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Transcript of Fiber Crops
Selina Meza Pliable Fibers Fiber is an elongated sclerenchyma cell with secondary wall reinforced with lignin.
Fiber cells are sturdy because they occur in groups.
Fiber crops contains cellulose which makes the plant strong yet still pliable. "Bast fibers also called soft fibers, contain only small amounts of lignin and come from the phloem tissue of stems of plants called dicots" (Nabors, 2004).
"Hard fibers are typically stiffer and coarser than bast fibers because their cell walls contain more lignin. Hard fibers typically come from the xylem tissue of plants called monocots" (Nabors, 2004)
Surface fibers develop on the surface of a plant rather than inside the plant.
What is fiber? Plant Fiber uses throughout the world Types of Fibers Fiber yielded from plants is the second most reason we use and cultivate crops today.
Textile fibers are usually the fibers we make the most products out of i.e. cloth, cordage and paper. They are considered to be surface fibers, hard fibers and bast fibers.
cotton Flax Comes from the phloem tissue in the stems of plants in dicots.
Mainly used to make paper and fabric.
Climate plays a big role in the cultivation of flax.
Is a bast fiber (soft fiber) and can have many different qualities as in silky or coarse.
Hemp Can be made into a variety of products so production for hemp is greatly desired.
Different varieties of hemp can be either bast or hard fibers.
Ramie Jute Bast/ soft fiber yet it is still very coarse and therefore is used mainly to make very strong coarse materials like rope.
Although its not as soft as most bast fibers it is the most cultivated and used bast fiber today.
Can also be used to make floor coverings, home textiles and high performance textiles.
Do not dye very easily so not used for clothing (also because it is a very rough fiber).
Ground up pulp can be used to make paper. With increasing concern of the destruction of forest trees for paper, jute will probably be used to replace trees in the production of paper.
Economically and Environmentally beneficial.
Plant fibers are much easier to produce and can be biodegradable.
Can replace the demand for paper and other textiles at a lower cost due to their being inexpensive, their ability to grow fast and to be cultivated in large amounts.
Reduction in agricultural pesticides and also a reduction of landfills. References Kerr, A. 2005. The Environmental Benefits of Using Industrial Hemp. Available from the
world wide web: http://www.naihc.org/KerrIHbenefits.pdf. Accessed from the
World Wide web: 11 December 2012
Nabors, M. 2004. Introduction to Botany. San Francisco: Pearson Education, Inc. 626 pages.
University of Maryland. 1998. Plant Fiber Materials:
Cloth, Paper; Spices and Herbs. Available from the world wide web: http://www.life.umd.edu/classroom/bsci124/lec27.html. Accessed 9 December 2012.
Is a surface fiber, it grows off the surface of the cotton seed.
Very Labor intensive and really expensive to produce, but it is the most valued nonfood crop.
Each strand of cotton is a single cell long.
Here in the U.S we are the 2nd largest producers of cotton but we consume less than half of what we make
Benefits of using Plant fibers