On page 2 of the product label, the manufacturer does explain when to apply Monterey Liqui-cop depending on the disease.
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
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.
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.
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.
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".
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.
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.
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.
Yes, Monterey Liqui-Cop is labeled to be used on Cherry trees and the cherries can be consumed after use. Be sure to read and follow the product label for application instructions.
Monterey Liqui-Cop is not labeled to be used on Japanese Maple trees.
For dothistroma needle blight, it appears that a copper fungicide such as Monterey Liqui-Cop would be recommended to protect new needles from infection. There is also a guide below that might help:
As long as the product label is followed Monterey Liqui-Cop would be safe. We recommend keeping chickens out of the area during treatment until dry, typically after 4-6 hours.
When using Monterey Liqui-Cop for fruit and nut crops, the mix ratio for peach trees is 2 tablespoons per gallon of water. The product label states, “apply as dormant spray and/or use ¼ tsp. as a post-bloom spray. Apply twice during the season, but do not use later than 3 weeks prior to harvest. Do not use at rates above those recommended. NOTICE: Slight loss of leaves may occur from post bloom use.”
When using Monterey Liqui-Cop the rates are as follows:
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
The product label states when treating peaches for bacterial spot you use 4tsp per gallon and when treating peaches for blossom brown rot, leaf curl or shot hole you will use 4-6 tsp per gallon of water. When treating roses and other ornamentals, you will use 2 tsp per gallon of water.