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Cotton
(Morphology, extraction and uses)
By
Hem Chander
Assistant Professor (Botany)
Career Point University Hamirpur (HP) 176041
hemchander78@gmail.com
 Cotton is a natural fiber that grows on a plant. It is referred
as the “King of Fibers”. It is both a food and fiber crop, and
the plant is a leafy, green shrub related to the hibiscus
species of plants.
 There are up to 50 species of cotton in the Gossypium genus.
 The most commercially grown cotton species is Gossypium
hirsutum, first developed by the Mayan civilization in
hirsutum, first developed by the Mayan civilization in
Mexico.
 The fibers are used in textile industry, while the seed is used
as feed for cattles.
 The kernels are rich in protein (10-20%) and oil (upto 25%).
Cotton seed oil is extracted from the seeds.
 The full-grown seed is irregularly pear – shaped, varying in size
depending on the variety and conditions of growing.
 It may be naked or bear short hairs called "fuzz". All cultivated
cottons bear long fibres named "lint" and a majority of them
have also fuzz of the same seed.
 Lint and fuzz represent the outgrowths of epidermal cells on
seeds. Some cells continue to lengthen while other stops growing
seeds. Some cells continue to lengthen while other stops growing
after at time. The former are the lint and the latter the fuzz.
 The lint is removed by gins while the fuzz remains attached. The
colour of fibres may be white, brown or green and that of the
seed is usually grey, brownish or black.
 The kernels are rich in protein (10-20%) and oil (upto 25%).
Cotton seed oil is extracted from the seeds.
31. Cotton.pdf
31. Cotton.pdf
31. Cotton.pdf
31. Cotton.pdf
31. Cotton.pdf
31. Cotton.pdf
31. Cotton.pdf
31. Cotton.pdf
31. Cotton.pdf
31. Cotton.pdf
31. Cotton.pdf
31. Cotton.pdf
31. Cotton.pdf
31. Cotton.pdf
31. Cotton.pdf

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31. Cotton.pdf

  • 1. Cotton (Morphology, extraction and uses) By Hem Chander Assistant Professor (Botany) Career Point University Hamirpur (HP) 176041 hemchander78@gmail.com
  • 2.  Cotton is a natural fiber that grows on a plant. It is referred as the “King of Fibers”. It is both a food and fiber crop, and the plant is a leafy, green shrub related to the hibiscus species of plants.  There are up to 50 species of cotton in the Gossypium genus.  The most commercially grown cotton species is Gossypium hirsutum, first developed by the Mayan civilization in hirsutum, first developed by the Mayan civilization in Mexico.  The fibers are used in textile industry, while the seed is used as feed for cattles.  The kernels are rich in protein (10-20%) and oil (upto 25%). Cotton seed oil is extracted from the seeds.
  • 3.
  • 4.
  • 5.
  • 6.
  • 7.
  • 8.
  • 9.
  • 10.
  • 11.
  • 12.
  • 13.
  • 14.
  • 15.
  • 16.
  • 17.
  • 18.  The full-grown seed is irregularly pear – shaped, varying in size depending on the variety and conditions of growing.  It may be naked or bear short hairs called "fuzz". All cultivated cottons bear long fibres named "lint" and a majority of them have also fuzz of the same seed.  Lint and fuzz represent the outgrowths of epidermal cells on seeds. Some cells continue to lengthen while other stops growing seeds. Some cells continue to lengthen while other stops growing after at time. The former are the lint and the latter the fuzz.  The lint is removed by gins while the fuzz remains attached. The colour of fibres may be white, brown or green and that of the seed is usually grey, brownish or black.  The kernels are rich in protein (10-20%) and oil (upto 25%). Cotton seed oil is extracted from the seeds.