Nashra Husain Bryophyte.pptx

Nashra Husain Bryophyte.pptx
GREEK TERM GIVEN BY ROBERT BRYON.
• Bryon =‘Tree-Moss’ ; ‘ Oyster-Green’.
• Phyton = plants.
Father of Bryology - Hedwig
Father of Indian Bryology -Shiv Ram Kashyap
HEDWIG SHIV RAM KASHYAP
ROBERT BYRON
• Mostly Semi-Terrestrial
(Amphibians of Plant Kingdom.)
• Moist and shady places.
• Bare rocks and soil.
• Cosmopolitan.
• In India found in Nilgiri Hills,Kullu, Manali
& Himalayas
•
SEMI TERRESTRIAL
BARE ROCKS
NILGIRI HILLS HIMALAYAS
• Body is
1.
• True root, stem & leaves absent.
• Avascular plants.
• Flowers,Fruits & seeds not produced.
• Chlorophyll A & B present.
• Cryptogams
RHIZOIDS
1.THALLOID 2.FOLIOSE
Vegetative reproduction
2.Tubers
.
3. Gemmae cups.
4.Secondary protenema
1.Fragmentation
Oogamous
Male sex organ(Antheridium)
 Pear shaped.
 Contains mass of cell called androcytes.
 Androcytes metamorphoses biflagellate male gamete
antherozoids.
Female Sex Organs(archegonium)
 Stalked.
 Flask –shaped.
 Basal swollen portion called ventor.
 Elongated neck.
 Neck contains neck canal cells & ventor canal cells
MALE(ANTHERIDIOPHORE) & FEMALE
(ARCHEGONIOPHORE)
ANTHERIDIUM
ARCHEGONIUM
• After Fertilisation zygote is formed.
• Zygote Develops into Embryo
• Embryo Develops into Sporophyte.
• Completely dependent on
gametophyte.
• nutritionally
• Generally differentitated into foot,seta
and capsule
• Foot and capsule(Corsinia)
• Or only capsule (Riccia)
• Meispore – First cell.
• Dominant phase.
• Produces anthredia and
archegonia.
• Zygote develops sporophyte and it
remains attached to gametophyte.
• Nutritionally independent.
Classification of bryophyte
BRYOPHYTE
HEPATICOPSIDA
(LIVERWORTS)
ANTHECEROTOPSIDA
(HORNWORTS)
BRYOPSIDA(MOSSES)
• Liver like thallus.
• Gametophyte thalloid or foliose
• Rhizoids unicellular ,branched &
• septate.
• Columella absent in capsule.
• Examples
• Riccia
• Merchantia
• Spherocarpus,
• Pellia
• Porella
LIVER LIKE THALLUS
Riccia Merchantia
Spherocarpus
Pellia Porella
• Horn like sporophyte.
• Pyrenoids present in chloroplast.
• Gametophyte thalloid.
• Rhizoids smooth walled.
• Columella present.
• Examples
• Anthoceros
• Megaceros
• Notothylas
Antheceros
Megaceros
Notothylas
• Gametophyte is differentiated into protenema &
foliose gametophore.
• Pyrenoids absent in chloroplasts.
• Rhizoids multicellular,filamentous,branched with
oblique septa.
• Columella present.
• Examples
• Funaria
• Sphagnum
• Polytrichum
• Pogonatum.
Funaria
Sphagnum
Polytrichum Pogonatum
• Sphagnum – Medical Dressing.
• Merchantia- Treatement of
Pulmonary Tuberculosis.
• Polytrichum – used as indicator.
• Polytrichum:Dissolve stones in
kidney and gall bladder.
• Liverworts and mosses:Research
in Genetics.
• Sphagnum :Used as peat moss.
• Introduction to Bryophytes
• by Alain Vanderpoorten , Bernard Goffinet .
• Introduction of Bryophyte by Afroz Alam.
• https://byjus.com/neet/classification-of-bryophytes/ on 13/12/22 at
7;05pm.
https://en.wikipedia.org/wiki/Bryophyte on 13/12/22 at 7;40p.m.
