Post on 27-Jan-2017
TAXONOMY OF FUNGI(MYCOLOGY) &ASCOMYCOTINA
BARAKAT,2016
Plasmopara viticola
Key to the Genera of the Powdery Mildew Fungi 1. Cleistothecial wall thin and hyaline…....................................…..….Brasiliomyces
1. Cleistothecial wall thick and dark brown….........................……….2 2. Cleistothecia containing a single ascus…….........................……….3 2. Cleistothecia containing several to many asci.......................……….4
3. Cleistothecial appendages mycelioid (non-branched)……...……….Sphaerotheca
• 3. Cleistothecial appendages dichotomously branched….................….Podosphaera
• 4. Setose mycelial cells formed around the cleistothecia...............…….Blumeria 4. Setose mycelial cells absent………………………............……….5
• 5. Cleistothecial appendages mycelioid or lanceolate…..........………..6 5. Cleistothecial appendage tips dichotomously branched or curved......7
• 6. Cleistothecial appendages mycelioid………….................…………Erysiphe
6. Cleistothecial appendages rigid, tapered with bulbous base….….….Phyllactinia
• 7. Cleistothecial appendage tips dichotomously branched….......………Microsphaera 7. Cleistothecial appendage tips curved or coiled……..........…………Uncinula
•
asexual spores
MICROSPHAERA PENICILLATA
Ascocarp
Ascospores
Sexual Reproduction
Microsphaera
ERYSIPHE
Erysiphe
MICROSPHAERA PENICILLATA
Podosphaera
PODOSPHAERA CLANDESTINA
UNCINULA LÉV.
SPHAEROTHECA PANNOSA
PHYLLACTINIA LÉV.