COMPILED AND CIRCULATED BY PROFESSOR SANJAY KUMAR DATTA, GOVT. APPROVED PART TIME TEACHER, DEPARTMENT OF BOTANY, NARAJOLE RAJ COLLEGE STUDY OF RHIZOPUS PROFESSOR SANJAY KUMAR DATTA DEPT. OF BOTANY NARAJOLE RAJ COLLEGE BOTANY: SEM-II, PAPER - C3T: MYCOLOGY AND PHYTOPATHOLOGY, UNIT-2: CHITRIDIOMYCOTA AND ZYGOMYCOTA COMPILED AND CIRCULATED BY PROFESSOR SANJAY KUMAR DATTA, GOVT. APPROVED PART TIME TEACHER, DEPARTMENT OF BOTANY, NARAJOLE RAJ COLLEGE Systematic Position Division – Eumycota Sub-division -Zygomycotina Class - zygomycetes Order - Mucorales Family – Mucoraceae Genus – Rhizopus Common Indian species – 1 . Rhizopus stolonifer 2 . Rhizopus oryzae 3 . Rhizopus sinensis BOTANY: SEM-II, PAPER - C3T: MYCOLOGY AND PHYTOPATHOLOGY, UNIT-2: CHITRIDIOMYCOTA AND ZYGOMYCOTA COMPILED AND CIRCULATED BY PROFESSOR SANJAY KUMAR DATTA, GOVT. APPROVED PART TIME TEACHER, DEPARTMENT OF BOTANY, NARAJOLE RAJ COLLEGE VEGETATIVE BODY ❑Mycellium ❑Hyphae ❑Rhizoids ❑Sporangiophore ❑Sporangium BOTANY: SEM-II, PAPER - C3T: MYCOLOGY AND PHYTOPATHOLOGY, UNIT-2: CHITRIDIOMYCOTA &ANDZYGOMYCOTA COMPILED AND CIRCULATED BY PROFESSOR SANJAY KUMAR DATTA, GOVT. APPROVED PART TIME TEACHER, DEPARTMENT OF BOTANY, NARAJOLE RAJ COLLEGE ❖REPRODUCTION OF Rhizopus sp. ❑THERE ARE TWO TYPES OF REPRODUCTION 1 . ASEXUAL REPRODUCTION 2 . SEXUAL REPRODUCTION BOTANY: SEM-II, PAPER - C3T: MYCOLOGY AND PHYTOPATHOLOGY, UNIT-2: CHITRIDIOMYCOTA AND ZYGOMYCOTA COMPILED AND CIRCULATED BY PROFESSOR SANJAY KUMAR DATTA, GOVT. APPROVED PART TIME TEACHER, DEPARTMENT OF BOTANY, NARAJOLE RAJ COLLEGE ❖ASEXUAL REPRODUCTION ➢By non-motile sporangiospores ➢One or more aerial hyphae produced above the rhizoids- called Sporangiophores. ➢Tip portion globose structure – called Sporangium. ➢Vaculated zone at center – Columella ➢Peripheral zone becomes divided into large number of multinucleate – Sporangiospores. BOTANY: SEM-II, PAPER - C3T: MYCOLOGY AND PHYTOPATHOLOGY, UNIT-2: CHITRIDIOMYCOTA AND ZYGOMYCOTA COMPILED AND CIRCULATED BY PROFESSOR SANJAY KUMAR DATTA, GOVT. APPROVED PART TIME TEACHER, DEPARTMENT OF BOTANY, NARAJOLE RAJ COLLEGE SEXUAL REPRODUCTION Life Cycle of Rhizopus stolonifer BOTANY: SEM-II, PAPER - C3T: MYCOLOGY AND PHYTOPATHOLOGY, UNIT-2: CHITRIDIOMYCOTA AND ZYGOMYCOTA COMPILED AND CIRCULATED BY PROFESSOR SANJAY KUMAR DATTA, GOVT. APPROVED PART TIME TEACHER, DEPARTMENT OF BOTANY, NARAJOLE RAJ COLLEGE Economic importance of Rhizopus . ❖Beneficial Importance :- ❖Harmful Importance :- ➢ Rhizopus stolonifer helps to make Fumaric acid . ➢Rhizopus stolonifer - rot of ➢Rhizopus oryzae helps to make sweet potato( Soft rot) alcohole. ➢Rhizopus stolonifer - leak ➢ Rhizopus sinensis helps to disease of strawberries. make. Lactic acid ➢Rhizopus microporus – ➢Some strains of Rhizopus sp. Mucormycosis disease of man Help to prepared delicious food – and animals. ”Tempeh” in Indonesia. BOTANY: SEM-II, PAPER - C3T: MYCOLOGY AND PHYTOPATHOLOGY, UNIT-2: CHITRIDIOMYCOTA AND ZYGOMYCOTA COMPILED AND CIRCULATED BY PROFESSOR SANJAY KUMAR DATTA, GOVT. APPROVED PART TIME TEACHER, DEPARTMENT OF BOTANY, NARAJOLE RAJ COLLEGE THANK YOU BOTANY: SEM-II, PAPER - C3T: MYCOLOGY AND PHYTOPATHOLOGY, UNIT-2: CHITRIDIOMYCOTA AND ZYGOMYCOTA.