TAXONOMY OF FUNGI(MYCOLOGY) &ASCOMYCOTINA

BARAKAT,2016

http://www.ucmp.berkeley.edu/chromista/saprolegnia2.jpg

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  

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asexual spores

MICROSPHAERA PENICILLATA

Ascocarp

Ascospores

Sexual Reproduction

Microsphaera

ERYSIPHE

Erysiphe

MICROSPHAERA PENICILLATA

Podosphaera

PODOSPHAERA CLANDESTINA

UNCINULA LÉV.

SPHAEROTHECA PANNOSA

PHYLLACTINIA LÉV.