthropods Buffer Zone

None

Stage of use

Post emergence up to 14 days before harvest

Restriction of Use

White Blister
add remove

Maximum individual dose

1.0 l/ha

Maximum number of applications

2 with a minimum interval of 14 days

Application growth stage (BBCH)

Pre Harvest Interval (PHI)

14 days

Aquatic Buffer Zone

5 metres

Non Target Plant Buffer Zone

None

Non Target Arthropods Buffer Zone

None

Stage of use

Post emergence up to 14 days before harvest

Restriction of Use

Carrots
add remove

Resistance management / status

Do not apply more than two foliar applications of QoI-containing products to any crop.

Alternaria Leaf Blight
add remove

Maximum individual dose

1.0 l/ha

Maximum number of applications

2 with a minimum spray interval of 14 days

Pre Harvest Interval (PHI)

14 days

Aquatic Buffer Zone

5 metres

Non Target Plant Buffer Zone

None

Non Target Arthropods Buffer Zone

None

Stage of use

Post emergence up to 14 days before harvest.

Restriction of Use

As a precaution AMISTAR TOP should not be applied where there is a risk of spray drift onto neighbouring apple crops. A maximum total dose of difenoconazole must not exceed 375 g per hectare per year.

Powdery mildew
add remove

Maximum individual dose

1.0 l/ha

Maximum number of applications

2 with a minimum spray interval of 14 days

Pre Harvest Interval (PHI)

14 days

Aquatic Buffer Zone

5 metres

Non Target Plant Buffer Zone

None

Non Target Arthropods Buffer Zone

None

Stage of use

Post emergence up to 14 days before harvest.

Restriction of Use

Cauliflower
add remove

Resistance management / status

Do not apply more than two foliar applications of QoI-containing products to any crop.

Alternaria (will give control when applied as a protectant treatment)
add remove

Maximum individual dose

1.0 l/ha

Maximum number of applications

2 with a minimum interval of 14 days

Application growth stage (BBCH)

Pre Harvest Interval (PHI)

14 days

Aquatic Buffer Zone

5 metres

Non Target Plant Buffer Zone

None

Non Target Arthropods Buffer Zone

None

Stage of use

Post emergence up to 14 days before harvest

Restriction of Use

Powdery mildew
add remove

Maximum individual dose

1.0 l/ha

Maximum number of applications

2 with a minimum interval of 14 days

Application growth stage (BBCH)

Pre Harvest Interval (PHI)

14 days

Aquatic Buffer Zone

5 metres

Non Target Plant Buffer Zone

None

Non Target Arthropods Buffer Zone

None

Stage of use

Post emergence up to 14 days before harvest

Restriction of Use

Ringspot (will give control when applied as a protectant treatment)
add remove

Maximum individual dose

1.0 l/ha

Maximum number of applications

2 with a minimum interval of 14 days

Application growth stage (BBCH)

Pre Harvest Interval (PHI)

14 days

Aquatic Buffer Zone

5 metres

Non Target Plant Buffer Zone

None

Non Target Arthropods Buffer Zone

None

Stage of use

Post emergence up to 14 days before harvest

Restriction of Use

White Blister
add remove

Maximum individual dose

1.0 l/ha

Maximum number of applications

2 with a minimum interval of 14 days

Application growth stage (BBCH)

Pre Harvest Interval (PHI)

14 days

Aquatic Buffer Zone

5 metres

Non Target Plant Buffer Zone

None

Non Target Arthropods Buffer Zone

None

Stage of use

Post emergence up to 14 days before harvest

Restriction of Use

Collards (spring greens)
add remove

Resistance management / status

Do not apply more than two foliar applications of QoI-containing products to any crop.

