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COPPER SULFATE PENTAHYDRATE
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YOUR OWN BORDEAUX MIXTURE!  
LESS EXPENSIVE BORDEAUX - SAFER FOR CROPS

  
Do you use a pre-made commercial
Copper Sulfate Bordeaux Mixture?
 

Are
there long lists of chemicals?  Ingredients other than EPA Labeled Pure Copper Sulfate Crystals and Hydrated Lime that may HARM fruit and vegetable crops?  Then you should be making your own! Start with purchasing OUR Pure EPA Labeled Copper Sulfate Crystals to use in making Your Own SIMPLE Bordeaux Mixture that  has been TRUSTED BY ORGANIC FARMS FOR 100+ YEARS.

 

MAKE YOUR OWN COPPER SULFATE BORDEAUX MIXTURE:
Using Our Pure EPA Labeled Copper Sulfate Pentahydrate.

 

Bordeaux Mixture Ingredients Wholesale!

Bordeaux Mixtures

How to Understand Bordeaux Formulations - If the Bordeaux Mixture Instructions reads 10-10-100, the first figure means the number of pounds of EPA Copper Sulfate Crystal. The second figure means the pounds of hydrated spray lime, and the third figure, the gallons of water to be used. Use as a full coverage spray to runoff.

How to Prepare a Bordeaux Mixture - To prepare a Bordeaux mixture, fill a tank with water, one quarter full. Then with agitator running, mix in EPA Copper Sulfate Crystal through a copper, bronze, stainless steel or plastic screen. Add water so the tank is three quarters full. Mix in the hydrated spray lime through the screen and finish filling the tank with water.

                              CROP USE DIRECTIONS

ALMOND, APRICOT, NECTARINE, PEACH: Shot Hole Fungus - Prepare a 10-10-100 Bordeaux and apply as a dormant spray in late fall or early spring.

ALMOND, APRICOT, CHERRY, PEACH, NECTARINE, PLUM, PRUNE: Brown Rot Blossom Blight - Prepare a 10-10-100 Bordeaux and apply when buds begin to swell.

APPLES: Fireblight - Mix 5 lbs. of Copper Sulfate Crystal in 100 gallons of water and spray uniformly to the point of runoff. Apply in dormant only at silver tip stage. After silver tip severe burn will occur on any exposed green

BULBS (EASTER LILY, TULIP, GLADIOLUS) - Botrytis Blight - Prepare a 10-10-100 Bordeaux and apply as a foliar spray to one acre. Apply for thorough coverage beginning at the first sign of disease and repeat as needed to control disease at 7 day intervals. Use the shorter intervals during periods of frequent rains or when severe disease conditions persist. Avoid spray just before flower cutting season if residues are a problem.

CHERRIES (SWEET): Dead Bud, Bacterial Canker (Pseudomonas syringae) - Prepare a 12-12-100 Bordeaux. Apply at leaf fall and again in late winter before buds begin to swell. In wet cool Northwest U.S. winter, a third spray may be needed between above sprays.

CHERRIES (SOUR): Leaf Spot - Prepare a 10-10-100 Bordeaux. Apply as a full coverage spray after petal fall or as recommended by the State Extension Service.

GRAPES (EXCEPT CALIFORNIA): Downy Mildew - Prepare and apply a 2-6-100 Bordeaux spray beginning when downy mildew is detected. Repeat as needed to achieve and maintain control. This mixture and its use will exhibit some phytotoxicity on most varieties.

GRAPES (DORMANT): Powdery Mildew - Apply in spring before bud-swell and before green tissue is present. Use 4 to 8 lbs. of Copper Sulfate Crystal per 100 gallons of water. Apply in high volume spray of 300 gallons water per acre. Direct spray to thoroughly wet the dormant vine, especially the bark of the trunk, head, or cordons.

OLIVES: Olive Leaf Spot (Peacock Spot), Olive Knot - Prepare a 10-10-100 Bordeaux spray. Apply before fall rains begin, usually late October or early November in California. In wet winters, a repeat spray may be needed in mid-winter. In areas with less than 10 inches of annual rainfall, a 5-5-100 Bordeaux spray may be used. Injury may occur in areas of less than 10 inches of rainfallPEACHES: Leaf Curl - Prepare a 10-10-100 Bordeaux and apply at leaf fall or as a dormant spray in late fall or early spring before buds begin to swell. If above sprays for Coryneum blight are made, peach leaf curl also will be controlled.

