Aude Laborde Gardens March 27th 2020, 15:19:58
Many people could not resist a rose’s beauty and scent. These flowers are known to be a bit complicated to grow, but anyone could start rose gardening in the comfort of his backyard.
To make sure that your most prized roses are in the pink or even red of their health, simply follow these tips on dealing with every rose health dilemma:
1. Black Spots on Leaves
This disease is commonly known as a black spot. Black spots appear as circular with fringed edges on leaves. They cause the leaves to yellow. The solution is to 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 the white powder. It makes the leaves to curl and turn purple. Spray with Funginex or Benomyl to treat this fungal disease that could ruin your rose garden.
3. The blistered underside of leaves
A disease of roses known as rust, it is characterized with orange-red blisters that turn black in fall. In spring, it attacks new sprouts. This disease can even survive in winter. What you can do is to collect and discard leaves that are infected in fall. Benomyl and Funginex spraying every 7-10 days may help.
4. Malformed or stunted leaves and flowers
What could have caused this is the presence of spider mites. They are tiny yellow, red or green spiders on the underside of leaves. They also suck juices from leaves. The application of Orthene or Isotox may help in treating this infestation.
5. Weak and mottled leaves with tiny white webs under them
This might be 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 deformation and unopened flowers. It is characterized by slender, brown-yellow bugs with fringed wings thriving in flower buds. They also suck juices from flower buds. One should cut and discard the infested flowers. Using Orthene and malathion may also treat this health problem of your roses.
This valuable information regarding the diseases your roses are prone to have will prove to be very helpful in making your rose gardening endeavor more rewarding.