To save this one, you can remove any infected scales and repot in sterile soil in a clean pot. The mottle becomes more severe with stunting of all plant parts as time progresses. Most amaryllis and crinums in local landscapes appear to be affected by the red blotch fungus. Red blotch (Stagonospora curtissi) is a fungus disease that may affect both the appearance and the health of amaryllis plants. Southern blight of amaryllis can also be treated if you catch it in â¦ This disease, caused by the fungus Stagonospora curtissi, affects the appearance of amaryllis plants. Posted by 7 months ago. The fungus attacks the plant, staining the â¦ These red areas enlarge, elongate and then become sunken. To save this one, you can remove â¦ My amaryllis develop red blotches on the leaves and stems. I pulled off affected leaves, and now I’ve brought the amaryllis indoors to go dormant. They ate every tulip last spring. Inspect bulbs carefully to be sure there are no red marks on the inner layers of the bulbs (there can be some superficial markings that look similar on the outer layers) and use a sterile potting â¦ I'm trying to treat the bulbs and hacked them back HARD to remove as much infected tissue as possible, and I let them soak in fungicide â¦ 7 comments. Happily, there are many. hide. Red Blotch on Amaryllis. You’re going to love this affordable Baltimore condo. Symptoms Small, red, raised or elongated spots will first develop after infection of leaves or flower stalks. Start by removing severely affected foliage and older leaves â¦ Affected stalks have bright red lesions that are one-fourth to one-half inches wide and several inches long. However, this disease is not usually fatal to the plant. A systemic fungicide can be used. And, of course, daffodils and narcissus are almost deer-proof and come in an entertaining range of shapes and colors you can design with. Infected plants should be destroyed. I’d like to save this amaryllis as it is a fairly rare variety. The fungus Stagonospora curtisii is the culprit and Amaryllis are especially prone to it, especially in cool, damp conditions â that will be because of last summer they spent outdoors. Affected stalks have bright red lesions that are â¦ Damage results in death of the above-ground portions. Dark, brownish red spots â¦ Mosaic (virus): Infected plants are stunted and have yellow mottled leaves. Q. 'Naked ladies' (Amaryllis belladonna) are not as susceptible to infection. Click “Ask Maryland’s Gardening Experts” to send questions and photos. Amaryllis belladonna. (I don’t try to time blooming. Leaf Scorch or Red Blotch (fungus – Stagonospora curtisii): Flower stalks are affected resulting in their being distorted and stunted. It originates from a diseased bulb but affected leaves or flower stems can shed fungal spores as well. University of Maryland Extension’s Home and Garden Information Center offers free gardening and pest information at extension.umd.edu/hgic. Soil sterilization with chemicals or with steam may also be helpful. Small bead-like structures (sclerotia) appear among the white fungal strands and serve as overwintering bodies for the fungus. Red spot or red blotch on amaryllis is a fungal disease. ), Spanish bluebell (Hyacinthoides hispanica) and winter aconite (Eranthis hiemalis). Red Blotch. Commercial âamaryllisâ bulbs have few problems, but one of the most common is red blotch. The fungus is carried over in bulbs and discolored bulbs should be discarded. Southern Blight (fungus – Sclerotium rolfsii): A white fungal growth appears at the ground line and infects the plant at that point. The fungus and spores of red blotch are carried on the bulbs. However, my ignorance proved my undoing.
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