flower of hibiscus attacked by a rotten fungi

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