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What is BT cotton?
BT cotton is geneticly modified to contain a natural toxin created by a bacteria whos initials are BT. the bacteria as well as its toxin have long been used in organic farming as it is only activated in a highly basic (as in not acidic) envirument which is rather rare in nature execpt for the digestive system of several butterflies one of which is a major pest in cotton crops (i think its called pink worm something but its been a while). anyway the use of such plants mean many chemical treatments will be made redundunt which is good for the consumer as well as the envirument and the farmer. it has also been proven that although there is the ability to develop resistence to the toxin (in the lab) the living cost of of this resistence prevents its build up in nature. that along with the law that stats one has to grow at least 20% of the area with non BT plants aliminates the risk of its efectivness being damaged over time as happens to so many pesticides
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BT(Bacillus thuringiensis) is a naturally occurring bacterium that is lethal to most leaf-eating caterpillars on trees, shrubs, flowers, and vegetables. Baci…llus thuringiensis variety kurstaki (B.t.k.) is the general purpose material that homeowners buy when they see just the words Bt or Bacillus thuringiensis without the variety name attached. This is the type of Bt that is appropriate for home landscape use to kill caterpillars. As you can see on the left, there are also varieties designed to kill mosquitoes or potato beetles. Bt is harmless to all other insects, animals, and humans. It comes in powder form for use as a dust or, diluted with water, for use as a foliar spray. It is also available in liquid form. It is sprayed or dusted on leaves of plants that are under attack by caterpillars so that the pests will ingest the bacteria as they eat the leaves. The Bt causes paralysis of the caterpillar's digestive tract, causing it to stop feeding within two hours. Within a day or two, certainly no longer than 72 hours, the caterpillars die.
pesticide Bt cotton, or Bacillus thuringiensis cotton, is used the same as any other cotton. The only difference is that it has a protein genetically added which is identical… to that of B. thuringiensis bacteria which is toxic to many caterpillars, especially Lepidoptera species. Therefore it is an economically important "built-in" insecticide.
One of the advantages of the BT Cotton is that it does not have the actual bacterium Bacillus thuriengensis in it which is harmless to humans. The other advantage is that …the BT Cotton successfully repels the boll weevil larvae.
BTS stands for : Base Transceiver Station. It is situated near the user end at the mobile telecommunication towers.
Bt stands for bacillus thuringiensis, a common soil bacterium toxic to lepidopteran insects. When "Bt" is placed before a plant name, such as in "Bt Brinjal" (the brinjal is k…nown in the US as eggplant), it means the plant has been genetically modified to produce a protein toxic to certain insects in the same way the bacteria does. The protein has not been shown to be harmful to humans but is controversial in other contexts.
Bt cotton is very similar to any normal cotton plant grown all these years except for the insect-resistance trait conferred by Bt genes. These genes are derived from a commonl…y found soil bacterium called Bacillus thuringiensis. The Bt genes are incorporated into cotton plants by a process called TRANSFORMATION. Once the Bt genes stably integrate into cotton plant they produce Bt proteins, which kills larvae feeding on plant parts. Thus Bt plants give protection from insect pests and thereby increase yields of cotton fibre.
bt stands for British Telecom. They provide great value broadband, telephone, line rental and TV. They have a website that you can choose different packages to suit your wants… and most areas can have 4 months free.
1) High yield and resistance to bollworms
explain common but differentiated responsibility
BT refers to British Telecommunications. It offers e-mail, news, and many other personal settings specific to the user. There is also an option to have unlimited file storage.…
BT (Brian Transeau) is an Electronic Artist.
Cotton is a soft, fluffy staple fiber that grows in a boll, or protective capsule, around the seeds of cotton plants of the genus Gossypium. The fiber is almost pure cellu…lose. Under natural conditions, the cotton bolls will tend to increase the dispersion of the seeds.
BTS is known as a popular boy band apart of South-Korea.They areknown as BangtanSeondeon.And they also call fans ARMY.ARMY is knownas a korean meaning.And they have seven memb…ers.
BTS is a Korean pop boy band.