Share this post TFUPM Posted March 28, 2013

Powdery mildew is one of the most common fungal diseases that affect roses. Unfortunately, when left untreated, powdery mildew has the potential to completely destroy your rose garden. From a financial standpoint, this loss of roses can prove to be incredibly damaging. Not only will powdery mildew limit the production levels of your harvest, the flowers that do bloom are of poor quality. When looking to sell roses as cut flowers, it is imperative to protect them from powdery mildew.

Powdery mildew is relatively easy to recognize, as gardens roses will be significantly dwarfed and covered with a white-gray mildew. The disease is most likely to first appear on the upper leaf surfaces and will display an irregular, slightly raised region that materializes like blisters. The following methods are the most effective way to control and prevent powdery mildew from attacking your rose garden:

  • Start from a top-quality place: purchase rose plants that are from a trustworthy nursery and make sure that the leaves are glossy, thick, and leathery.
  • Trim roses during the fall and early spring seasons
  • Make sure to plant properly with adequate hydration and well-drained soil
  • Avoid working with the rose plants when wet
  • Be sure to space the plants with ample room in between to allow for proper air circulation
  • Use an organic fertilizer to prevent disease and infection
  • Protect roses for the winter season

Safeguarding your rose garden is important for many reasons. Those who depend on their rose production for sales must make sure that they are taking every precaution possible to protect their roses from powdery mildew. Remember, the fungus draws upon the moisture and nutrients of your rose leaves. Regularly check your rose garden for any signs and symptoms of powdery mildew.

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