Skip to content
  • 🎊 Last chance to grab, Black Friday limited time sale, huge savings! The rush to buy is high! ❤️ Save up 10% OFF, Code:H9ZF5E
  • 🎊 Last chance to grab, Black Friday limited time sale, huge savings! The rush to buy is high! ❤️ Save up 10% OFF, Code:H9ZF5E
Garden ToolsGarden Tools
    • No products in the cart.

      Return to shop

  • Cart

    No products in the cart.

    Return to shop

  • Lawn Sprayers & Spreaders
    • Power Sprayers
    • Spreaders
    • Backpack Sprayers
    • Sprayers
    • Applicators & Dispensers
    • Fertilizer Injection System
    • Pull Behind Sprayers
  • Irrigation Supplies & Equipment
    • Water Hoses
    • Hose Attachments
    • Sprinklers
    • Tree Watering Bags
    • Drip Irrigation Systems
    • Water Hose Reels
    • Watering Cans
  • Wheelbarrows & Carts
    • Wheelbarrows
    • Yard Carts
    • Flatbed Carts
    • Tree Carts
  • Pruning Tools & Equipment
    • Pruners
    • Pruning Saws
    • Pole Pruners and Saws
    • Loppers
    • Hedge Shears
    • Shear Cases
  • Gardening & Landscaping Tools
    • Scoops and Shovels
    • Spades
    • Push Brooms & Cleanup
    • Garden Hand Tools
    • Striking Tools
    • Garden Hoes
    • Yard & Garden Rakes
    • Utility Knives & Multitools
    • Garden Forks
    • Cultivators & Weeders
    • Logging & Clearing Tools
    • Turf & Sod Tools
    • Grafting Knife
  • Herbicide Insecticide & Fungicide
    • Insecticides
    • Post-Emergent Herbicides
    • Fungicides
    • Arbor care
    • Herbicide Surfactants
    • Pre-Emergent Herbicides
    • Pond Supplies
    • Lawn Weed Control
Herbicide Insecticide & Fungicide / Fungicides
Sale!
Reliant; Systemic Fungicide, 1 Quart

Reliant; Systemic Fungicide, 1 Quart

$29.95 Original price was: $29.95.$20.97Current price is: $20.97.

Buy Now
SKU: YW1SZ 718474558 Categories: Fungicides, Herbicide Insecticide & Fungicide
  • Fast reliable delivery options
  • Worry-Free Shopping with Safe Payments
  • Experience the difference quality makes.
  • Best price, safe shopping guarantee
Browse
  • Gardening & Landscaping Tools
    • Cultivators & Weeders
    • Garden Forks
    • Garden Hand Tools
    • Garden Hoes
    • Grafting Knife
    • Logging & Clearing Tools
    • Push Brooms & Cleanup
    • Scoops and Shovels
    • Spades
    • Striking Tools
    • Turf & Sod Tools
    • Utility Knives & Multitools
    • Yard & Garden Rakes
  • Herbicide Insecticide & Fungicide
    • Arbor care
    • Fungicides
    • Herbicide Surfactants
    • Insecticides
    • Lawn Weed Control
    • Pond Supplies
    • Post-Emergent Herbicides
    • Pre-Emergent Herbicides
  • Irrigation Supplies & Equipment
    • Drip Irrigation Systems
    • Hose Attachments
    • Sprinklers
    • Tree Watering Bags
    • Water Hose Reels
    • Water Hoses
    • Watering Cans
  • Lawn Sprayers & Spreaders
    • Applicators & Dispensers
    • Backpack Sprayers
    • Fertilizer Injection System
    • Power Sprayers
    • Pull Behind Sprayers
    • Sprayers
    • Spreaders
  • Pruning Tools & Equipment
    • Hedge Shears
    • Loppers
    • Pole Pruners and Saws
    • Pruners
    • Pruning Saws
    • Shear Cases
  • Uncategorized
  • Wheelbarrows & Carts
    • Flatbed Carts
    • Tree Carts
    • Wheelbarrows
    • Yard Carts
Recently Viewed
  • Reliant Systemic Fungicide Reliant Systemic Fungicide $29.95 Original price was: $29.95.$20.97Current price is: $20.97.
  • Description
  • Reviews (0)

Protect your plants from disease!

