BW rose gardening tips Dealing with Rose Diseases To make sure that your by planosbw


									Dealing with Rose Diseases

To make sure that your prized roses remain in the best of health, simply follow these

1. Black Spots on Leaves

This disease is commonly known as black spot. Black spots appear as circular with
fringed edges on leaves. They cause the leaves to yellow. Remove the infected foliage
and pick up any fallen leaves around the rose. Artificial sprays may be used to prevent
or treat this kind of rose disease.

2. Stunted or malformed young canes

Known as powdery mildew, this is a fungal disease that covers leaves, stems and buds
with wind spread white powder. It makes the leaves curl and turn purple. Spray with
Funginex or Benomyl to treat this fungal disease.

3. Blistered underside of leaves

Known as rust, this disease is characterized by orange-red blisters that turn black in
fall. It can survive the winter and will then attack new sprouts in the spring. Collect
and discard leaves that are infected in fall. a Benomyl or Funginex spray every 7-10
days may help.

4. Malformed or stunted leaves and flowers

This is caused by spider mites. They are tiny yellow, red or green spiders found on the
underside of leaves where they suck juices. The application of Orthene or Isotox may
help in treating this infestation.

5. Weak and mottled leaves with tiny white webs under them

This is caused by aphids. They are small soft-bodied insects that usually brown, green
or red. Often clustered under leaves and flower buds, they suck plant juices from
tender buds. Malathion or diazinon spray may help roses to survive these bugs.

6. Flowers that don't open or are deformed when they open.

Thrips could be the reason behind this problem. They are slender, brown-yellow bugs
with fringed wings that also suck juices from flower buds. Cut and discard the
infested flowers. Orthene and malathion may also treat this problem.

Remember that roses are hungry feeders that require much fertilizer to become
healthy bushes.

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