Bt cottons remain safe from any damage by the bollworms because when ever a bollworm feeds on flower bud or flower or boll of a Bt cotton plant, the poisonous protein damages the digestive system of the insect and kills it.
The poisonous substance produced in Bt plant is a crystalline protein, endotoxin.
This protein is highly poisonous to the bollworms and insect pests of cotton.‘Bt’ is derived from the name of a soil bacterium ‘Bacillus thuringiensis’.
In Punjab, in 2006 ,Bt cotton was first introduced.
Some Bt cotton hybrids are Bollguard-I hybrids had only one Bt gene and Bollguard-II hybrids such as RCH 650 BG II and NCS 855 BG II had two Bt genes . These By cotton hybrids protect the crop from all four types of bollworms. They are as follows : American bollworm, pink bollworm, spotted bollworm and tobacco caterpillar.
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Cotton is used to make a variety of woven fabrics, including canvas, denim, damask, flannel, and more. Clothing. Cotton is a fixture of the textile industry as a result of its mass production, soft feel, durability, and absorbency. Cotton is frequently used for T-shirts, blue jeans, dresses, sweats, and so much more.
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cotton cloth are made by the natural cotton field.
Especially in recent years where pyrethroids have not been providing acceptable control of bollworms. ... In most situations, if you are at a point where you feel the crop is safe from other pests such as plant bugs, the crop is going to also be safe from yield losses from bollworms, especially in the dual-gene Bt cottons.
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