Reliant Systemic Fungicide contains the active ingredients mono- and di-potassium salts of phosphorous acid (45.8%). This bottle contains 32 ounces (1 quart) of Reliant. Use Reliant to control diseases caused by the pathogen phytophthora. Diseases associated with this pathogen include sudden oak death (SOD), downy mildew, pythium, root rot, and fire blight.

Reliant works well on vegetables, citrus, fruit and nut trees, ornamentals, landscaping, turf, conifers, and bedding plants. Reliant works as both a preventative and curative. You can use this product as a soil drench, foliar spray, soil incorporation, basal bark treatment, or as a bare root dip. Apply it to healthy plants to help them resist disease.

For affected plants, it helps the plant kill the invasion while protecting new growth. Reliant acts quickly, saving your plants from disease-related damage or death. Combine this product with Pentra-Bark for maximum effectiveness against sudden oak death. Completely review the product label in the links section below for application rates. Rates vary depending on the crop and application.

Product Specs
  • Active ingredients: Mono and di-potassium salts of phosphorous acid (45.8%)
  • Container volume (ounces): 32
  • Application type: Soil drench, foliar spray, soil incorporation, basal bark treatment, or bare root dip
  • Key diseases: Sudden oak death (SOD), downy mildew, pythium, root rot, and fire blight
Product Warranty Information

Reliant; Systemic Fungicide, 1 Quart -Garden Tools Down to Earth Guarantee web 2

  • This product is covered under A.M. Leonard’s exclusive 30-Day Down to Earth Guarantee. Click Here for more Details.
Product Features
  • Systemic fungicide
  • Contains mono- and di-potassium salts of phosphorous acid
  • Combined preventative and curative spray
  • Multiple application methods
Product Benefits
  • Controls diseases caused by the pathogen phytophthora
  • Works on vegetables, citrus, fruit and nut trees, ornamentals, landscaping, turf, conifers, and bedding plants
  • Aids healthy plants resist disease
  • Helps affected plants fight off disease while protecting new growth
  • Fast-acting formula increases plant survival rates
  • Pair with Pentra-Bark; for maximum effectiveness against sudden oak death
Frequently Asked Questions
What is Reliant and what is it used for?
Reliant is a systemic fungicide that contains the active ingredients mono and di potassium salts of phosphorous acid (45.8%). It is used to control diseases caused by the pathogen phytophthora, including sudden oak death (SOD), downy mildew, pythium, root rot, and fire blight, on vegetables, citrus, fruit and nut trees, ornamentals, landscaping, turf, conifers, and bedding plants.

How does Reliant work and how should it be applied?
Reliant works as both a preventative and curative when applied through soil drench, foliar spray, soil incorporation, basal bark treatment, or as a bare root dip. It aids healthy plants to resist disease and helps affected plants fight off disease while protecting new growth. Reliant acts quickly, saving plants from disease-related damage or death.

What are the key diseases that Reliant can control?
Reliant can control diseases caused by the pathogen phytophthora, including sudden oak death (SOD), downy mildew, pythium, root rot, and fire blight.

What is the recommended rate of application for Reliant and what are some additional tips?
The rate of application for Reliant varies depending on the crop and application. Complete review of the product label is needed before applying. For maximum effectiveness against sudden oak death, it can be paired with Pentra Bark. This product can be applied to healthy plants to help them resist disease and to affected plants to help them kill the invasion while protecting new growth.

Additional Product Information
  • Product Label
  • SDS

Reviews

There are no reviews yet.

