6. Zygomycota Flashcards
Name a general characteristic of fungi.
cell walls contain chitin
Name two general characteristics of lower fungi.
- non-septate hyphae/mycelia
- multinucleate
Name two general characteristics of higher fungi.
- septate hyphae
- uninucleate cells
What are the two Phylum under Lower fungi?
- Chytridiomycota
2. Zygomycota
Give two characteristics of Chytridiomycota.
- mycelia not well developed
- unicellular
Give an example of a Chytridiomycota pathogen and the disease it causes.
Synchytrium endobioticum cause black wart of potato
Give three characteristics of Zygomycota.
- non-septate
- multinucleate
- well developed mycelia
Two similar _______ unite making a ______ in the sexual reproduction of Zygomycota.
Two similar (gametangia) unite making a (zygospore) in the sexual reproduction of Zygomycota.
Give an example of a Zygomycota pathogen and the disease it causes.
- Rhizopus spp. which cause storage rots of fruits and vegetables.
- Mucor sp. which are saprophytes and cause bread mold
- Glomus sp. which are endo-mycorrhiza
What are some symptoms of Rhizopus spp.
Infected fleshy area appear water soaked, tissue become very soft and rot.
What does Rhizopus spp. produce to soften and rot the hosts’ roots?
Rhizopus spp. produces high amounts of pectolytic enzymes.
What are some signs of Rhizopus spp.
- fluffy, very sparse, greyish mycelia (not thick)
- sporangiophores with blackish sporangia at the tip
What is the asexual fruiting body of Rhizopus spp.?
Sporangiophore which contain sporangia which contain aplanospores (?)
What is the sexual fruiting body of Rhizopus spp.?
Zygospores which contain aplanospores (?)
