Monterey Garden Phos Systemic Fungicide - Questions & Answers

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  • Asked by Frank from Newport News, Va
    09/19/2017
    Q
    Can Monterey Garden Phos Systemic Fungicide be used for cankers on weeping cherry trees?
    A

    Monterey Garden Phos Systemic Fungicide is labeled for cankers and safe for use on cherry trees.

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    1 of 1 people found this answer helpful.
  • Asked by Daniel from Gilmer, Tx
    10/17/2019
    Q
    Can you tank mix Monterey Garden Phos Systemic Fungicide with Bonide Neem Oil?
    I'm spraying grapes for downy mildew and powdery mildew, it would be nice to tank mix and spray once. Is this compatible with neem oil?
    A

    We would recommend that you spray Monterey Garden Phos Systemic Fungicide and neem oil separately in rotation (probably every 2 weeks) for best results. If you plan to mix the products, then we would test on a few plants first for tolerance since oils can cause extra sensitivity on plants if mixed with other products.

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    1 of 1 people found this answer helpful.
  • Asked by Chris from Seaford, Ny
    04/11/2018
    Q
    Will Monterey Garden Phos Systemic Fungicide treat collar rot on a Red Leaf Maple Tree?
    A

    Monterey Garden Phos Systemic Fungicide is not labeled to treat collar rot on Red Leaf Maple Trees. We would recommend contacting the local cooperative extension office or speaking with a local arborists for treatment recommendations.

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    1 of 1 people found this answer helpful.
  • Asked by Ken from Pa
    03/03/2024
    Q
    What is the mixing ratio for soil drench treatment of boxwoods for Volutella blight? How often can Monterey Garden Phos Systemic Fungicide be applied?
    How often can it be applied?
    A

    Monterey Garden Phos Systemic Fungicide is not labeled to target Volutella blight only Fire Blight, and Bacterial Blight.

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  • Asked by Marla from Alameda, Ca
    12/20/2019
    Q
    Is Monterey Garden Phos effective in fighting Armillaria mellea?
    The label of this product does not include Armillaria in its list of fungi, but is there any anecdotal evidence of successful off-label usage to rid garden soil of the pathogen in buried rhizomorphs or fragments of infected root material?
    A

    Monterey Garden Phos is a fungicide for listed soil-borne and air-borne pathogens, and it will not treat Armillaria mellea/honey mushroom or other fungi similar to that. Since there are no known treatments for this fungus, it is best to plant trees that are known to be resistant to it. This article has more details.

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    0 of 2 people found this answer helpful.
  • Asked by J. from Ft. Lauderdale, Fl
    01/12/2021
    Q
    What is the correct amount of Monterey Garden Phos Systemic Fungicide to use for a Gold Mound bush that is dropping leaves?
    A

    The mix rate of Monterey Garden Phos Systemic Fungicide and type of application will depend on which disease you are targeting. If you do not know which fungus you have, you may reach out to your local cooperative extension office for help with identifying the issue. Once you have that positive identification, please be sure to review the product label for complete application instructions.

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  • Asked by Craig from Lorton
    11/26/2019
    Q
    Will Monterey Garden Phos Systemic Fungicide work on Carnivorous Plants?
    To help to move white mold off cephalotous roots growing in sphagnum moss, peat moss.
    A

    Monterey Garden Phos Systemic Fungicide is not labeled for carnivorous plants, but we would recommend reaching out to the manufacturer to confirm. They can be reached at 559-499-2100.

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  • Asked by Anthony from Aptos
    02/14/2021
    Q
    Can I use Monterey Garden Phos Systemic Fungicide on a lot of full grown California coastal oak that are rapidly dying (possibly sudden oak death)?
    Black fungus on limbs and trunks
    A

    Monterey Garden Phos Systemic Fungicide can be used to treat and prevent sudden oak death and many other oak diseases. Here is actually a release from July about this disease being found in Illinois.Typically trees that are infected are not able to be cured but must be diagnosed and removed very carefully so as not to spread the disease. Here is another article about this disease.