Be the first to review “Reliant; Systemic Fungicide, 1 Quart” Cancel reply

Related products

Sale!
Nutri-Ject Fertilizer Injectable Macro And Micro Nutrients Case Of 25
Quick View

Arbor care

Nutri-Ject Fertilizer Injectable Macro And Micro Nutrients Case Of 25

$229.59 Original price was: $229.59.$95.99Current price is: $95.99.
Sale!
Eagle; 20EW Specialty Fungicide 1 Pint Concentrate
Quick View

Herbicide Insecticide & Fungicide

Eagle; 20EW Specialty Fungicide 1 Pint Concentrate

$59.61 Original price was: $59.61.$41.73Current price is: $41.73.
Sale!
All Seasons Horticultural Spray Oil Gallon Concentrate
Quick View

Herbicide Insecticide & Fungicide

All Seasons Horticultural Spray Oil Gallon Concentrate

$35.77 Original price was: $35.77.$25.04Current price is: $25.04.
Sale!
Imisol Micro-Injected Insecticide, Quarter Flat Of 24 6 ML Capsules
Quick View

Fungicides

Imisol Micro-Injected Insecticide, Quarter Flat Of 24 6 ML Capsules

$329.00 Original price was: $329.00.$95.99Current price is: $95.99.
Sale!
Gemini; Liquid Pre-Emergent Herbicide, 2-1/2 Gallons
Quick View

Herbicide Insecticide & Fungicide

Gemini; Liquid Pre-Emergent Herbicide, 2-1/2 Gallons

$375.00 Original price was: $375.00.$95.99Current price is: $95.99.
Sale!
Systrex/Nutrient Systemic Fungicide And Micronutrient Solution Contains Bayleton Case Of 25
Quick View

Fungicides

Systrex/Nutrient Systemic Fungicide And Micronutrient Solution Contains Bayleton Case Of 25

$252.63 Original price was: $252.63.$96.99Current price is: $96.99.
Sale!
Super Trimec Post-Emergent Broadleaf Herbicide For Turf, 1 Gallon
Quick View

Herbicide Insecticide & Fungicide

Super Trimec Post-Emergent Broadleaf Herbicide For Turf, 1 Gallon

$149.95 Original price was: $149.95.$99.99Current price is: $99.99.
Sale!
Venerate CG Organic Bio-Insecticide, 1 Quart
Quick View

Herbicide Insecticide & Fungicide

Venerate CG Organic Bio-Insecticide, 1 Quart

$56.65 Original price was: $56.65.$39.66Current price is: $39.66.
LEGAL
  • Privacy Policy
  • Shipping Policy
  • FAQ
  • Returns & Exchanges
  • Term and Conditions
CUSTOMER SERVICE
  • My account
  • Delivery
  • Payment Method
  • Contact Us
  • About Us
Signup for Newsletter

Sign up for exclusive offers, original stories, events and more.

    Copyright 2025 © www.gardener-tools.com
    • Lawn Sprayers & Spreaders
      • Power Sprayers
      • Spreaders
      • Backpack Sprayers
      • Sprayers
      • Applicators & Dispensers
      • Fertilizer Injection System
      • Pull Behind Sprayers
    • Irrigation Supplies & Equipment
      • Water Hoses
      • Hose Attachments
      • Sprinklers
      • Tree Watering Bags
      • Drip Irrigation Systems
      • Water Hose Reels
      • Watering Cans
    • Wheelbarrows & Carts
      • Wheelbarrows
      • Yard Carts
      • Flatbed Carts
      • Tree Carts
    • Pruning Tools & Equipment
      • Pruners
      • Pruning Saws
      • Pole Pruners and Saws
      • Loppers
      • Hedge Shears
      • Shear Cases
    • Gardening & Landscaping Tools
      • Scoops and Shovels
      • Spades
      • Push Brooms & Cleanup
      • Garden Hand Tools
      • Striking Tools
      • Garden Hoes
      • Yard & Garden Rakes
      • Utility Knives & Multitools
      • Garden Forks
      • Cultivators & Weeders
      • Logging & Clearing Tools
      • Turf & Sod Tools
      • Grafting Knife
    • Herbicide Insecticide & Fungicide
      • Insecticides
      • Post-Emergent Herbicides
      • Fungicides
      • Arbor care
      • Herbicide Surfactants
      • Pre-Emergent Herbicides
      • Pond Supplies
      • Lawn Weed Control
    • Login

    Login

    Lost your password?

    Register

    Your personal data will be used to support your experience throughout this website, to manage access to your account, and for other purposes described in our privacy policy.