Alternaria (will give control when applied as a protectant treatment)
add remove

Maximum individual dose

1.0 l/ha

Maximum number of applications

2 with a minimum interval of 14 days

Application growth stage (BBCH)

Pre Harvest Interval (PHI)

21 days

Aquatic Buffer Zone

5 metres

Non Target Plant Buffer Zone

None

Non Target Arthropods Buffer Zone

None

Stage of use

Post emergence up to 21 days before harvest

Restriction of Use

Powdery mildew
add remove

Maximum individual dose

1.0 l/ha

Maximum number of applications

2 with a minimum interval of 14 days

Application growth stage (BBCH)

Pre Harvest Interval (PHI)

21 days

Aquatic Buffer Zone

5 metres

Non Target Plant Buffer Zone

None

Non Target Arthropods Buffer Zone

None

Stage of use

Post emergence up to 21 days before harvest

Restriction of Use

Ringspot (will give control when applied as a protectant treatment)
add remove

Maximum individual dose

1.0 l/ha

Maximum number of applications

2 with a minimum interval of 14 days

Application growth stage (BBCH)

Pre Harvest Interval (PHI)

21 days

Aquatic Buffer Zone

5 metres

Non Target Plant Buffer Zone

None

Non Target Arthropods Buffer Zone

None

Stage of use

Post emergence up to 21 days before harvest

Restriction of Use

White Blister
add remove

Maximum individual dose

1.0 l/ha

Maximum number of applications

2 with a minimum interval of 14 days

Application growth stage (BBCH)

Pre Harvest Interval (PHI)

21 days

Aquatic Buffer Zone

5 metres

Non Target Plant Buffer Zone

None

Non Target Arthropods Buffer Zone

None

Stage of use

Post emergence up to 21 days before harvest

Restriction of Use

Kale (winter greens)
add remove

Resistance management / status

Do not apply more than two foliar applications of QoI-containing products to any crop.

Alternaria (will give control when applied as a protectant treatment)
add remove

Maximum individual dose

1.0 l/ha

Maximum number of applications

2 with a minimum interval of 14 days

Application growth stage (BBCH)

Pre Harvest Interval (PHI)

21 days

Aquatic Buffer Zone

5 metres

Non Target Plant Buffer Zone

None

Non Target Arthropods Buffer Zone

None

Stage of use

Post emergence up to 21 days before harvest

Restriction of Use

Powdery mildew
add remove

Maximum individual dose

1.0 l/ha

Maximum number of applications

2 with a minimum interval of 14 days

Application growth stage (BBCH)

Pre Harvest Interval (PHI)

21 days

Aquatic Buffer Zone

5 metres

Non Target Plant Buffer Zone

None

Non Target Arthropods Buffer Zone

None

Stage of use

Post emergence up to 21 days before harvest

Restriction of Use

Ringspot (will give control when applied as a protectant treatment)
add remove

Maximum individual dose

1.0 l/ha

Maximum number of applications

2 with a minimum interval of 14 days

Application growth stage (BBCH)

Pre Harvest Interval (PHI)

21 days

Aquatic Buffer Zone

5 metres

Non Target Plant Buffer Zone

None

Non Target Arthropods Buffer Zone

None

Stage of use

Post emergence up to 21 days before harvest

Restriction of Use

White Blister
add remove

Maximum individual dose

1.0 l/ha

Maximum number of applications

2 with a minimum interval of 14 days

Application growth stage (BBCH)

Pre Harvest Interval (PHI)

21 days

Aquatic Buffer Zone

5 metres

Non Target Plant Buffer Zone

None

Non Target Arthropods Buffer Zone

None

Stage of use

Post emergence up to 21 days before harvest

Restriction of Use

Leeks
add remove

Resistance management / status

Do not apply more than two foliar applications of QoI-containing products to any crop.

Leaf Rust
add remove

Maximum individual dose

1.0 l/ha

Maximum number of applications

Pre Harvest Interval (PHI)

21 days

Aquatic Buffer Zone

5 metres

Non Target Plant Buffer Zone

None

Non Target Arthropods Buffer Zone

None

Stage of use

Post emergence up to 21 days before harvest

Restriction of Use

As a precaution AMISTAR TOP should not be applied where there is a risk of spray drift onto neighbouring apple crops.

