Publication 360, Fruit Production Recommendations:
Sour Cherry Calendar - Postharvest

Table of Contents

1. Postharvest
   • Leaf spot
   • Powdery mildew
   • Precautions
2. Other Sour Cherry Calendar Sections
   • Dormant
   • Prebloom
   • Bloom
   • Petal fall
   • Shuck split
   • First cover (12 days after shuck split)
   • Special sprays (when monitoring indicates the need)
   • Second cover (12 days after first cover)
   • Third cover
   • Special sprays (when monitoring indicates the need)
   • Preharvest
   • Special sprays (when monitoring indicates the need)
   • Postharvest fruit treatment
   • Fall spray
3. Other Information on Sour Cherries
   • Growth regulators for Sour Cherries
   • Notes on Tender Fruit Insects & Diseases
   • Table 7-6. Products Used on Sour Cherries
   • Table 7-11. Activity of Fungicides on Stone Fruit Diseases
   • Tender Fruit Nutrition
4. Sour Cherry Calendar PDF 86 KB
5. Chapter 7 - Tender Fruit Calendar PDF 335 KB
6. Related Links
   

Leaf spot (Postharvest)

• Materials: Use one of:
  • Bravo 500 @ 7.00L/ha
  • SupraCaptan 80 WDG @ 4.5 kg/ha
    or Maestro 80 DF @ 4.5 kg
  • Nova 40 W @ 340 g/ha
  • Equal 65 WP @ 2.25 kg/ha
  • Pristine WG @ 750 g/ha
  • Flint 50 WG @ 210 g/ha
• Comments: Necessary where leaf spot is a problem.
  Pristine and Flint: Do not alternate between these products.
  Flint: Do not apply where spray drift may reach Concord grapes as it may cause crop injury.
  

Powdery mildew (Postharvest)

• Materials: Use one of:
  • Cabrio EG @ 670 g/ha
  • Pristine WG @ 750 g /ha
• Comments: Pristine and Cabrio: Do not alternate Pristine with Cabrio.
  Pristine: Provides suppression of powdery mildew.
  

Precautions

Read the product label and follow all safety precautions. Consult the product label for suggested water volumes. Otherwise, use enough water to ensure thorough spray coverage. Where the product rate is listed in amount per 1,000 L and if a water volume is not provided on the label, use enough water to wet the foliage to the near drip point.

Products are grouped by fungicide and insecticide family. Use products from different groups to prevent pest resistance. For resistance management refer to Pest Resistance to Insecticides, Fungicides, Miticides.

For preharvest interval, re-entry period, maximum number of applications and chemical group, see Table 7-6. Products Used on Sour Cherries.

Related Links

• Integrated Pest Management (IPM)
• Pesticide Application and Safety
• Pesticide Companies and Agents
• Search the PMRA website
• Ontario Minor Use Program
• OMAFRA Publication 505: Ontario Weeds
• OMAFRA Publication 360: Fruit Production Recommendations