cotton

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cotton summary

cotton

Q: What are the uses of cotton?

Cotton fibers can be used in a wide variety of fabrics ranging from lightweight voiles and laces to heavy sailcloths and thick-piled velveteens. It is also suitable for a great variety of wearing apparel, home furnishings, and industrial uses. Nonwoven cotton is useful for making disposable products such as tea bags, tablecloths, bandages, and disposable uniforms and sheets.

Q: What type of fiber is cotton?

Cotton is a seed-hair fiber made mostly of cellulose. The fibers are composed of about 87 to 90 percent cellulose (a carbohydrate plant substance), 5 to 8 percent water, and 4 to 6 percent natural impurities.

Q: How tall does a cotton plant grow?

The cotton plant grows up to 6 meters (20 feet) high in the tropics. It characteristically ranges from 1 to 2 meters (3 to 6.5 feet) in height under cultivation.

Q: Why was Bt cotton created?

The genetically modified “Bt cotton” was developed to produce bacterial proteins that are toxic to herbivorous insects, ostensibly reducing the number of pesticides needed. The bacterium Bacillus thuringiensis (Bt) is the source of the genes used to create Bt cotton.

Q: What insects attack the cotton plant?

Cotton plants are attacked by several hundred species of insects, including such harmful species as the boll weevil, pink bollworm, cotton leafworm, cotton flea hopper, cotton aphid, rapid plant bug, conchuela, southern green stinkbug, spider mites (red spiders), grasshoppers, thrips, and tarnished plant bugs.

fibre and plant

Written by Hans-Dietrich H. Weigmann

Fact-checked by The Editors of Encyclopaedia Britannica

Last Updated: Dec 15, 2024 • Article History

Key People:: Robert Owen; David Dickson; Samuel Slater

Related Topics:: cotton gin; cotton harvester; linter; lint; cotton thread

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What are the uses of cotton?

What type of fiber is cotton?

How tall does a cotton plant grow?

Why was Bt cotton created?

What insects attack the cotton plant?

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cotton, seed-hair fibre of several species of plants of the genus Gossypium, belonging to the hibiscus, or mallow, family (Malvaceae). Cotton, one of the world’s leading agricultural crops, is plentiful and economically produced, making cotton products relatively inexpensive. The fibres can be made into a wide variety of fabrics ranging from lightweight voiles and laces to heavy sailcloths and thick-piled velveteens, suitable for a great variety of wearing apparel, home furnishings, and industrial uses. Cotton fabrics can be extremely durable and resistant to abrasion. Cotton accepts many dyes, is usually washable, and can be ironed at relatively high temperatures. It ...(100 of 1583 words)

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