PEACHES: Leaf Curl - Prepare a 10-10-100 Bordeaux and apply at leaf fall or as a dormant spray in late fall or early spring before buds begin to swell. If above sprays for Coryneum blight are made, peach leaf curl also will be controlled.

WALNUTS: Walnut Blight - Apply 15 pounds with 10 pounds of lime in 100 gallons of water. Make application in early pre-bloom before catkin blooms are showing (10-20% pistilate) before or after rain. Use only if Bordeaux mixture has been shown to be non-phytotoxic in your area. If desired, add one-half gallon summer oil emulsion per 100 gallons of water. PRECAUTION: Addition of summer oil emulsion to pre-bloom and early bloom sprays may result in plant injury.

                                         CITRUS

NOTE: Adding foliar nutritionals to spray mixtures containing EPA Copper Sulfate Crystal or other products and applying to citrus during the post bloom period when young fruit is present may result in spray burn.

Bacterial Blast - Prepare a 10-10-100 Bordeaux spray and apply in late October to early November or before fall rains begin. Make a complete coverage spray using 10 to 25 gallons per mature tree.

LEMON, ORANGE, GRAPEFRUIT: Phytophthora Brown Rot - Prepare a 3-4.5-100 Bordeaux where there is no history of copper injury or a 3-2-6-100 (Zinc Sulfate-Copper Sulfate Crystal-Hydrated Lime-Gallons of water) Bordeaux. Spray 6 gallons on skirt of tree 3 to 4 feet high and 2 to 4 gallons on trunk and ground under tree. If P. hibernalis is present, use 10 to 25 gallons to completely cover each tree. Apply in November or December just before or after first rain. In severe Brown Rot season, apply second application in January or February.

LEMON, ORANGE, GRAPEFRUIT: Septoria Fruit and Leaf Spot; Central California - Brown Rot and Zinc and Copper Deficiencies - Prepare a 3-2-6-100 Bordeaux and use 10 to 25 gallons to completely cover each tree. Apply in October, November or December before or just after first rain.

                              POTATO VINE KILL

Apply 10 lb/acre in 10 to 100 gallons of water (ground equipment) or in 5 to 10 gallons (aerial equipment) with Diquat at vine-kill to enhance vine desiccation and suppress late blight. Additional applications can be made with Diquat if needed to within 7 days of harvest. Copper Sulfate Crystal may be applied alone until harvest to suppress late blight.

NOTE: This product can be mixed with Diquat for use on potatoes in accordance with the most restrictive of label limitations and precautions. No label dosage rates should be exceeded.

 

GENERAL CHEMIGATION INSTRUCTIONS

Apply this product only through one or more of the following types of systems: sprinkler including center pivot, lateral move, end tow, side (wheel) roll, traveler, big gun, solid set, or hand move irrigation system(s). Do not apply this product through any other type of irrigation system. Crop injury, lack of effectiveness, or illegal pesticide residues in the crop can result from nonuniform distribution of treated water. If you have questions about calibration, you should contact State Extension Service specialists, equipment manufacturers or other experts. Do not connect an irrigation system (including greenhouse systems) used for pesticide application to a public water system unless the pesticide label-prescribed safety devices for public water systems are in place. A person knowledgeable of the chemigation system and responsible for its operation or under the supervision of the responsible person, shall shut the system down and make necessary adjustments should the need arise.

