Herbicide
tolerance: The world latest technology,
Biotechnology provides us herbicide tolerant crops. Herbicide tolerance allows
crops to tolerate the herbicides chemicals that kill plants otherwise the
lethal doses. Some herbicides kill virtually all plants and cannot be used on
crops. In this case, Herbicide tolerance crops solve this problem. The chemical
companies can expand the market for their products by offering a crops tolerant
to herbicides. Now a set of commercially available herbicide-tolerant crops are
tolerant to three herbicides based on three active ingredients: bromoxynil,
glyphosate, and glufosinate.
Insect-tolerant: The commercially available insect-tolerant plants contain a
version of the toxin, which is produced from a soil bacteria Bacillus thuringiensis (Bt) genes.
It is produced by a genetic engineering technology of biotechnology. This toxin
is highly effective for many pest organisms, like beetles and moth larva, but
not toxic to mammals and most other non target organisms
Virus tolerance: The third major application of biotechnology is to develop crops which are virus tolerance. These crops contain a gene taken from a virus. By a process virus tolerant plant produces certain viral proteins that are able to fend off infections by the viruses from which the proteins were taken. Now two virus-tolerant crops are currently approved for commercial use. They are papaya and squash. Also many of the crops are waiting for approved.
Engineered
Microorganisms Used as Pesticides:
Several engineered bacteria have an
ability to kill or repel pests has been approved for commercial use. These
products are used as pesticides in agricultural fields.
Food value: For the first
time in 2000 scientist modifies the nutrient value of rice and produced golden
rice. Now many of nutritionally modified crops are available in the world.
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