AMISTAR
Fungicide
Authorisation Number:
ACVM: P4840 | HSNO: HSR000655
Pack size:
5 litres
20 litres
Composition:
250 g/L
AZOXYSTROBIN
Activity Group:
Group 11 Fungicide
Formulation:
Suspension Concentrate
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Product overview
AMISTAR® is a fungicide for the control of a wide range of diseases in Barley, Grapes, Maize, Onions, Peas, Potatoes, Ryegrass seed crops, Sweetcorn, field Tomatoes and Wheat.
Registration
Registration
Barley
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Comment
Refer to label
Didymella Leaf Scorch
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Recommended dose
750 mL/ha
Maximum number of applications
2 per crop
Pre Harvest Interval (PHI)
35 Days
Stage of use
Apply as a preventative spray. If disease is present, or conditions prior to application have been favourable for disease infection the addition of an approved triazole fungicide is recommended.
Late season Head Disease complex (Alternaria, Cladosporium, Microdochium nivale, Stemphylium)
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Recommended dose
750 mL/ha
Maximum number of applications
2 per crop
Pre Harvest Interval (PHI)
35 Days
Stage of use
Apply as a preventative spray after ear emergence GS 57-69.
Leaf Rust
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Recommended dose
750 mL/ha
Maximum number of applications
2 per crop
Pre Harvest Interval (PHI)
35 Days
Stage of use
Apply as a preventative spray. If disease is present, or conditions prior to application have been favourable for disease infection the addition of an approved triazole fungicide is recommended.
Net Blotch
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Recommended dose
750 mL/ha
Maximum number of applications
2 per crop
Pre Harvest Interval (PHI)
35 Days
Stage of use
Apply as a preventative spray. If disease is present, or conditions prior to application have been favourable for disease infection the addition of an approved triazole fungicide is recommended.
Ovularia Leaf Spot
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Recommended dose
750 mL/ha
Maximum number of applications
2 per crop
Pre Harvest Interval (PHI)
35 Days
Stage of use
Apply as a preventative spray. If disease is present, or conditions prior to application have been favourable for disease infection the addition of an approved triazole fungicide is recommended.
Scald
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Recommended dose
750 mL/ha
Maximum number of applications
2 per crop
Pre Harvest Interval (PHI)
35 Days
Stage of use
Apply as a preventative spray. If disease is present, or conditions prior to application have been favourable for disease infection the addition of an approved triazole fungicide is recommended.
Spot Blotch
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Recommended dose
750 mL/ha
Maximum number of applications
2 per crop
Pre Harvest Interval (PHI)
35 Days
Stage of use
Apply as a preventative spray. If disease is present, or conditions prior to application have been favourable for disease infection the addition of an approved triazole fungicide is recommended.
Grapes
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Comment
Use the shorter spray intervals during periods of severe disease pressure.
Botrytis
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Recommended dose
80 mL/100 litres (800 mL/ha)
Maximum number of applications
3 per season
Pre Harvest Interval (PHI)
14 Days
Stage of use
Apply at 10 to14 day intervals from early flowering to pre-harvest.
Downy Mildew
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Recommended dose
80 mL/100 litres (800 mL/ha)
Maximum number of applications
3 per season
Pre Harvest Interval (PHI)
14 Days
Stage of use
Apply at 10 to14 day intervals from early flowering to pre-harvest.
Powdery Mildew
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Recommended dose
80 mL/100 litres (800 mL/ha)
Maximum number of applications
Refer to NZPPS guidelines
Pre Harvest Interval (PHI)
14 Days
Stage of use
Apply at 10 to14 day intervals from early flowering to pre-harvest.
Maize
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Comment
Refer to label
Northern Leaf Blight (Setosphaeria turcica)
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Recommended dose
1 L/ha
Maximum number of applications
2 per season
Pre Harvest Interval (PHI)
56 Days
Stage of use
Apply as a preventative spray especially before but no later than tasselling when disease infection is most likely to occur. A second application may be required 14 days later if disease pressure continues.
Rust (Puccinia sorghi)
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Recommended dose
1 L/ha
Maximum number of applications
2 per season
Pre Harvest Interval (PHI)
56 Days
Stage of use
Apply as a preventative spray especially before but no later than tasselling when disease infection is most likely to occur. A second application may be required 14 days later if disease pressure continues.
Onions
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Comment
Applications MUST be made with the addition of a non-ionic wetting agent at manufacturer's label rates. Use higher spraying pressure or air assisted equipment to enhance penetration in densely foliated crops.
Downy Mildew
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Recommended dose
500 mL/ha
Maximum number of applications
3 or 4 per crop
Pre Harvest Interval (PHI)
35 Days
Stage of use
Apply as a protective spray at 7 day intervals from the 2 leaf growth stage or when conditions favour disease infection but prior to disease development.
Neck rot (Botrytis allii)
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Recommended dose
500 mL/ha
Maximum number of applications
3 or 4 per crop
Pre Harvest Interval (PHI)
35 Days
Stage of use
AMISTAR can be applied at key timings for neck rot control i.e. flag leaf and pre harvest.
