Gene revolution - The way ahead

The most important success for genetic modification (GM) crop technology in India is Bt cotton. The bacterium Bacillus thuringiensis (Bt) affects most common insect pests that attack cotton (and some vegetables, notably brinjal, 98 per cent of which is pest-affected) but is harmless for most other living organisms. Cotton all over the world is extremely susceptible to pests. Farmers have traditionally used chemical pesticides to kill pests. The trouble is, most pests become immune to these chemicals soon and ever more deadly pesticides costing more and more are required in increasing quantities.

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