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  • Asked by Joco from Camden, Ohio
    02/28/2021
    Q
    Can Monterey Garden Phos be applied with Pentra-Bark to the trunk of a mature red oak to manage root rot?
    I'm aware it's used to treat sudden oak death (Phytophthora ramorum), but could it be effective against Phytophthora species that cause root rot? The tree is declining slowly and there's a few bleeding cankers on the trunk.
    A

    The Monterey Garden Phos Systemic Fungicide is safe to be mixed with a surfactant such as Pentra-Bark and applied to red oaks and other trees. We unfortunately couldn't say how effective it would be on other species of Phytophthora since its not been labeled or tested for them. The application wouldn't harm the tree and usually some form of disease treatment would help. We would recommend potentially partnering with a company local to you to see if there are any other steps they suggest based on the current look and condition of your trees. 

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    0 of 1 people found this answer helpful.
  • Asked by Ed from Jacksonville, Florida
    08/31/2021
    Q
    Is Monterey Garden Phos Systemic Fungicide applied as a soil drench and foliar spray if treating Phytophthora Root Rot on 8-10ft high Viburnums?
    A

    Monterey Garden Phos Systemic Fungicide can be applied as a soil drench to ornamentals at a rate of 1/8 tsp per gallon of water, apply each 25 gallons of solution to an area of 100 sq. ft. and you could also do a foliar spray at a rate of 2 tsp to 4 tsp per gallon of water.

    Please review product label for complete application instructions.

    Although we have found some conflicting information, the most recommended method and most effective way of preventing Phytophthora root rot disease is to provide good drainage and to practice good water management. Don't over irrigate the soil more than necessary and the beddings are in an area where the soil will tend to stay moist, consider planting trees and shrubs on mounds, especially in an area where you know Phytophthora is present. While Fungicides help, they recommend that you do not rely on fungicide applications alone to control root and crown rot diseases.

    Please view this article by the University of California Extension on Phytophthora Root and Crown Rot in the Garden for more information and also, we would recommend contacting your local extension office and speak with the Master Gardener directly for fungicide rotation recommendations that have been studied and tested in your county.

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  • Asked by Jaye from Potomac, Md
    05/18/2021
    Q
    Does Monterey Garden Phos Systemic Fungicide help with petal blight on Azalea bushes?
    A

    Monterey Garden Phos Systemic Fungicide is not specifically labeled for petal blight. We do offer other products that will target this blight on azaleas such as:  Monterey Fungi-Max Brand Multi-Purpose Fungicide.

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  • Asked by Joel from Temecula, Ca
    08/26/2022
    Q
    Is Monterey Garden Phos Systemic Fungicide safe to use for dragon fruit tree?
    They have fungal like blemish.
    A

    We apologize that the Monterey Garden Phos Systemic Fungicide is no longer available on our site and it does not list applications for dragonfruit trees on the product label. We recommend having the disease identified locally through your cooperative extension office for suggestions on safe products to apply for your needs. Please let us know if we can assist with your future needs!

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  • Asked by Sam
    06/04/2021
    Q
    Is Monterey Garden Phos Systemic Fungicide safe for use with Beneficial Nematodes?
    Is this safe for use with Beneficial Nematodes?
    A

    Monterey Garden Phos Systemic Fungicide is safe to be used along with beneficial nematodes. 

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    0 of 1 people found this answer helpful.
  • Asked by Anthony from Snellville Ga
    06/03/2022
    Q
    What group fungicide is Monterey Garden Phos Systemic Fungicide?
    A
    Monterey Garden Phos Systemic Fungicide is classified in the Phosphonates Group with the FRAC Code of P 07 (formerly FRAC Code 33) 
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  • Asked by Michael from Spring Lake
    06/29/2021
    Q
    Can Garden Phos be used on hydrangias?
    A

    Yes, Monterey Garden Phos Systemic Fungicide can be used on hydrangeas. Please review the product label for complete instructions.