• https://www.biologydiscussion.com/bryophyta/reproduction-in-
bryophytes-with-diagram-botany/53844 on 14/12/22 at
8;00p.m
Blawhorn-D0247.jpgliverwort.htmlmosses-and-liverworts.html on
14/12/22 at 7;55p.m.
• http://blogs.ubc.ca/biology321/?page_id=3310 on 14/12/22
at8;30p,m.
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Nashra Husain Bryophyte.pptx

  • 2. GREEK TERM GIVEN BY ROBERT BRYON. • Bryon =‘Tree-Moss’ ; ‘ Oyster-Green’. • Phyton = plants. Father of Bryology - Hedwig Father of Indian Bryology -Shiv Ram Kashyap HEDWIG SHIV RAM KASHYAP ROBERT BYRON
  • 3. • Mostly Semi-Terrestrial (Amphibians of Plant Kingdom.) • Moist and shady places. • Bare rocks and soil. • Cosmopolitan. • In India found in Nilgiri Hills,Kullu, Manali & Himalayas • SEMI TERRESTRIAL BARE ROCKS NILGIRI HILLS HIMALAYAS
  • 4. • Body is 1. • True root, stem & leaves absent. • Avascular plants. • Flowers,Fruits & seeds not produced. • Chlorophyll A & B present. • Cryptogams RHIZOIDS 1.THALLOID 2.FOLIOSE
  • 5. Vegetative reproduction 2.Tubers . 3. Gemmae cups. 4.Secondary protenema 1.Fragmentation
  • 6. Oogamous Male sex organ(Antheridium)  Pear shaped.  Contains mass of cell called androcytes.  Androcytes metamorphoses biflagellate male gamete antherozoids. Female Sex Organs(archegonium)  Stalked.  Flask –shaped.  Basal swollen portion called ventor.  Elongated neck.  Neck contains neck canal cells & ventor canal cells
  • 8. • After Fertilisation zygote is formed. • Zygote Develops into Embryo • Embryo Develops into Sporophyte. • Completely dependent on gametophyte. • nutritionally • Generally differentitated into foot,seta and capsule • Foot and capsule(Corsinia) • Or only capsule (Riccia)
  • 9. • Meispore – First cell. • Dominant phase. • Produces anthredia and archegonia. • Zygote develops sporophyte and it remains attached to gametophyte. • Nutritionally independent.
  • 11. • Liver like thallus. • Gametophyte thalloid or foliose • Rhizoids unicellular ,branched & • septate. • Columella absent in capsule. • Examples • Riccia • Merchantia • Spherocarpus, • Pellia • Porella LIVER LIKE THALLUS
  • 13. • Horn like sporophyte. • Pyrenoids present in chloroplast. • Gametophyte thalloid. • Rhizoids smooth walled. • Columella present. • Examples • Anthoceros • Megaceros • Notothylas Antheceros Megaceros Notothylas
  • 14. • Gametophyte is differentiated into protenema & foliose gametophore. • Pyrenoids absent in chloroplasts. • Rhizoids multicellular,filamentous,branched with oblique septa. • Columella present. • Examples • Funaria • Sphagnum • Polytrichum • Pogonatum.
  • 16. • Sphagnum – Medical Dressing. • Merchantia- Treatement of Pulmonary Tuberculosis. • Polytrichum – used as indicator. • Polytrichum:Dissolve stones in kidney and gall bladder. • Liverworts and mosses:Research in Genetics. • Sphagnum :Used as peat moss.
  • 17. • Introduction to Bryophytes • by Alain Vanderpoorten , Bernard Goffinet . • Introduction of Bryophyte by Afroz Alam. • https://byjus.com/neet/classification-of-bryophytes/ on 13/12/22 at 7;05pm. https://en.wikipedia.org/wiki/Bryophyte on 13/12/22 at 7;40p.m. • https://www.biologydiscussion.com/bryophyta/reproduction-in- bryophytes-with-diagram-botany/53844 on 14/12/22 at 8;00p.m Blawhorn-D0247.jpgliverwort.htmlmosses-and-liverworts.html on 14/12/22 at 7;55p.m. • http://blogs.ubc.ca/biology321/?page_id=3310 on 14/12/22 at8;30p,m.