Question

Differentiate between phycomycetes and basidiomycetes.

Answer 1

Answer:

The main difference between these two groups is in the way in which they produce their microscopic spores. In the Basidiomycetes, the spores are produced externally, on the end of specialised cells called basidia. In Ascomycetes, spores are produced internally, inside a sac called an ascus.

Answer 2

Answer:

Phycomycetes

• habit and habitat- Moist damp areas or an obligate parasite on plants.

• structure of mycelium- Aseptate and coenocytic.

• Asexual Reproduction- Zoospores (motile) , Aplanospores (non-motile)

• Sexual reproduction- Isogamous, anisogamous or oogamous  Zygospores

• Examples- Mucor, Rhizopus, Albugo

Basidiomycetes

• habit and habitat- Found in soil, logs or as a parasite in plant bodies

• structure of mycelium-Branched, septate

• Asexual Reproduction-Vegetative reproduction is by fragmentation, no asexual spore formation

• Sexual reproduction-No sexual organs, basidiospores are formed in the basidium  

        karyogamy after dikaryon phase

• Examples- Agaricus, Ustilago, Puccinia

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