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  • Asked by Susan from Dracut, Ma
    08/16/2021
    Q
    Can Monterey Garden Phos Systemic Fungicide be applied to the trunk of a 30+ yr old Crabapple tree to treat for black spot?
    I assume that applying as a control through the roots means applying along the tree's drip line. Can this product be applied through the trunk? Spray? Injection? If injection, how? And what is the best time to apply? Thank you.
    A

    Monterey Garden Phos Systemic Fungicide can be used as a basal bark application or by injection. If you are interested in the injection application you would need to contact an arborist to do so or advise you on how to do so. Times of application vary depending on what application is being done and also when problem is present. 

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  • Asked by Kosta from Macomb, Mi
    08/30/2021
    Q
    What fungicide can be used in a 14-21 day rotation with Monterey Garden Phos Systemic Fungicide for treating pythium on cool season turfgrass? Can you overseed during or after the rotation?
    A

    If doing a preventative fungicide treatment for pythium using Monterey Garden Phos Systemic Fungicide, you could rotate with Heritigae SC (Class 11) or Propiconozole 14.3 (Class 3) before disease conditions are present. 

    If Pythium has already is already established and present in the lawn, it is more difficult to control. Subdue MAXX Fungicide would be a better fungicide for active pythium. Re-treat at 7 to 14-day intervals if conditions remain favorable for disease. 

    There is no waiting period for overeseeding. Make sure you are not mowing the lawn while the turfgrass is wet as this spreads the spores on the mower blades, reduce thatch and improve drainage with core aeration, increase air circulation and reduce the amount of shade which will limit the amount of time of foliar, occasional deep watering of the lawn is better than frequent light watering, do not water at night. 

    Please view our Pythium Treatment Guide for more information and product recommendations. 

     

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  • Asked by Katie from Phoenix, Az
    03/31/2022
    Q
    What is the rate for Monterey Garden Phos Systemic Fungicide on a 4 yr old Red Push suffering from Texas Root Rot? What application method for 4-yr old Chinese Red Push Pistache tree?
    This was recommended by our arborist to treat Red Push trees suffering form Texas Root Rot. The tree is about 4 years old, still relatively small, and sits in soil covered in rock in about 4' x 4' space.
    A

    Unfortunately, there is no effective treatment once the infection is established; the best course of action is usually to remove the affected tree and prevent further spread by planting resistant varieties in the area, as the fungus is soil-borne and can infect other plants. 

    While the Monterey Garden Phos Systemic Fungicide is not specifically labeled for Chinese Red Push Pistache trees, it does have labeling to control root rot on a variety of edible and ornamental plants and trees. In the tree section, it states to " Use 2 to 4 tsp. per gallon of water. Apply one gallon of solution per sq. yd. Follow application with irrigation. Application intervals: 14 to 21 days. Repeat as required"
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  • Asked by Scott from New Orleans, La
    12/23/2021
    Q
    Can Monterey Garden Phos Systemic Fungicide be applied to succulents including cactus with what appears to be fusarium?
    I have a cactus with reddish spots and I believe it to be fusarium.
    A

    Unfortunately, we do not have a definitive answer for you regarding treatment of cacti since they are so different than other plants. We recommend contacting a your local Master Gardener for better assisting in dealing with these plants.

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  • Asked by Juno from San Tan Valley, Az
    12/16/2021
    Q
    Does Monterey Garden Phos Systemic Fungicide help with root rot?
    Avocado Tree that lost all leaves
    A

    Yes, Monterey Garden Phos Systemic Fungicide is labeled to treat root rot in Avocado trees.  Please follow the instructions on page 2 of the manufacturers label.


     

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Displaying 41 to 60 (of 83 questions)