Purple Blotch (moderate)
add remove

Maximum individual dose

1.0 l/ha

Maximum number of applications

Pre Harvest Interval (PHI)

21 days

Aquatic Buffer Zone

5 metres

Non Target Plant Buffer Zone

None

Non Target Arthropods Buffer Zone

None

Stage of use

Post emergence up to 21 days before harvest

Restriction of Use

As a precaution AMISTAR TOP should not be applied where there is a risk of spray drift onto neighbouring apple crops.

White Tip (Qualified Minor Use: may give some control)
add remove

Maximum individual dose

1.0 l/ha

Maximum number of applications

Pre Harvest Interval (PHI)

21 days

Aquatic Buffer Zone

5 metres

Non Target Plant Buffer Zone

None

Non Target Arthropods Buffer Zone

None

Stage of use

Post emergence up to 21 days before harvest

Restriction of Use

As a precaution AMISTAR TOP should not be applied where there is a risk of spray drift onto neighbouring apple crops.

Strawberry
add remove

Black spot (Colletotrichum acutatum)
add remove

Maximum individual dose

1.0 l/ha

Maximum number of applications

2 with a minimum spray interval of 7 days

Pre Harvest Interval (PHI)

3 days

Aquatic Buffer Zone

5 metres

Non Target Plant Buffer Zone

None

Non Target Arthropods Buffer Zone

None

Stage of use

Beginning of flowering, but not before GS41 up to 3 days before harvest

Restriction of Use

As a precaution AMISTAR TOP should not be applied where there is a risk of spray drift onto neighbouring apple crops.

Leaf blotch (Gnomonia comari)
add remove

Maximum individual dose

1.0 l/ha

Maximum number of applications

2 with a minimum spray interval of 7 days

Pre Harvest Interval (PHI)

3 days

Aquatic Buffer Zone

5 metres

Non Target Plant Buffer Zone

None

Non Target Arthropods Buffer Zone

None

Stage of use

Beginning of flowering, but not before GS41 up to 3 days before harvest

Restriction of Use

As a precaution AMISTAR TOP should not be applied where there is a risk of spray drift onto neighbouring apple crops.

Powdery mildew
add remove

Maximum individual dose

1.0 l/ha

Maximum number of applications

2 with a minimum spray interval of 7 days

Pre Harvest Interval (PHI)

3 days

Aquatic Buffer Zone

5 metres

Non Target Plant Buffer Zone

None

Non Target Arthropods Buffer Zone

None

Stage of use

Beginning of flowering, but not before GS41 up to 3 days before harvest

Restriction of Use

As a precaution AMISTAR TOP should not be applied where there is a risk of spray drift onto neighbouring apple crops.

Application Advice

Mixing and spraying	Half fill the sprayer with water, add AMISTAR TOP then top up the tank whilst maintaining agitation. Apply using a medium quality spray. A spray pressure of at least 2 bar is preferred.
Water volume	200-600 l/ha for Brassicas and Carrots, 300-1000 l/ha for Leeks, 300-1200 l/ha for Rocket (Outdoor) and Strawberries (Outdoor & Protected)
Rainfastness	2 hours

Emergency

In the event of a Toxic or Transport Emergency in the UK please telephone 01484538444 at any time.

Links and Downloads

picture_as_pdf AMISTAR TOP Tank Mix List (20.39 KB) download

picture_as_pdf AMISTAR TOP Safety Data Sheet NI v3.1 (447.36 KB) download

picture_as_pdf AMISTAR TOP Safety Data Sheet GB v13.3 (420.01 KB) download

picture_as_pdf AMISTAR TOP Product Label (106.25 KB) download

AMISTAR TOP

Last updated:

21.10.2025

Fungicide

Crop protection

Authorisation Number:

MAPP No: 18050

Pack size:

5 Litres

Composition:

200 g/l

azoxystrobin

125 g/l

difenoconazole

Activity Group:

Group 3 + Group 11

Formulation:

SC (Suspension Concentrate)

NANUM number:

NAN1869/2009

Go to Links and downloads

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