bulb of hippeastrum (amaryllis) with traces of stagonosporosis on a gray table

stagonosporosis red burn bulb disease mold infestation hippeastrum amaryllis one plant nature ornamental flower stagonospora meliloti tuber root garden horticulture season seasonal autumn blade gardening onions roots closeup home cultivated shaft lush hobby bulbous beautiful lily delicate botany agriculture floral growing amaryllidaceae hybrid