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Daphne-Cutting Rots March 2023 See: Rhododendron- Cutting Rots Note Both Fusarium and Rhizoctonia have been cultured by the OSU Plant Clinic from rotting Daphne cuttings that failed to root. ...
Daphne-Viruses March 2023 Cause Daphne-infecting viruses such as Cycas necrotic stunt virus (CNSV, Nepovirus) which was prevalent in Korea, Carnation mottle virus (CaMoV, Carmovirus) has been found by the OSU Plant Clinic, Cucumber mosaic virus (CMV, Cucu ...
Impatiens-Botrytis Blight March 2023 See: Greenhouse Plants, Ornamental- Gray Mold Cause The fungus Botrytis cinerea, which colonizes dead, dying, and wounded plant parts. From these infections they can attack healthy impatiens tissues. Flower petals, of ...
Impatiens-Crown Rot (Damping-off) March 2023 See: Greenhouse Plants, Ornamental- Pythium Seed Rot, Damping-off, and Root Rot Cause Several organisms. A Pythium sp. has been reported from Washington as causing damping-off. The OSU Plant Clinic has found bo ...
Impatiens (Impatiens walleriana)-Downy Mildew March 2023 Cause Plasmopara destructor is a host-specific, fungus-like organism known as an oomycete, or water mold. There have been sporadic reports in greenhouses since 2004, but it was not until summer 2011 ...
Impatiens-Impatiens Necrotic Spot March 2023 See: Greenhouse Plants, Ornamental- Impatiens Necrotic Spot Cause Impatiens necrotic spot virus (INSV), formerly the I strain of the Tomato spotted wilt virus (TSWV-L). The INSV has been reported on many floral ...
Indian Hawthorn (Rhaphiolepis indica)-Leaf Spot March 2023 See: Photinia- Leaf Spot Cause The fungus Diplocarpon mespili (asexual: Entomosporium mespili), is most active during prolonged periods of cool, wet weather in the spring. Fungal spores overwinter ...
