National Botanical Gardens Major Attraction- Insectivorous plants Maintained by Southern circle of BSI Established in JNTBGRI Trivandrum Kerala , trees and , shrubs Major attraction- Bambusetum ( species) Conserving tropical plant: Genetic resources Established in & on , species plants & species of plants p Figure . : National Botanical Garden Preparation of herbarium Specimen Herbarium Specimen is defined as a pressed and dried plant sample that is permanently glued or strapped to a sheet of paper along with a documentation label. Preparation of herbarium specimen includes the following steps. .
Plant collection: Field collection, Liquid preserved collection, Living collection, Collection for molecular studies. . Documentation of field site data . Preparation of plant specimen .
Mounting herbarium specimen . Herbarium labels. . Protection of herbarium sheets against mold and insects Uses of Herbarium .
Herbarium provides resource material for systematic research and studies. . It is a place for orderly arrangement of voucher specimens. .
Voucher specimen serves as a reference for comparing doubtful newly collected fresh specimens. . Voucher specimens play a role in studies like floristic diversity, environmental assessment, ecological mechanisms and survey of unexplored areas. .
Herbarium provides opportunity for documenting biodiversity and studies related to the field of ecology and conservation biology. Kew Herbarium Kew Garden is situated in South West London that houses the “largest and most diverse botanical and mycological collections in the world” founded in the year . Living collection includes more than , different kinds of plants. While herbarium which is one of the largest in the world has over seven million preserved plant specimens.
The library contains more than , , volumes and the a large number of visitors. For example, the Great Banyan Tree (Ficus benghalensis) in the Indian Botanical Garden at Kolkata. . Gardens have a wide range of species and supply taxonomic material for botanical research.
. Garden is used for self-instruction or demonstration purposes. . It can integrate information of diverse fields like Anatomy, Embryology, Phyto- chemistry, Cytology, Physiology and Ecology.
. Act as a conservation centre for diversity,