Rheum australe
Family : Polygonaceae
Vernacular names : Chutsa (Am), Tarbu
bartar (Km); Padamchal, Chulthi amilo, Mirechuk (Dn,
Np); Amlaparni, Pitamulika (Sn).
Common name : Himalayan rhubarb.
Habitat & distribution : Open slopes; 3200-4200
m, WCE Nepal. Distributed in the Himalaya (Himachal
Pradesh to Bhutan), China (Xizang). Locally found in
Dokpa, Mukroman, Pungmo areas.
Diagnostic characters : Robust perennial herb,
with hollow stem and stout rootstocks. Leaves
orbicular, with heart-shaped base, long petioled; upper
leaves smaller. Flowers small, dark reddish-purple, in
terminal panicles. Fruit purple, winged.
Occurrence : Common.
Flowering & fruiting : Jun.-Jul. (fl), Jul.-Sep. (fr).
Parts used : Rootstocks & petioles.
Taste/Potency : Sour (kyur) & bitter
(kha)/ Neutral (nyom).
Use : Rootstocks in fracture,
sprain, indigestion, bloated stomach, sores, menstrual
and blood disorders, and bile fever. Also used for
colouring wool and as fixative. Petioles are used as
anthelmintic, and in gastritis and swelllings. Also used
as pickle.
Toxicity : Non-toxic.
Mode of use : Used singly or with other
herbs. Petioles are chewed raw to kill intestinal
worms. Also dried and stored for later consumption.
Chief constituents : Emodin, glucoside
rhapontien, chryosophanol, alueemodin, tannin and
catechin .
Harvesting : Rootstocks are harvested
during Sep.-Oct. and petioles during Jun.-Jul.
National status : Threat not known.
Local status : Highly vulnerable. Threat
is high due to unsustainable harvesting for trade.
Major documentation : Arya (1998), Chophel
(1993), CSIR (1972, 1986), Dawa (1993), HMG
(1970), IUCN (2000), Joshi and Joshi (2001),
Rajbhandari (2001).
TRIBHUVAN UNIVERSITY 2080 Bachelor Level (4 Yrs.)/Science & Tech./ III Year Research Methodology [R.M.305] (Compulsory) Time: 3 hrs. Full Marks: 100 New Course Candidates are required to give their answers in their own words as far as practicable. The questions are of equal value. 10x10=100 Attempt any TEN questions. Define research. Explain the chief characteristics of scientific research. Define research problem. Explain the ways of selecting a meaningful research problem. Also, describe the methods of problem identification. What are the methods of data collection for the purpose of research? Discuss the ways of data collection activity by schedule. Also, describe different types of schedules. What is sampling? Discuss the needs of sampling for research work. A statistics practitioner would like to estimate a population mean within 15 units. The confidence level has been set at 99% and population standard deviation = 174. Determine the sample size. What are the methods of redu...
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