Pink Root
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Recommended dose
500 mL/ha
Maximum number of applications
3 or 4 per crop
Pre Harvest Interval (PHI)
35 Days
Stage of use
Apply as a protective spray at 7 day intervals from the 2 leaf growth stage or when conditions favour disease infection but prior to disease development.
Pea (Hay silage)
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Comment
The addition of a surfactant at recommended label rates will assist crop coverage and spray distribution. Use higher spraying pressure or air assisted equipment to enhance penetration in densely foliated crops. Before applying AMISTAR ensure the crop is free from any stress caused by environmental or agronomic factors.
Ascochyta
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Recommended dose
500 mL/ha
Maximum number of applications
3 or 4 per crop
Pre Harvest Interval (PHI)
14 Days
Stage of use
The first application should be made as a protective spray at 5th node to 1st pod formation. A second application 14 to 21 days later is required if disease pressure remains high.
Downy Mildew
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remove
Recommended dose
500 mL/ha
Maximum number of applications
3 or 4 per crop
Pre Harvest Interval (PHI)
14 Days
Stage of use
The first application should be made as a protective spray at 5th node to 1st pod formation. A second application 14 to 21 days later is required if disease pressure remains high.
Powdery Mildew
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remove
Recommended dose
500 mL/ha
Maximum number of applications
3 or 4 per crop
Pre Harvest Interval (PHI)
14 Days
Stage of use
The first application should be made as a protective spray at 5th node to 1st pod formation. A second application 14 to 21 days later is required if disease pressure remains high.
Peas (Dry Seed Peas and Dry Animal Feed Peas)
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Comment
The addition of a surfactant at recommended label rates will assist crop coverage and spray distribution. Use higher spraying pressure or air assisted equipment to enhance penetration in densely foliated crops. Before applying AMISTAR ensure the crop is free from any stress caused by environmental or agronomic factors.
Ascochyta
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remove
Recommended dose
500 mL/ha
Maximum number of applications
3 or 4 per crop
Pre Harvest Interval (PHI)
35 Days
Stage of use
The first application should be made as a protective spray at 5th node to 1st pod formation. A second application 14 to 21 days later is required if disease pressure remains high.
Downy Mildew
add
remove
Recommended dose
500 mL/ha
Maximum number of applications
3 or 4 per crop
Pre Harvest Interval (PHI)
35 Days
Stage of use
The first application should be made as a protective spray at 5th node to 1st pod formation. A second application 14 to 21 days later is required if disease pressure remains high.
Powdery Mildew
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remove
Recommended dose
500 mL/ha
Maximum number of applications
3 or 4 per crop
Pre Harvest Interval (PHI)
35 Days
Stage of use
The first application should be made as a protective spray at 5th node to 1st pod formation. A second application 14 to 21 days later is required if disease pressure remains high.
Peas (Garden without pods / process without pods)
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Comment
The addition of a surfactant at recommended label rates will assist crop coverage and spray distribution. Use higher spraying pressure or air assisted equipment to enhance penetration in densely foliated crops. Before applying AMISTAR ensure the crop is free from any stress caused by environmental or agronomic factors.
Ascochyta
add
remove
Recommended dose
500 mL/ha
Maximum number of applications
3 or 4 per crop
Pre Harvest Interval (PHI)
14 Days
Stage of use
The first application should be made as a protective spray at 5th node to 1st pod formation. A second application 14 to 21 days later is required if disease pressure remains high.
Downy Mildew
add
remove
Recommended dose
500 mL/ha
Maximum number of applications
3 or 4 per crop
Pre Harvest Interval (PHI)
14 Days
Stage of use
The first application should be made as a protective spray at 5th node to 1st pod formation. A second application 14 to 21 days later is required if disease pressure remains high.
Powdery Mildew
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remove
Recommended dose
500 mL/ha
Maximum number of applications
3 or 4 per crop
Pre Harvest Interval (PHI)
14 Days
Stage of use
The first application should be made as a protective spray at 5th node to 1st pod formation. A second application 14 to 21 days later is required if disease pressure remains high.
Potatoes
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Comment
Always use the closer intervals during periods of severe disease pressure. Use higher spraying pressure or air assisted equipment to enhance penetration in densely foliated crops.
Early Blight
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Recommended dose
500 mL/ha
Maximum number of applications
3 or 4 per crop
Pre Harvest Interval (PHI)
14 Days
Stage of use
Apply as a protective spray at 7 to 10 day intervals during periods of active growth. Intervals can be increased to 10 to14 days later in the season as haulm growth ceases.
Late Blight
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Recommended dose
500 mL/ha
Maximum number of applications
3 or 4 per crop
Pre Harvest Interval (PHI)
14 Days
Stage of use
Apply as a protective spray at 7 to 10 day intervals during periods of active growth. Intervals can be increased to 10 to14 days later in the season as haulm growth ceases.
Potatoes (in-furrow planting application)
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Comment
DO NOT apply AMISTAR if conditions or seed quality favour bacterial rots as these diseases may be aggravated if seed comes into contact with additional moisture.
