c3l4.pptx bsc botany fungi general characteristic

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1. BSc. BOTANY HONOURS (UTKAL UNIVERSITY) MYCOLOGY AND PHYTOPATHOLOGY Core Paper - III Mode of Nutrition in Fungi General Classification of Fungi Lecture - 4 2 nd Semester

2. Mode of Nutrition in Fungi Parasitic Saprophytic Symbiotic Obigate parasite Facultative saprophytic Obigate saprophyte Facultative parasite Lichen Mycorrhiza NOTES :- 1 Obligate – truly dependent / follow Facultative – can live without a particular nutrition NOTES :- 2 Lichen – Algae + Fungi Mycorrhiza - Fungal mycelium + roots of higher plants Depend upon dead organic materials. Depend on living organisms. A mutual relationship.

3. Classification of Fungi Classified by G.C. Ainsworth (1973). (According to presence or absence of plasmodium) Kingdom FUNGI MYXOMYCOTA EUMYCOTA Presence of plasmodial hyphae Absence of plasmodial hyphae Arrasiomycetes Hydromyxomycetes Myxomycetes Plasmodiophoromycetes Based on asexual / sexual spores Mastigomycotina Zygomycotina Ascomycotina Deuteromycotina Basidiomycotina Zoospores Zygospores Ascospores Basidiospores No sexual reproduction

4. TRUE FUNGI (Based on Phylum) Chytridiomycota ( Singular class + 5 orders ) Zygomycota – Non motile spores ( 2 classes ) Ascomycota ( Sac fungi ) Basidiomycota ( Club fungi ) Deuteromycota ( 3 classes )

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