TOPAS

Product overview

TOPAS contains penconazole for the control of powdery mildew in apples, crab apple, pears, blackcurrants, redcurrants, grapes, outdoor and protected strawberries.

Registration

Apple
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Powdery mildew
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Maximum individual dose

0.5 l/ha

Maximum number of applications

3 per year

Pre Harvest Interval (PHI)

21 days before harvest

Aquatic Buffer Zone

Unclassified

Non Target Plant Buffer Zone

None

Stage of use

From BBCH 71 (fruit size up to 10 mm; fruit fall after flowering up to 21 days before harvest.

Restriction of Use

For the use on grapes, apples, pears and crab apples the spray concentration must not exceed 0.5 litres product in 250 litres water. For use on currants the spray concentration must not exceed 0.5 litres product in 2000 litres water.

Crab apple
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Powdery mildew
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Maximum individual dose

0.5 l/ha

Maximum number of applications

3 per year

Pre Harvest Interval (PHI)

21 days before harvest

Aquatic Buffer Zone

Unclassified

Non Target Plant Buffer Zone

None

Stage of use

From BBCH 71 (fruit size up to 10 mm; fruit fall after flowering up to 21 days before harvest.

Restriction of Use

Grapes
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Powdery mildew
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Maximum individual dose

0.3 l/ha

Maximum number of applications

3 per year

Pre Harvest Interval (PHI)

28 days before harvest

Aquatic Buffer Zone

Unclassified

Non Target Plant Buffer Zone

None

Stage of use

From 3rd leaf unfolded stage (BBCH 13) up to 28 days before harvest.

Restriction of Use

Outdoor blackcurrant
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Powdery mildew
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Maximum individual dose

0.5 l/ha

Maximum number of applications

2 per year

Pre Harvest Interval (PHI)

28 days before harvest

Aquatic Buffer Zone

Unclassified

Non Target Plant Buffer Zone

None

Stage of use

At first sign of disease (usually mid-late flowering) up to 28 days before harvest.

Outdoor redcurrant
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Powdery mildew
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Maximum individual dose

0.5 l/ha

Maximum number of applications

2 per year

Pre Harvest Interval (PHI)

28 days before harvest

Aquatic Buffer Zone

Unclassified

Non Target Plant Buffer Zone

None

Stage of use

At first sign of disease (usually mid-late flowering) up to 28 days before harvest.

Outdoor strawberry
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Powdery mildew
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Maximum individual dose

0.5 l/ha

Maximum number of applications

2 per crop

Pre Harvest Interval (PHI)

3 days before harvest

Aquatic Buffer Zone

Unclassified

Non Target Plant Buffer Zone

None

Stage of use

From the beginning of stolon/runner formation, visible about 2 cm long (BBCH 41) up to 3 days before harvest.

Pear
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Powdery mildew
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Maximum individual dose

0.5 l/ha

Maximum number of applications

3 per year

Pre Harvest Interval (PHI)

21 days before harvest

Aquatic Buffer Zone

Unclassified

Non Target Plant Buffer Zone

None

Stage of use

From BBCH 71 (fruit size up to 10 mm; fruit fall after flowering up to 21 days before harvest.

Restriction of Use

Strawberry (protected)
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Resistance management / status

Powdery mildew
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Maximum individual dose

0.5 l/ha

Maximum number of applications

4 per crop

Pre Harvest Interval (PHI)

3 days before harvest

Aquatic Buffer Zone

Unclassified

Non Target Plant Buffer Zone

None

Stage of use

From 3rd leaf unfolded stage up to 3 days before harvest

Restriction of Use

Allow a minimum of 10 days between applications

Application Advice

Mixing and spraying	Half fill the sprayer with water, add the TOPAS then top up the tank whilst maintaining agitation. Apply using a medium quality spray using a spray pressure of at least 2 bar.
Water volume	200-2000 l/ha depending on crop situation
Rainfastness	2 hours