Search results
Results from the WOW.Com Content Network
Natural color in cotton comes from pigments found in cotton; these pigments can produce shades ranging from tan to green and brown. [3] Naturally pigmented green cotton derives its color from caffeic acid, a derivative of cinnamic acid, found in the suberin (wax) layer which is deposited in alternating layers with cellulose around the outside of the cotton fiber.
Sally Fox (born 1955) is a cotton breeder who breeds naturally colored varieties of cotton. She is the inventor of Foxfibre®️ and founder of the company Natural Cotton Colors Inc. Fox invented the first species of environmentally friendly colored cotton that could be spun into thread on a machine.
The main producer of cotton, as of December 2016, is India, at 26%, past China at 20% and the United States at 16%. [64] The leading cotton exporter is the United States, whose production is subsidized by the government, with subsidies estimated at $14 billion between 1995 and 2003.
Cotton is naturally a perennial but is grown as an annual to help control pests. [59] Planting time in spring in the Northern hemisphere varies from the beginning of February to the beginning of June. The area of the United States known as the South Plains is the largest contiguous cotton-growing region in the world.
Most natural fibers have natural color, the natural color of the cotton cloth is off-white or beige when it is undyed or not processed. [25] Because of the presence of natural pigment, wool has a slight yellow tint, [ 26 ] though the color is undesirable and is removed during the pre-treatment processes of scouring and bleaching.
In 1941, Taylor became the first Black woman to receive a doctorate in botany in the United States, and the first woman of any race to gain a Ph.D. in science from Fordham University.
Gossypium barbadense L. – Creole cotton/Sea Island Cotton (tropical South America) Gossypium darwinii G.Watt – Darwin's cotton (Galápagos Islands) Gossypium hirsutum L. – upland cotton (Central America, Mexico, the Caribbean and southern Florida) Gossypium mustelinum Miers ex G.Watt; Gossypium tomentosum Nutt. ex Seem – Maʻo or ...
The American artist Miriam C. Rice pioneered research into using various mushrooms for natural dyes. Starting in the late 1960s, she discovered mushroom dyes for a complete rainbow palette. Swedish and American mycologists, building upon Rice's research, have discovered sources for true blues ( Sarcodon squamosus ) and mossy greens ( Hydnellum ...