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Scala

Overview

Scala® is a systemic fungicide for control of botrytis in grapes and strawberries, scab in apples and pears, early blight in potatoes and storage diseases in apples (ON and QC only). It provides translaminar and vapour activity to protect both sides of the leaf and expand the protected area.

Scala is the only fungicide for grapes proven to significantly reduce laccase in wine, an enzyme produced by botrytis that negatively affects wine quality. It is known as the cool weather fungicide in apples and pears due to its unique ability to perform well in cool spring conditions. Used as a pre-harvest spray, Scala also protects apples in storage from destructive diseases such as botrytis and penicillium.

In potatoes, Scala is the only Group 9 fungicide registered for protection against early blight. Scala has a unique mode of action – different than strobilurins – and is registered as a tank mix with Bravo® to provide two modes of action for stronger resistance management. A new registration for aerial application in potatoes means Scala can now be applied by air as well as ground equipment to control early blight. 

Scala is very easy to use, formulated as a liquid and packaged in 2L and 6.07L jugs.

Product Summary

Fungicide

Product Type

  • Fungicide
Crops

Crops

Diseases Controlled

Diseases Controlled (Top 3)

Diseases Supressed

Diseases Suppressed (Top 3)

  • Botrytis Storage Diseases
  • Penicillium Storage Diseases
Groups and Active Ingredients

Groups and Active Ingredients

  • Pyrimethanil Group 9
Formulation Type

Formulation Type

  • 400 g/L liquid flowable
Packaging

Packaging

  • Available in 2 and 6.07 L jugs

Application Tips

Overview


  • Group 9 fungicide – unique to potatoes – great for resistance management
  • Superior early blight protection
  • Must be tank-mixed with the labelled rate of Bravo
  • Local systemic activity to protect new growth
  • Translaminar movement to protect both sides of the leaf

 

Apple Spray program

Scala

 

Crop Disease controlled Application rate Application timing
Apples Pears Scab 0.75-1.0 L/ha Apply early in the season at 7-12 day intervals, from green tip to petal drop. For scab control, do not apply post-bloom.
Apples (Ontario & Quebec only) Storage disease of botrytis
Storage disease of penicillium (suppression)
1.5-2.0 L/ha Apply 2 weeks before harvest.
Grapes Botrytis bunch rot 2.0 L/ha Begin applications at early bloom if needed then follow with applications from berry touch to bunch closure. An application can also be made from fruit ripening through to harvest during frequent wet conditions (conducive to infection) or when symptoms of infection are evident. Thorough coverage of bunches is essential. Applications must be made a minimum of 7 days apart.
Strawberries Botrytis grey mould 2.0 L/ha Make first application at the white bud stage (prebloom) and repeat applications as required at 7-10 day intervals.
Potatoes Early blight 750 mL/ha plus Bravo 500 according to label directions Apply when plants are 15-20 cm high or when environmental conditions are conducive to disease development. Repeat applications at 7-14 day intervals or as necessary to maintain disease control. If severe disease conditions exist, use the 7 day interval. Minimum spray interval is 7 days. Ensure that the area to be treated is covered uniformly.
  • Use Scala + Bravo where you would normally use a specialty early blight product
  • Apply when environmental conditions are conducive to disease development. Repeat applications at 7-14 day intervals or as necessary to maintain disease control. If severe disease conditions exist, use the 7-day interval.

 

Application Tips


  • Thorough coverage of all plant parts to be protected is essential for good disease control. Use sufficient water volume and spray pressure to provide thorough and uniform coverage for optimum disease control.
  • Rainfastness: Two hours

 

Pre-harvest intervals:

  • Apples - 72 days
  • Pears - 72 days
  • Apples for storage - 14 days
  • Grapes - 7 days
  • Strawberries - 1 day
  • Potatoes - 7 days

Fact Sheet

Active Ingredients

Pyrimethanil

Resistance Management

Where possible, rotate the use of Scala or other Group 9 fungicides with different groups that control the same pathogens. Use tank mixtures with fungicides from a different group when such use is permitted.

Crops

Apples
Ginseng
Grapes
Pears
Potatoes
Strawberries
Greenhouse Tomatoes

Diseases Controlled

Apple scab
Botrytis bunch rot
Botrytis grey mould
Early blight
Storage disease

Labels and SDS

Registered Tank Mixes

Bravo (in potatoes)

Province of Registration

Alberta
British Columbia
Manitoba
New Brunswick
Newfoundland
Northwest Territories
Nova Scotia
Nunavut
Ontario
Prince Edward Island
Quebec
Saskatchewan
Yukon

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