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Delaro Fungicide



How do you produce the best pulse and soybean crop? Honest sweat. Elbow grease. And the best fungicide in the business. Hey, you already know how hard it can be to grow peas, lentils and soybeans. So make an easy decision this season. Choose Delaro® fungicide, a high-performing fungicide that checks all the boxes: broad-spectrum, long-lasting disease protection, improved quality and the all-important increase in yield. And don’t forget, you can use Delaro on your cereal crops for comprehensive leaf disease control.

Delaro is the #1 pulse fungicide in Western Canada.* In both high and low disease pressure conditions, Delaro has an outstanding track record. View the results for yourself here.

Not sure which fungicide to use and when? Try the Fungicide Selection Tool to help you determine which fungicide is right for your crop.

Choose Delaro to help you achieve your best season yet.

* 2021 BPI Report — Fungicide West Pulses Report

Product Summary


Product Type

  • Fungicide


  • Pulses (Chickpeas/Field Peas/Lentils)
  • Cereals
  • Soybeans
  • See All Crops
Diseases Controlled

Diseases Controlled (Top 3)

Diseases Supressed

Diseases Suppressed (Top 3)

  • Charcoal Rot (Soybean Only)
  • White mould (Soybean Only)
Groups and Active Ingredients

Groups and Active Ingredients

  • Prothioconazole Group 3
  • Trifloxystrobin Group 11
Formulation Type

Formulation Type

  • Suspension


Key Features

  • Delaro combines two highly dynamic and complementary active ingredients - prothioconazole (Group 3) and trifloxystrobin (Group 11) for dual mode of action to provide quick and long-lasting protection
  • Proven broad-spectrum, comprehensive, disease control for all major pulse and soybean stem, leaf and pod diseases
  • Now registered for leaf disease control in cereals with optimal timing being at early flag leaf, before the head starts to emerge from the boot


Anthracnose lentils treated with Delaro vs. untreated. Ascochyta lentils treated with Delaro vs. untreated.

Watch the video below for more about the benefits of Delaro and application information.

Active Ingredients

Group 3 Group 11
Group 3
Group 11


Cereals Icon

Wheat (durum, spring, winter)

Corn Icon

Field Corn
Sweet Corn
Seed Corn

Pulse Icon

Field Peas

Soybeans Icon


Diseases Controlled

Ascochyta blight
Asian soybean rust
Brown Spot
Crown rust
Eye spot
Frogeye leaf spot
Grey leaf spot
Grey mould
Leaf blotch
Leaf rust
Net blotch
Northern corn leaf blight
Mycosphaerella blight
Phomopsis stem blight
Powdery mildew
Septoria leaf blotch
Southern corn rust
Stem rust
Stripe rust
Tan spot
White mould*
* in chickpeas, dry peas and lentils

Diseases Suppressed

Charcoal rot
White mould**
** soybean only

Province of Registration

British Columbia


Field peas, lentils, and chickpeas 355 mL/ac. (20ac./jug or 320 ac./tote)
Soybeans, corn, spring wheat, durum, barley, oats, triticale 230 mL/ac. (30 ac./jug or 480 ac./tote)
Winter wheat 177 – 230 mL/ac (30 - 40 ac/jug or 480 - 640 ac/tote)


Field peas, chickpeas Apply at the beginning of flowering or at first sign of disease
Lentils Apply at the beginning of flowering or at first sign of disease

When disease pressure is high, a sequential application of Delaro is permitted when the target disease is different
Soybeans Begin fungicide applications preventatively or at the first signs of disease from the beginning of bloom (R1) to the beginning of seed formation (R5), with optimal timing being between mid-bloom (R1.5) and onset of pod formation (R3)
Cereals For optimum control of foliar diseases, apply at the very early stages of disease development, from 4 leaf to flag leaf, but prior to head emergence

Complete a follow-up application with Prosaro® XTR at heading for fusarium head-blight protection and comprehensive foliar disease management. Once the head has started to emerge from the boot avoid application of Delaro fungicide. Switch to Prosaro XTR fungicide.
Corn Apply between 7 leaf and early tassel, or at the onset of the disease

Delaro fungicide spray timing for soybeans


Water Volumes
  • Ground – minimum of 10 US gal./ac. (40 L/ac.)
  • Aerial – minimum of 5 US gal./ac. (20 L/ac.)


Rainfast one hour after application.


Pre-Harvest Interval
Chickpeas, field peas, lentils 7 days of cutting for forage
30 days of harvest of seed
Soybeans 20 days
Sweet corn 14 days
Field corn, Popcorn 30 days
Cereals 30 days of cutting for forage or grazing
45 days of harvest for grain, straw and hay


Resistance Management

  • Where possible, rotate the use of Delaro fungicide or other Group 3 and 11 fungicides with different groups that control the same pathogens

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