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Delaro Complete Fungicide

Delaro® Complete fungicide adds a third mode of action to the proven formula of Stratego® PRO. The three modes of action provide enhanced disease control in corn and soybeans under various environmental conditions and work together to combat the toughest diseases.

In corn, it provides excellent protection against yield robbing diseases such as common rust, eye spot, Northern corn leaf blight and tar spot. In soybeans, Delaro Complete protects against major soybean diseases as well as providing increased protection against white mould.

Product Summary

Product Type



Field corn

Diseases Controlled

Northern corn leaf blight

See All Diseases

Diseases Suppressed

Charcoal rot
Tar spot
White mould

See All Diseases

Groups & Active Ingredients

Fluopyram (Group 7)
Trifloxystrobin (Group 11)
Prothioconazole (Group 3)

Formulation Type



7.1 L jugs

Green Corn tall plants field with thick stems and wavy leaves.

Product Highlights

  • Introduces a new Group 7 active, fluopyram, which offers excellent protection in high disease situations
  • Delaro Complete has three modes of action (Groups 3, 11, 7) that work in tandem for added protection
  • Effective control of major corn and soybean diseases
  • The additional mode of action in Delaro Complete adds to the proven performance of Stratego PRO for even better control of the most important corn and soybean diseases

Groups and Active Ingredients

NEW Fluopyram – Group 7

  • Ideal for high-disease pressure situations and crops
  • Highly plant mobile (moves fast throughout the plant) with residual protection
  • Works different than Group 3 mode of action fungicides, disrupting spore germination
  • Physiological and greening reaction in the plant, leading to improved light energy harvesting

Prothioconazole – Group 3

  • Has longer residual than most Group 3 fungicides
  • Offers better post infection properties than Group 7 and Group 11 mode of action fungicides
  • A very effective active against white mould

Trifloxystrobin – Group 11

  • Broad-spectrum activity – controls moulds, mildews, leaf spot and rusts


  • Field corn
  • Soybeans

Effective Against

Diseases Controlled:

  • Asian soybean rust
  • Brown spot
  • Charcoal rot*
  • Common rust
  • Eye spot
  • Frogeye leaf spot
  • Grey leaf spot
  • Northern corn leaf blight
  • Phomopsis stem blight
  • Southern corn rust
  • Tar spot*
  • White mould*

*Suppression only

How to Apply

Application Tips and Timing

Field corn

Apply when disease first appears and apply a second application 7 to 14 days later if favourable conditions for disease development persist. May be applied by ground or aerial spray equipment.


Apply preventively or at the first signs of disease from early flowering (R1) to complete pod fill (R5). When disease pressure is high or when agronomic or weather conditions are conducive to disease development, make a second application 10 to 14 days later. May be applied by ground or aerial spray equipment.

Note: Do not apply more than 2 applications per season. Do not apply within 30 days of harvest for forage, grain and stover. Do not apply with an adjuvant in corn.

Delaro Complete Application in Corn using the Climate FieldView™ platform

Application Map
Image shows Delaro® Complete Application in corn on Climate FieldView™ platform
Field Health Imagery
Image shows positive crop response eight days after application in areas of the field that received an application of Delaro Complete fungicide.
Image shows positive crop response 25 days after application in areas of the field that received an application of Delaro Complete fungicide.
25 DAA
Image shows positive crop response 60 days after application in areas of the field that received an application of Delaro Complete fungicide.
60 DAA

The FieldView field health imagery above from September 2020, shows areas of the field that received an application of Delaro Complete fungicide resulted in a positive crop response.*

*Your results may vary according to agronomic, environmental and pest pressure variables.

Water Volumes and Tank Mixing


Apply Delaro Complete in a minimum of 10 US gallons/ac. (100 L water/ha).


Apply Delaro Complete in a minimum of 5 US gallons/ac. (50 L of water/ha).

Delaro Complete must be applied with properly calibrated, clean equipment. Prior to adding Delaro Complete to the spray tank, ensure that the spray tank is thoroughly clean.

Delaro Complete applied alone:

  • Add one-half of the required amount of water to the spray or mixing tank and start agitation
  • Add the required quantity of Delaro Complete to the water and complete filling with water to the required total volume
  • Maintain agitation throughout mixing and spraying
  • For application in soybeans: Delaro Complete should be thoroughly dispersed prior to the addition of a non-ionic surfactant. Delaro Complete is recommended to be used with a registered non-ionic surfactant, such as Agral® 90 or Ag-Surf® II, at 0.125% vol/vol.

How to Manage Resistance?

For resistance management, please note that Delaro Complete contains a Group 3, Group 11 and Group 7 fungicide. Any fungal population may contain individuals naturally resistant to Delaro Complete and other Group 7 and Group 3 fungicides. A gradual or total loss of pest control may occur over time if these fungicides are used repeatedly in the same fields. Other resistance mechanisms that are not linked to site of action, but specific for individual chemicals, such as enhanced metabolism, may also exist. Appropriate resistance-management strategies should be followed.


To delay fungicide resistance:

  • Where possible, rotate the use of Delaro Complete or other Group 3, Group 11 and Group 7 fungicides with products from different fungicide Groups that control the same pathogens
  • Do not apply more than the indicated maximum number of applications per year specified for each crop
  • Fungicide use should be based on an integrated disease management program that includes scouting, historical information related to pesticide use and crop rotation and considers host plant resistance, impact of environmental conditions on disease development, disease thresholds, as well as cultural, biological and other chemical control practices. Where possible, make use of predictive disease models to effectively time fungicide applications.
  • Monitor treated fungal populations for resistance development. Notify Bayer if reduced sensitivity of the pathogen to Delaro Complete is suspected.
  • If disease continues to progress after treatment with this product, do not increase the use rate. Discontinue use of this product, and switch to another fungicide with a different target site of action, if available.
  • Contact your local extension specialist, certified crop advisor, or Bayer at 1-888-283-6847 for any additional pesticide resistance-management and/or integrated disease-management recommendations for specific crops and disease biotypes

Provinces of Registration

  • Ontario
  • Quebec
  • New Brunswick
  • Nova Scotia
  • Prince Edward Island
  • Newfoundland
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