Disease Control

Certis Double Nickel

Double Nickel Organic Bio Fungicide

Double Nickel 55 WG & Double Nickel LC are broad spectrum preventive bio-fungicides for control or suppression of fungal and bacterial plant diseases. This novel biological has shown efficacy on more than 90 different diseases.  Double Nickel Can be used as a foliar spray or for soil applications.

Double Nickel 55 Benefits

  • OMRI Listed organic, the most stringent standard for food production in the industry.
  • Manufacturing expertise ensures a reliable, potent formulation containing a consistent, high CFU count.
  • Has shown efficacy on more than 90 different diseases.
  • Flexible application methods - Double Nickel can be used as a foliar spray or for soil applications to control or suppress fungal and bacterial diseases above and below the surface.

Diseases Controlled By Double Nickel 55

  • Powdery mildew
  • Sclerotinia spp.
  • Botrytis spp.
  • Alternaria spp.
  • Bacterial leaf spot
  • Bacterial spot and speck
  • Fire blight
  • Xanthomonas ssp.
  • Monilinia ssp

Crops Protected by Double Nickel 55

  • Leafy vegetables and brassicas
  • Fruiting vegetables
  • Strawberries and cane berries
  • Curcurbits
  • Grapes
  • Root, tuber, corm and bulb vegetables
  • Stone fruit and tree nuts
  • Pome fruit
  • Citrus

Double Nickel 55 Active Ingredients

Double Nickel WG (Wettable Powder):
Bacillus amyloliquefaciens strain D747 ........................ 25%

Double Nickel LC (Liquid):
Bacillus amyloliquefaciens strain D747 ........................ 98.85%

Double Nickel 55 Available Sizes

Double Nickel WG (Wettable Powder):

  • 5 lb. Bag (Covers 10 acres).

Double Nickel LC (Liquid):

  • 2.5 Gallon (Covers 8 Acres).
  • 250 Gallon Tote (Covers 800 Acres).

Double Nickel 55 Info

Sign up for our mailing list for product updates and best practices. Plus, receive special offers and reminders about when to order and apply.


By submitting this form, you are consenting to receive marketing emails from: . You can revoke your consent to receive emails at any time by using the SafeUnsubscribe® link, found at the bottom of every email. Emails are serviced by Constant Contact