Page 37 - Science Class 06
P. 37
Plant Fibres Geographical condi ons for co on plants:
Plant fibers are generally composed of v Climate : Warm
cellulose, o en in combina on with other v Temperature : Around 25°C or more in
components such as lignin. Examples summer.
include co on, hemp, jute, flax, ramie, sisal,
and bagasse. Plant fibers are classified v Rainfall : Moderate
according to their source in plants. v Soil : Some soils are specially suited to
co on plants, e.g., the regur or black
Bast or stem fibers, derived from the fibrous
co on soils of the north-west deccan in
bundles in the inner bark of plant stems.
India.
Leaf fibers, which run lengthwise through
the leaves of monocotyledonous plants. Cotton
Seed-hair fibers, such as co on. AFGHANISTAN
Co on
P A K I S T A N
CHINA
TIBET
Co on is obtained from the hairs surroun-
ding the seeds of the plants of the N E P A L
gossypium family. The fluffy stuff surroun-
Tr op ic of C an ce r
ding the seeds is called co on.
MYANMAR
ARABIAN
SEA
BAY OF BENGAL
SRI ANDAMAN AND NICOBAR ISLANDS (INDIA)
LAKSHADWEEP (INDIA)
I N D I A N LANKA O C E A N
Co on Producing States
Jute
White fluffy material of Jute is known as the ‘Golden Fibre’ due to
co on plant is co on.
its golden brown colour and its importance.
Firstly, co on is collected and separated In terms of usage, produc on and global
from the seeds in ginning factories. The consump on, jute is the second only to
machine that separate co on from the co on. It is the fibre used to make hessian
seeds is called gin. Co on is then packed sacks and garden twine. Jute is environment
into big bales and sent to tex le mills where friendly as well as being one of the most
it is cleaned and spun into threads called affordable fibres; jute plants are easy to
yarn. Finally, yarn is woven into cloth. grow, have a high yield per acre and unlike
co on, have li le need for pes cides and
Science-6 37