Growing roses Information on how to grow roses Introduction to roses The rose (Rosa Damascena) belongs to the rose family, and it is a fragrant and soft rose, and has several colors, including: Red, white and pink, it has spread widely in the Arab world, especially in the capital, Damascus. The original homeland of the rose, despite its spread in all countries of the world, the homeland of…
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English name: Rose Rosette Disease Scientific name: Rose rosette virus (RRV) and Rose rosette emaravirus (RRV-EMARa) Type of disease: Viral disease Family: Emaravirus Symptoms Rosette disease causes a variety of symptoms, including hyperplasia and mosaic growth. Bright red discoloration on stems and leaves, abnormal growth patterns (witch's monad), misshapen or stretched stems, and excessive...
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English name: Powdery Mildew Scientific name: Podosphaera pannosa, Sphaerotheca pannosa Type of disease: Fungal disease Family: Erysiphaceae Symptoms Downy fungal blight on roses appears in the form of white or grayish-white downy growth on the leaves, stems and buds. Affected leaves may become distorted, curled, and eventually turn yellow or brown. Severe injuries can lead to stunting...
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English name: Black Spot Scientific name: Diplocarpon rosae Disease type: Fungal disease Family: Dermateaceae Symptoms Black spot is one of the most common and devastating diseases of roses. They appear as circular black spots on the upper and lower sides of rose leaves. As the disease progresses, the spots may merge, causing the leaves to yellow and eventually drop. Stripping can happen...
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