Dithane™ Rainshield™

Fungicide

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Dithane™ Rainshield™ fungicide provides broad spectrum disease control and acts on six enzymatic pathways in the fungal cell to inhibit spore germination.

Learn more about Corteva Agriscience Horticulture Products

Benefits

Forty years and counting, Dithane Rainshield fungicide, the world’s most trusted fungicide.

Yield

Protect crop yields by managing damaging diseases in a variety of crops.

Economics

Rapid control of numerous diseases at an economical price.

Resistance management

Unique multi-site activity explains why no fungal resistance has developed in over 40 years of use.

Rotation option

Contact control provides a rotation option from systemic fungicides in wheat, lentils and potatoes.

Registrations

Registered for use in Canada.

Registered
Unregistered

Crops

Below lists the crops that Dithane Rainshield fungicide can be used on.

Alfalfa

Alfalfa, For Seed (Medicago sativa ssp. sativa)

Apple

Ash

Ash (Fraxinus spp.)

Cantaloupe

Cantaloupe (Cucumis melo var. cantalupensis)

Carrot

Carrot (Daucus carota ssp. sativus)

Celeriac Celery Root

Cucumber

Cucumber (Cucumis sativus var. sativus)

Fir

Fir, Douglas, Release (Pseudotsuga menziesii)

Fir, Douglas (Pseudotsuga menziesii)

Ginseng

Ginseng (Panax quinquefolius)

Grape

Grape (Vitis spp.)

Honeysuckle

Honeysuckle (Lonicera spp.)

Oak

Oak (Quercus spp.)

Onion

Onion (Allium spp.)

Potato

Potato (Solanum tuberosum ssp. Tuberosum)

Pumpkin

Squash

Squash (Cucurbita spp.)

Tobacco

Tobacco (Nicotiana tobacum)

Tomato

Tomato (Lycopsersicon esculentum)

Vegetables

Vegetables, Cucurbit (Cucurbitaceae)

Watermelon

Watermelon (Citrullus lanatus)

Wheat

Wheat (Triticum spp.)

Technical Specifications

Application Method

Aerial
Ground
Approved Use

Refer to the Dithane Rainshield label for complete use instructions.
Refer to the Controlled Disease list for the full list of diseases.
Rates

• Alfalfa: 0.59 kg/ac
• Lentils: 0.9 kg/ac
• Potatoes: 0.45-0.9 kg/ac (start with low rate, increase to maximum rate as foliage develops)
• Wheat: 0.45 kg/ac (early spray), 0.9 kg/ac (late spray)
• Water volume: 18 L/ac (aircraft), 45-80 L/ac (ground), and 324 L/ac (sugar beets)
• Pressure: 345 kPa
• Nozzles: Hollow cones or flat fan recommended
Application Timing

For Alfalfa (seed production only), Lentils, Potatoes, Wheat

• Lentils: First application before flower when bud formation is evident. Second application 10 to 12 days after first application, but before rows close in to and form a dense canopy. If conditions for disease persist, a third application may be applied 10 to 14 days later.
• Potatoes: When plants are 10 to 15 cm tall; repeat at 7 to 10 day intervals.
• Wheat: 2-leaf to 3-leaf (early application), 2 tillers to fully headed (late application).

Rainfast: 2 Hours
Crop Rotation

No restrictions.
Mixing Instructions

For Alfalfa (seed production only), Lentils, Potatoes, Wheat

Ground
1) Pour Dithane Rainshield slowly into filled spray tank while the agitator is running.
2) Completely fill tank with water.
3) After Dithane Rainshield has been mixed into a suspension, add other co-applied pesticides, growth regulators, micronutrients or spray adjuvants.
Aerial
1) Premix Dithane Rainshield thoroughly in a nurse tank.
2) Fill spray hopper to the desired final water volume.
3) Add slurry from Step 1 to spray hopper.
4) Top off hopper to desired final water volume.
Fungicide Group

Group M3
Grazing

Do not graze treated crops or cut for hay.
Tank Mixes
- Nova Fungicide