rotten hibiscus flower

agriculrure agricultural agronomy algeria algiers anthocyanosis attacked botrytis cells chlorosis conservation danger death decay decayed disease diseased flower food fungi garden green harvest health hibiscus horticulture ill intoxication leaf leaves mosaic natural nature necrosis orange pathogen pathology patogen photosynthesis phragmidium phytopathology plant poison poisoning post pustules red rhizopous risk roing rosae rosebush rotten showing sick spores spot spots symptom symptoms tissue unhealthy unsound urediospores uredospores var viral wart white yellow yellowing