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Understanding Tecomella undulata: an endangered pharmaceutically important timber species of hot arid regions

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Title Understanding Tecomella undulata: an endangered pharmaceutically important timber species of hot arid regions
Not Available
 
Creator Kalia Rajwant K
Manoj K. Rai
Ramavtar Sharma
R. K. Bhatt
 
Subject Agroforestry
Bioactive constituents
Micropropagation
Rohida
Tecomella undulata
Threatened species
Vesicular arbuscular mycorrhiza
 
Description Not Available
Abstract Tecomella undulata (Sm.) Seem. (family
Bignoniaceae) is an economically and pharmaceutically
important small tree of arid regions of India, Pakistan and Arabia. It is well known as ‘Desert teak’ or ‘Marwar teak’ being the main source of timber amongst the tree species of desert region of Rajasthan, India. T. undulata has occupied a reputed position of having valuable medicinal properties in both folk and classical streams of indigenous medicinal systems. Plant is well-known for its wide range of therapeutic activities like hepatoprotective, antibacterial, antimicrobial, antifungal and anti-termite, immunomodulatory, anticancer, cytotoxic, analgesic, antiinflammatory, anti-obesity, etc. Rohitakarishta, an
ayurvedic drug obtained from T. undulata, is the
classical compound which is being prescribed in liver
and spleen diseases, oedema and anaemia. This well
accepted agroforestry tree of the arid regions is
heading towards extinction due to its increasing
demand in timber and pharmacological industries
coupled with negligible conservation efforts. This
R. K. Kalia (&) M. K. Rai R. Sharma R. K. Bhatt
Division of Plant Improvement, Propagation and Pest
Author's personal copy Management [Division III (PIP and PM)], Central Arid Zone Research Institute (CAZRI),
Jodhpur 342003, Rajasthan, India e-mail: ajwantkalia@yahoo.com;
rajwantkalia@cazri.res.in
species has now been designated as ‘‘threatened’’ in
Rajasthan, India. Susceptibility to many pathogens
and pests is one of the major problems and detrimental
factor in successful establishment and growth of this
tree. Conventionally, it is propagated through seeds;
however, natural regeneration of plants is poor due to
air dispersal of seeds to remote areas, extreme
environmental conditions during seed dispersal,
improper harvest and storage of seeds, and short seed
viability. The tree is very slow growing and suitable
vegetative propagation methods are not available for
its rapid multiplication. Alternatively, attempts have
been made to propagate this tree through in vitro
approaches; however, it also has many limitations
including difficulties in culture establishment, slow
growth, low rooting rates as well as field establishment
rates. Moreover, little information is available regard-
ing genetic diversity in this species using morphological
and molecular markers. Efforts to undertake
breeding programs for improvement of T. undulata
have not been initiated yet. Some literature is available
regarding cytology, role in agroforestry and silviculture,
association with vesicular arbuscular mycorrhiza
and application of biotechnological tools in T. undulata,
however, an exponential increase in research
publications on identification of bioactive constituents
and verification of pharmacological effects has been
recorded in the recent past. In this communication, we
emphasize the research progress made in T. undulata
on various aspects and suggest some future directions
of research.
Not Available
 
Date 2020-12-23T10:52:07Z
2020-12-23T10:52:07Z
2014-06-01
 
Type Research Paper
 
Identifier 68. Kalia Rajwant K., Manoj K. Rai, Ramavtar Sharma, R. K. Bhatt. 2014. Understanding Tecomella undulata: an endangered pharmaceutically important timber species of hot arid regions. Genet Resour Crop Evol. DOI 10.1007/s10722-014-0140-3
Not Available
http://krishi.icar.gov.in/jspui/handle/123456789/43592
 
Language English
 
Relation Not Available;
 
Publisher Not Available