Black scurf
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Recommended dose
10 mL/100 m of row
Maximum number of applications
N/A
Pre Harvest Interval (PHI)
14 Days
Stage of use
Apply at planting as an in-furrow spray in 50 to 150 L water/ha. Direct the spray into the furrow just before the tuber is covered with soil as a 15 to 30 cm band ensuring the tuber and immediate surrounding soil is sprayed.
Silver scurf
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Recommended dose
10 mL/100 m of row
Maximum number of applications
N/A
Pre Harvest Interval (PHI)
14 Days
Stage of use
Apply at planting as an in-furrow spray in 50 to 150 L water/ha. Direct the spray into the furrow just before the tuber is covered with soil as a 15 to 30 cm band ensuring the tuber and immediate surrounding soil is sprayed.
Ryegrass Seed Crops
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Comment
If disease is present, or conditions prior to application have been favourable for disease infection the addition of an approved triazole fungicide is recommended. Re-infection may require further treatment.
Crown Rust
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Recommended dose
750 mL/ha
Maximum number of applications
2 per crop
Pre Harvest Interval (PHI)
35 Days
Stage of use
Apply as a preventative spray.
Sweetcorn
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Comment
Refer to label
Northern Leaf Blight (Setosphaeria turcica)
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Recommended dose
1 L/ha
Maximum number of applications
2 per season
Pre Harvest Interval (PHI)
14 Days
Stage of use
Apply as a preventative spray especially before but no later than tasselling when disease infection is most likely to occur. A second application may be required 14 days later if disease pressure continues.
Rust (Puccinia sorghi)
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remove
Recommended dose
1 L/ha
Maximum number of applications
2 per season
Pre Harvest Interval (PHI)
14 Days
Stage of use
Apply as a preventative spray especially before but no later than tasselling when disease infection is most likely to occur. A second application may be required 14 days later if disease pressure continues.
Tomatoes (field)
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Comment
Use higher spraying pressure or air assisted equipment to enhance penetration in densely foliated crops. DO NOT apply to field tomatoes with a surfactant or crop oil concentrate.
Black Mould / Anthracnose
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Recommended dose
500 mL/ha
Maximum number of applications
3 or 4 per crop
Pre Harvest Interval (PHI)
14 Days
Stage of use
Apply as a protective spray at 10 to 14 day intervals.
Early Blight
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Recommended dose
500 mL/ha
Maximum number of applications
3 or 4 per crop
Pre Harvest Interval (PHI)
14 Days
Stage of use
Apply as a protective spray at 10 to 14 day intervals.
Late Blight
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Recommended dose
500 mL/ha
Maximum number of applications
3 or 4 per crop
Pre Harvest Interval (PHI)
14 Days
Stage of use
Apply as a protective spray at 10 to 14 day intervals.
Wheat
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Comment
Refer to label
Didymella Leaf Scorch
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Recommended dose
750 mL/ha
Maximum number of applications
2 per crop
Pre Harvest Interval (PHI)
35 Days
Stage of use
Apply as a preventative spray from flag leaf emergence GS 39.
Glume Blotch
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Recommended dose
750 mL/ha
Maximum number of applications
2 per crop
Pre Harvest Interval (PHI)
35 Days
Stage of use
For protection of the flag leaf apply as a preventive spray from flag leaf emergence GS 39-55. For protection of the seed head apply after ear emergence GS 57-69.
Late season Head Disease complex (Alternaria, Cladosporium, Microdochium nivale, Stemphylium)
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remove
Recommended dose
750 mL/ha
Maximum number of applications
2 per crop
Pre Harvest Interval (PHI)
35 Days
Stage of use
Apply as a preventative spray after ear emergence GS 57-69.
Leaf Rust
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remove
Recommended dose
750 mL/ha
Maximum number of applications
2 per crop
Pre Harvest Interval (PHI)
35 Days
Stage of use
Apply as a preventative spray.
Powdery Mildew
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remove
Recommended dose
750 mL/ha
Maximum number of applications
2 per crop
Pre Harvest Interval (PHI)
35 Days
Stage of use
Apply as a preventative spray.
Speckled Leaf Blotch (Septoria tritici)
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Recommended dose
750 mL/ha
Maximum number of applications
2 per crop
Pre Harvest Interval (PHI)
35 Days
Stage of use
Apply as a preventative spray.
Stripe Rust
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remove
Recommended dose
750 mL/ha
Maximum number of applications
2 per crop
Pre Harvest Interval (PHI)
35 Days
Stage of use
Apply as a preventative spray.
Classification and Security
Classification and Security
Re-entry Period |
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Hazard Statements |
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Personal Protective Equipment |
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Application Advice
Application Advice
Tank mixing |
Half fill the spray tank with clean water and start agitation. Shake the closed AMISTAR® container. Whilst filling the remainder of the spray tank add the required amount of AMISTAR®, adding any tank mix products last. Maintain agitation until spraying is complete. |
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Water volume |
Apply in sufficient water to ensure thorough and uniform coverage. |
Rainfastness |
2 hours |
Links and Downloads
Links and Downloads