Posting of areas to be chemigated is required when 1) any part of a treated area is within 300 feet of sensitive areas such as residential areas, labor camps, businesses, day care centers, hospitals, in-patient clinics, nursing homes or any public areas such as schools, parks, playgrounds, or other public facilities not including public roads, or 2) when the chemigated area is open to the public such as golf courses or retail greenhouses. Posting must conform to the following requirements. Treated areas shall be posted with signs at all usual points of entry and along likely routes of approach from the listed sensitive areas. When there are no usual points of entry, signs must be posted in the corners of the treated areas and in any other location affording maximum visibility to sensitive areas. The printed side of the sign should face away from the treated area towards the sensitive area. The signs shall be printed in English. Signs must be posted prior to application and must remain posted until foliage has dried and soil surface water has disappeared. Signs may remain in place indefinitely as long as they are composed of material to prevent deterioration and maintain legibility for the duration of the posting period. At the top of the sign shall be the words "KEEP OUT", followed by an octagonal stop sign symbol at least 8 inches in diameter containing the word "STOP". Below the symbol shall be the words "PESTICIDES IN IRRIGATION WATER". All words shall consist of letters at least 2 ½ inches tall, and all letters and the symbol shall be a color that sharply contrasts with their immediate background. This sign is in addition to any sign posted to comply with the Worker Protection Standard.

CHEMIGATION SYSTEMS CONNECTED TO PUBLIC WATER SYSTEMS:

Public water system means a system for the provision to the public of piped water for human consumption if such system has at least 15 service connections or regularly serves an average of at least 25 individuals daily at least 60 days out of the year. Chemigation systems connected to public water systems must contain a functional, reduced-pressure zone, backflow preventer (RPZ) or the functional equivalent in the water supply line upstream from the point of pesticide introduction. There shall be a complete physical break (air gap) between the flow outlet end of the fill pipe and the top or overflow rim of the reservoir tank of at least twice the inside diameter of the fill pipe. The pesticide injection pipeline must contain a functional, automatic, quick-closing check valve to prevent the flow of fluid back toward the injection pump. The pesticide injection pipeline must contain a functional, normally closed, solenoid-operated valve located on the intake side of the injection pump and connected to the system interlock to prevent fluid from being withdrawn from the supply tank when the irrigation system is either automatically or manually shut down. See Treatment Instructions, below.

SPRINKLER CHEMIGATION:

The system must contain functional interlocking controls to automatically shut off the pesticide injection pump when the water pump motor stops, or in cases where there is no water pump, when the water pressure decreases to the point where pesticide distribution is adversely affected. Systems must use a metering pump, such as a positive displacement injection pump (e.g. diaphragm pump) effectively designed and constructed of materials that are compatible with pesticides and capable of being filtered with a system interlock. The system must contain a functional check valve, vacuum relief valve, and low pressure drain approximately located on the irrigation pipeline to prevent water source contamination from backflow. The pesticide injection pipeline must contain a functional, automatic, quick-closing check valve to prevent the flow of fluid back toward the injection pump. This pipeline must also contain a functional, normally closed, solenoid-operated valve located on the intake side of the infection pump and connected to the system interlock to prevent fluid from being withdrawn from the supply tank when the irrigation system is either automatically or manually shut down. The system must contain functional interlocking controls to automatically shut off the pesticide injection pump when the water pump motor stops. The irrigation line or water pump must include a functional pressure switch which will stop the water pump motor when the water pressure decreases to the point where pesticide distribution is adversely affected. Systems must use a metering pump, such as a positive displacement injection pump (e.g., diaphragm pump) effectively designed and constructed of materials that are compatible with pesticides and capable of being filtered with a system interlock.

TREATMENT INSTRUCTIONS:

Do not apply when wind speed favors drift beyond the area intended for treatment. When mixing, fill nurse tank half full with water. Add Copper Sulfate Crystal slowly to tank while hydraulic or mechanical agitation is operating and continue filling with water. Stickers, spreaders, insecticides, nutrients, etc. should be added last. If compatibility is in question, use the compatibility jar test before mixing a whole tank. Because of the wide variety of possible combinations which can be encountered, observe all cautions and limitations on the label of all products used in mixtures. Copper Sulfate Crystal should be added through a traveling irrigation system continuously or at the last 30 minutes of solid set or hand moved irrigation systems. Agitation is recommended.

 

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When placing an order, the purchaser acknowledges they have taken full responsibility to check and follow local, state and federal regulations regarding application of copper sulfate.  Also, the purchaser assumes responsibility to follow proper handling and safety requirements for the product. The seller is not to be held accountable for any incidents of bodily or environmental harm due to improper handling and application.