| Bryology |
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| Group Leader |
Dr. Virendra Nath, Sci 'F' |
| Phone |
Work
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91-522- 2205831 Ext.
234 |
| Home |
91-522- 2323523 |
| Email Id |
drvirendranath2001@rediffmail.com
v.nath@nbri.res.in |
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Other Scientists of the Group
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Dr. A. K. Asthana, Scientist B
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Bryology laboratory
at NBRI is the only centre of Bryological researches in India
among the CSIR Laboratories. It looks forward to train the postgraduate
students, researchers & young scientists from India and abroad
in the field of Bryology.
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Group works on
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- Exploration of bryophytic wealth of India.
- Floristic, monographic and revisionary studies on Hepatics,
Anthocerotes & Mosses.
- Ultrastructural studies of spores.
- Environmental studies of Bryophytes.
- Molecular biology of Bryophytes.
- Antimicrobial activities of Bryophytes.
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Objectives
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To assess the diversity of Indian Bryophytes
and preparation of an account of Bryophyte resources of India.
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To explore the economic & medicinal
importance of Indian Bryophytes.
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To apply the methods of conservation of
rare and threatened Bryophytes.
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Enrichment of Bryophyte Herbarium represented
by plants from various Biogeographical regions of
India .
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Achievements
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New species/reports: Frullania hattoriantha,
Cephalozia magna, Phaeoceros udarii, Frullania udarii
and Orontobryum darjeelingensis have
been discovered as new to the science; Riccardia platyclada,
Cephalozia siamensis, Frullania iniflexa, Lopholejeunea
recurvata and Frullania rotundistipula have been
reported for the first time from India. Besides, Brachythecium
garovaglioides, Anacolia menziesii, Anastrophyllum jorgensenii
have been newly reported from western Himalayas,
Phaeoceros kashyapii
from eastern Himalayas while
Heteroscyphus perfoleatus and Porella hattorii
have been newly added to the bryoflora of Meghalaya ( North-East
hills).
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Diversity and distributional studies have
been carried out on the genus Frullania, Phaeoceros and
Folioceros of India. A rare Indian liverwort Anthoceros
alpinus has been rediscovered after more than a century
from the same bryogeographical region.
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Chemical screening of Indian liverworts
e.g. Dumortiera hirsuta and Pallavicinia lyellii
have been carried out for the first time.
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Ultrastructural studies have been carried
out on several rare and interesting Indian liverworts like
Petalophyllum indicum, Schiffneria hyalina, Sauteria spongiosa
and Cryptomitrium himalayense etc. for the first time.
SEM studies have also been carried out for the first time
on the sporoderm pattern of ten Indian mosses viz. Atrichum
pallidum, A. flavisetum, Pogonatum himalayanum, Bartramia
pomiformis, Brachymenium indicum, Entodon rubicundus, Thuidium
minusculum, Brachythecium buchananii var. cuspediferum, Anoectangium
strachyanum, Funaria hygrometrica.
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Detailed morphotaxonomical account of scantly
known rare Indian liverwort Schiffneria hyalina, has
been provided for the first time.
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The illustrated floristic account of liverworts
(Hepaticae) of Khasi & Jaintia hills: Meghalaya(North
Eastern hills) has been prepared.
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The effect of environmental pollution on
some selected Bryophytes of Mussoorie has been studied.
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Genomic variations in the populations of Plagiochasma
appendiculatum growing at different bryogeographical regions
and habitats has been studied.
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Scientific validation of wound healing property of P.
appendiculatum has been done with the help of Laboratory
experiments.
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Project Completed
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Department of Science & Technology
sponsored Project "Diversity and Distribution of Hepaticae
and Anthocerotae (Bryophyta)" in N.E. hills in Meghalaya.
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Council of Science & Technology, U.P.
sponsored Project "Ecological and Floristic studies on
liverworts (Bryophyta)" of Garhwal hills, U.P.
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Council of Science & Technology, U.P,
sponsored project "Floristic survey and assessment of
Biodiversity (Flora) of the Corbett Tiger Reserve".
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Ongoing Sponsored Project
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Department of Biotechnology sponsored Project
"Biosystematic and conservation studies on a potential
liverwort: Plagiochasma appendiculatum
L. et L."
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Ministry of Environment & Forest sponsored
Project "Studies on the biological resource & documentation
of traditional knowledge on Amarkantak biosphere reserve,
Madhya Pradesh and Chhattisgarh".
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New Sponsored Project
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- Department of Science & Technology sponsored Project entitled
"Scientific validation of some bryophytes used in different
folklore as antimicrobial agent".
- Ministry of Environment & Forest sponsored project entitled
"Studies on the bryophyte diversity in Pachmarhi Biosphere Reserve
and their conservation strategies.
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On going In House Project
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- Studies on bryoflora of Darjeeling and its neighbouring areas.
- CSIR Network Programme on Pollution monitoring mitigation
systems and devices: Pollutant(metal)specific bioindicators
(plants)
- Assessment monitoring and conservation of Cryptogams (Algae,
Lichen, Bryophytes and Pteridophytes) in Dudhwa National Park
(U.P)
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