Bonide Copper Fungicide RTS

Bonide Copper Fungicide RTS

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Product Overview

Bonide Copper Fungicide RTS is specially formulated to help protect flowers, turf, ornamentals, vegetables, fruits and a broad range of plants against listed diseases. This ready-to-spray formulation uses low concentration of copper which is effective in controlling plant diseases such as powdery mildew, downy mildew, early blight, black spot, rust, and more. It features a unique formula that is suitable for organic gardening. It can be used as a foliar spray and may be applied as a preventive spray or soon as disease appears.

Features and Specs

Active Ingredient Copper Octanoate (Copper Soap) 10%
Target pests Powdery Mildew, Downy Mildew, Early Blight, Black Spot, Rust
For use in Fruits, Nuts, Herbs, Ornamental Plants and Vegetables
Application Foliar spray
Pet safe Yes, if used as directed on Label
Special Features Suitable for organic gardening
Shipping Weight 1.35 lbs
Manufacturer Bonide (Mfg. Number: 813)
UPC 037321008132
EPA Registration 67702-2-4



Do not allow adults, children or pets to enter the treated area until sprays have dried. Do not apply this product in a way that will contact adults, children or pets, either directly or through drift


Shake well before use. The hose-end sprayer automatically dilutes the product to control listed diseases at a rate of 1.1 to 2.3 gallons of diluted spray per 1,000 sq. ft.

For best control, start spraying before the disease is visible or when disease is first visible on the plant. Spray all plant parts thoroughly (top and bottom of leaves), and unless otherwise directed in the crop table, repeat every 7 to 10 days. See application noted for the specific crop application interval. If possible, time applications so that at least 12 hours of dry weather follows application. Reapply after rain, following crop specific application interval.

Hydroponic use:

Apply as soon as disease appears, or as a preventive spray 2 weeks before disease normally appears. Apply as a foliar spray only. Do not apply directly to the water in hydroponic gardening systems. Discarded water from hydroponic growing systems may be used in greenhouses and to water indoor and outdoor containers plants and garden areas. Water from these systems is prohibited from being discarded directly into a water source.

When powdery mildew presence is expected on a plant, spray the plants at the minimum application interval during the first 2 weeks after emergence. To control downy mildews, leaf and fruit spots, blights, and rust, begin treatment 2 weeks before disease normally appears or when weather forecasts predict a long period of wet weather. Alternatively, begin treatment when disease first appears, and repeat as long as needed.

To prevent fruit rots, apply at the start of flowering and unless otherwise directed in the crop table, repeat every 7 to 10 days until harvest. Fungicidal sprays are especially warranted when weather forecasts predict a long period of wet weather.


  1. Shake container well before using.
  2. Connect a garden hose to the Ready Spray Nozzle. make sure the dial on the nozzle is in the OFF position with the safety tab in the valve notch.
  3. Turn on the water at faucet. Extend hose to the farthest area to be treated and work back toward the faucet so you don't come in contact with the treated area.
  4. To BEGIN spraying, point nozzle toward treatment site and
    • Bend the safety tab back (located at the right of the yellow dial) with your thumb,
    • Using your other hand, QUICKLY turn the dial clockwise until it stops. Water will automatically mix with the product.
  5. Spray plants thoroughly. Walk at a steady pace while spraying using an even sweeping motion, slightly overlapping treated areas.
  6. To STOP spraying, QUICKLY turn the dial in the opposite direction of ON until it stops and the safety tab engages the notch on the valve. Turn water off at faucet. To relieve pressure before removing nozzle from hose, bend the safety tab back and turn dial ON until water stops spraying.

(See label for complete list of diseases controlled)

Environmental hazards:

This pesticide is toxic to fish and aquatic invertebrates and may contaminate water through runoff. This product has a potential for runoff for several months or more after application. Poorly draining soils and soils with shallow water tables are more prone to produce runoff that contains this product. Drift and runoff may be hazardous to aquatic organisms in water adjacent to treated areas.

Do not apply directly to water, to areas where surface water is present, or to intertidal areas below the mean high water mark. Do not contaminate water when disposing of equipment washwater or rinsate.

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