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Rose Shrub Diseases

Rose Diseases



Anthracnose

  • Symptoms

    • Dark purple to black spots are bordered by a narrow, dull-brown band. Centers of spots turn gray and fall out. Spots similar to leaf spots form on canes.
  • Management

    • ZeroTol Fungicide is a ready to use spray that provides immediate control for anthracnose on roses and other shrubs. It leaves no chemical residue behind, which makes it the natural choice for use around pets and children. BUY NOW! 
Rose Shrub Diseases Anthracnose on Leaves
Anthracnose on Rose Bush Leaves


Black Spot

  • Symptoms

    • Brown to black round spots with feathery edges form on leaves. Leaves yellow and fall. Small, purplish spots form on canes.
  • Management

    • Remove and destroy fallen leaves. Water in a manner that keeps foliage surfaces dry. ZeroTol Fungicide/Bactericide is a ready to use spray that provides immediate disease control for black spot on roses. It can be used as a preventative or curative application. ZeroTol Ready to Spray leaves no chemical residues behind, making it the natural choice for use around children and pets. BUY NOW!
Rose Shrub Diseases Black Spot Leaves
Black Spot on a Rose Leaf

 

Rose Shrub Diseases -Black Spot on Rose Cane
Black Spot Disease on Rose Cane


Botrytis Blight

  • Symptoms

    • Small, water-soaked lesions form on petals. Gray fungal growth covers infected petals. Stubs left after harvest become infected. The fungus then moves down to girdle the cane.
  • Management

    • Apply ZeroTol Fungicide as the buds swell in the spring and repeat applicatoin until the needles reach full size. Spraying at other times is not effective. ZeroTol Fungicide is a ready to use spray that is made with all natural ingredients, which means it is safe for children and pets. Very effective on Botrytis Blight. BUY NOW!

 

Cankers

  • Symptoms

    • Reddish-Brown spots on canes turn light to dark brown and become covered with tiny, black dots (fungal fruiting structures). Cankers girdle and kill the cane.
  • Management

    • Remove infected canes, making the cut immediately above the bud. Apply a fungicide after pruning. Sterilize the shears with a disinfectant between cuts. Maintain even soil moisture and moderate fertilization.
Rose Bush Diseases - Canker Symptoms & Fruiting Structures
Canker Symptoms and Fruiting Structures

 

Crown Gall

  • Symptoms

    • Small white to cream-colored galls.
  • Management

    • Apply Agrobacterium radiobacter
Rose Shrub Diseases - Crown Gall
Crown Gall effecting Rose Roots

 

Downy Mildew

  • Symptoms

    • Purplish-brown spots form on leaves during cool, damp Spring weather. Leaves yellow and fall. Small spots or long, purplish areas may form on and kill twigs.
  • Management

    • ZeroTol Fungicide / Bactericide is a very effective way to control any type of mildew on trees and ornamental shrubs. It  is an all natural product that is safe for the environment. BUY NOW! 
Rose Shrub Diseases - Downy Mildew on Leaves
Downy Mildew on Rose Bush Leaves

 

Powdery Mildew

  • Symptoms

    • Spots on leaves, stems, and flower parts expand and become covered with white fungal growth. Small dead spots form on some cultivars.
  • Management

    • ZeroTol Fungicide / Bactericide is a very effective way to control any type of mildew on trees and ornamental shrubs. It is an all natural product that is safe for the environment. BUY NOW!

 

Rose Bush Diseases - Powdery Mildew on Leaves
Powdery Mildew effecting Rose Bush Leaves
Rose Bush Diseases - Powdery Mildew
Powdery Mildew on Rose Flower Stem

 

Rust

  • Symptoms

    • Lower leaves, in the Spring and Summer, have masses of orange powdery spores. Black spores form on the leaves and other parts in Autumn.
  • Management

    • ZeroTol Fungicide is a ready to use spray that provides immediate disease control for rust on Pine Trees. It leaves no chemical residue behind, which makes it the natural choice for use around pets and children. BUY NOW!
Rose Shrub Diseases - Rust spots on leaves
Rust spots on Rose Leaves

 

Virus

  • Symptoms

    • Leaves may exhibit mosaic, mottling, yellow line, or ring patterns. Veins may turn yellow.
  • Management

    • Spray ZeroTol Fungicide as a preventative and control measure to anything you plant. Viruses spread quickly from plant to plant. Therefore it is important to use preventative measure. This all natural fungicide is safe for pets and children. BUY NOW!
Rose Shrub Diseases - Virus
Virus Symptoms on Rose leaves
Rose Shrub Diseases - Virus
Virus Symptoms on Rose leaves
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