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Monterey Liqui-Cop is a natural liquid application formulated to control and prevent diseases on fruit and nut trees, citrus trees, vegetables, and ornamental plants. Liqui-Cop is a very weatherproof product that does not easily wash away or degrade in sunlight. It does not require additives to make it more effective, and can be used in place of lime and sulfur applications. Liqui-Cop can be mixed with other horticultural oils.
Product Documents
| Active Ingredient | Copper - ammonia complex 27.15% |
|---|---|
| Target pests |
Anthracnose, rots, scabs, blights, spots, cankers, pitting, mildews, and many others * See label for complete list |
| For use in | Fruits, nuts, vegetables and miscellaneous plants |
| Application |
Fruit and nut crops: 0.5-4 teaspoons per gallon of water Citrus Trees: for brown rot - 1-3 teaspoons per gallon of water Vegetables: 1-6 teaspoons per gallon of water Ornamentals: 2 teaspoons per gallon of water * See label for complete application instructions |
| Pet safe | Yes, when used as directed on label - Safe once dried |
| NOT FOR SALE TO | DC, ND |
| Shipping Weight | 1.33 lbs |
| Manufacturer | Monterey Lawn & Garden (Mfg. Number: LG 3100) |
| UPC | 022179100114 |
| EPA Registration | 54705-7 |
INFORMATION
The control of diseases with fungicides is based on PREVENTION. Plant surfaces must be completely covered with the fungicide to successfully prevent infection. Copper pesticides are considered preventative, not curative of plant diseases. Use the highest indicated rate when disease incidence is high or expected to be, depending on rainfall and temperature. The lower rate is suitable for general preventive sprays under normal conditions. Since weather conditions and disease incidence vary, consult your Agricultural Extension Service for timing and initial application.
PRODUCT INSTRUCTIONS
Seek advice on identifying specific disease problems and solutions from your local Agricultural Extension Agent or other knowledgeable persons. Partially fill the spray tank/container with water. Add the desired amount of LIQUI-COP and continue filling the tank/container. If applied with other products, add LIQUI-COP last. Agitate the tank during mixing and application until tank is empty. A plastic or metal stirring stick should provide adequate agitation.
Great Product for Veg & Tree Diseases
By Donna on 11/03/2016
I've used this for diseases on pecan, Magnolia fuscata (Banana Magnolia), fig, tomato, cabbage, cauliflower, broccoli, peppers. Works great if you catch it on time. I first started buying the pints, then finally found quarts. Use as directions state, usually 3 Tbsp per gallon.
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24 of 24 people found this review helpful
Great job!
By Yelena on 03/17/2018
Disappointed
By Steve on 08/01/2020
You could not provide the quantity of product I desired. I got one bottle not one case. Other product could not be shipped to Oregon, which is just weird because every garden and landscape store locally carries the product, just at a higher price. (Dormant Spray Oil) So let me know when I can re-order Liqui-Cop by the case.
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1 of 3 people found this review helpful
Good Prevention for Tomato Wilt
By Hugh on 07/22/2022
I mix this product in a hand-held sprayer and apply it after each rain. This helps protect the plants from early death due to tomato wilt. I can keep my plants producing until first frost. It is a relatively cheap solution for tomato wilt.
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0 of 1 people found this review helpful
Monterey Liqui-Cop 1 gallon
By Paul on 12/18/2022
My cherries are in first bloom stage. Is it too late to apply product?
On page 2 of the product label, the manufacturer does explain when to apply Monterey Liqui-cop depending on the disease.
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If so, at what strength? frequency?
Yes, Monterey Liqui-Cop can be applied to grapes to control/prevent anthracose. As indicated on label, you will use 1 tsp of product into 1 gallon of water and apply just before bud break when the shoots are 6 – 8 inches long, just after bloom, and every 4 – 10 days throughout the season as needed. Foliar injury may occur on copper sensitive varieties
Monterey Liqui-Cop is labeled to control fireblight on apples. Labeled instructions are: Apply at 10% bloom and repeat at no less than 5 – 7 day intervals during the bloom period for lower rates. For higher rates: Apply once as a full cover spray between silver-tip and greentip. Do not apply when green-tip reaches ½ inch as injuries may occur
Do not use on copper sensitive varieties
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Monterey Liqui-Cop is not labeled for lichen.
Monterey Liqui-Cop is not labeled for controlling diplodia tip blight or any other diseases on pine trees.
Clearys 3336F can be used for needle/diplodia tip blight on pine trees at a rate of 16-24 oz per 100 gallons of water. For smaller applications, you could also use Bonide INFUSE Systemic Disease Control.
Temperatures dropping down to freezing at night (20-30 degrees) and raining off and on throughout the daytime with temps around 40-50 degrees. Should I wait until temperatures do not drop down to freezing to apply?
Monterey Liqui-Cop should be applied when rainfall is not expected for atleast 24 hours to prevent the wind or rain from washing the application per the product label.
For timing recommendations and the affects of freezing temps during application, we would recommend contacting your County Extension Office in your area.
We recommend to keep all animals/pets out of the area until an application of Monterey Liqui-Cop has completely dried.
Please view the product label for more information.
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While the Monterey Liqui-Cop is labeled to treat some rust, it is not labeled to treat coffee rust. You may contact Monterey Lawn & Garden at 559-499-2100 if you would like to see if this would be a permitted use of this product.
I have several 10" diameter king and queen palms that have a fungus. How much should I apply and how?
Monterey Liqui-Cop can be applied to Queen palms for Exosporium leaf spot, Phytophthora bud rot at 2 tsp per gallon. Per the product label: "Begin application at first sign of disease and repeat at 7-14 day intervals as needed. Use shorter interval during periods of frequent rains or when severe disease conditions persist. Do not apply more than 460 tsp. of LIQUI-COP (0.46 lbs. metallic copper) per 1,000 sq. ft. per year".
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Unfortunately, Monterey Liqui-Cop is not labeled to be used on a lawn. If you are looking for liquid copper for your lawn, you can use Bonide Liquid Copper Fungicide Concentrate.
What I did wrong? They dry complete
On the Monterey Liqui-Cop Product Label next to Rose, there is a special note stating "1) Discoloration of foliage and/or blooms has been noted on some varieties." You are welcome to contact the manufacturer Monterey directly for further advice or feedback of their products use on your roses. You can reach them at 559) 499-2100.
The reapplication period for Monterey Liqui-Cop depends on what you are spraying (fruit, vegetable, ornamentals, trees, etc) and the disease you are targeting.
Per the product label, it is recommended to apply this product in calm weather when rain is not predicted for the next 24 hours will help to ensure that wind or rain does not blow or wash pesticide off the treatment area.
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Monterey Liqui-Cop should be used within 24 hours of mixing, which would also apply to almost all products on the market that start out as concentrates and are mixed with water. The longer solution stays in the tank, the more it breaks down to no longer be effective, and can also eat away at the seals and gaskets of your sprayer to cause it to no longer work effectively.
Monterey Liqui-Cop
Rating: 4.6 (7 Reviews / 58 Q&A)
