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And problems with poisonous plants

Insects are very successful creatures. They are very adaptable and, Ha ha! Eat me - I'm a killer!because of their own variable genes, can quickly overcome poisons used by humans. Every time a new poison - pesticide - is made, within a few years, pesky insects become immune to it. The same is already happening with the new transgenic plants which make their own insect poisons. Unfortunately, these same poisons are very important in organic farming (farming without chemicals and artificial poisons in a nature-friendly way) as a weapon of last resort. Organic farmers use it only occasionally and it's very effective because the pests have no chance to get used to it. The transgenic crops will be making this poison all the time in every part of the plant - roots, stems and leaves. What will the effect be on people or animals which eat them? Very early experiments suggest that some may be harmful. They are certainly harmful to the insects (predators) which eat other insects (prey) which have started to feed on the plants.

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