Publication 360, Fruit Production Recommendations:
Saskatoon Berry Calendar - Flower bud break

Table of Contents

1. Flower bud break
   • Saskatoon-juniper rust
   • Entomosporium leaf and berry spot
   • Precautions
2. Other Saskatoon Berry Calendar Sections
   • Early bud break
   • White tip
   • Bloom
   • Petal fall
   • Green fruit
   • After Harvest
3. Other Information on Saskatoon Berries
   • Table 5-17. Products Used on Saskatoon Berries
   • Notes on Saskatoon Berry Diseases and Insects
4. Saskatoon Berry Calendar PDF 168 kb
5. Pub 360, Chapter 5, Berry Crops - PDF 364 kb
6. Related Links

Saskatoon-juniper rust (Flower bud break)

• Materials: Apply one of;
  • Funginex DC @ 3.0 L/ha
  • Pristine WG @ 1.6 kg/ha
• Comments: This disease causes yellow spots and swellings on leaves and fruit. Infections on juniper spread up to 2 km to saskatoons. Prune out rust galls on juniper or remove entire juniper plants to reduce disease pressure. Spray fungicides before symptoms develop on saskatoons. Make one application of Funginex to saskatoons, between flower bud break and white tip.
• Learn more:
  • Notes on Saskatoon Berry Diseases and Insects
    • Saskatoon-juniper rust

Sentomosporium leaf and berry spot(Flower bud break)

• Materials: Apply one of;
  • Funginex DC @ 3.00 L/ha
  • Kumulus DF @ 7.50 kg
  • Switch 62.5 WG @ 775-975 kg/ha
  • Pristine WG @ 1.6 kg/ha
• Comments: Angular brown spots develop first on lower leaves, causing yellowing, defoliation and fruit cracking. Spray fungicides before symptoms develop. Apply at flower bud break and repeat at 10-14 day intervals while disease risk persists.
  Funginex: Make one application of Funginex, between flower bud break and white tip.
  Kumulus: Do not apply if temperatures are over 27°C or leaf injury may result.
  Switch: For suppression of entomosporium leaf spot.
• Learn more:
  • Notes on Saskatoon Berry Diseases and Insects
    • Entomosporium leaf and berry spot

  
  

Precautions

Read the product label and follow all safety precautions.
Always consult the product label for suggested water volumes. Otherwise, use enough water to ensure thorough spray coverage.

Products are listed according to insecticide and fungicide family groups. Use products from different groups to help 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 5-17. Products Used on Saskatoon Berries.

Related Links

• Notes on Saskatoon Berry Diseases and Insects
• OMAFRA Berry Index Page
• 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 75: Guide To Weed Control: Berry Crops