Cloth
producing plants: Soft
fibers are used for making thread by whichcloths are produced. Cotton, jute
etc. are fibre-yielding plants. Five plants of this kind are described below:
1.
Cotton (Gossypium sp.): generally KARPAS Cotton
is known as cotton. In cultivation this plant is an annual plant. Plant attains
a height of 3-4 feet. Seeds develop inside the fruit and cotton fibre borne on
the outer surface of the seed coat. For this reason cotton is called surface
fibre. The silk cotton (Shimul Tula) develops in the inner surface of the fruit
wall, not on the seed coat.
Uses:
It is used in making thread and
different kinds of cotton clothes
2. Jute (Corchorus sp.):Jute
plant is an annual herb. Its stem is slender andusually without any branches,
leaves are simple. In Bangladesh two species of jute are cultivated. One is
Tosha (Corchorus olitorius), the
fibre which is golden in colour, fruits are long, and seeds are blue, and
usually cultivated in high lands. Another one is white jute or Suti-pat (Corchorus capsularis) - the fibre of
which is white, fruit round shaped, seeds are brown and usually cultivated in
lowlands. Fibre originates from the bark of the stem thus from the secondary
phloem tissue. This kind of fiber is called bast fibre.
Uses:
Jute is used in making twine,
sackcloth, gunny bags, carpet etc.
3.
Mesta: Mesta is
an annual herbaceous plant. It attains a height of 10-15 feet. Flower is large and
yellow in colour. Bast fibres are collected from the bark of the stem.
Uses:
Mesta fibre is used in making
carpets,coarse cloths etc.
4.
Sunn Hemp (Crotalaria juncea):It is anannual plant. Stem is
usually 6-10 feet in height. Flowers are yellow and Papilionaceous. Fruits are
more or less like a balloon. The
bast fibres collected from the bark of the stem.
Uses:
The fibre is used in making
coarsecloths, canvas, curtain-cloths, tissue paper, cigarette paper etc.
5.
Bamboo (Bambusa sp):Bamboo is aperenniel long tree like plant. By chemical
process Rayon - an artificial thread is prepared from bamboos. Because
abundance growth of bamboos in Chittagong the Rayon mill has been established
there.
Uses:
It is used in making different kinds
of cloth. Besides bamboo is one ofthe most important sources of paper pulp.
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