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Politics : Foreign Affairs Discussion Group

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To: thames_sider who wrote (98895)	5/23/2003 12:10:43 PM
From: Hawkmoon	Read Replies (2) of 281500

Then, if (for example) all US soya is immune to Round-Up, what happens if an established pest gets this immunity? Round up? Glyphosate?? nccnsw.org.au Microbes are primarily responsible for the breakdown of the product. The time it takes for half of the product to break down ranges from 1 to 174 days* (Extoxnet, US EPA).* weeds.iastate.edu howstuffworks.com If you have read the HowStuffWorks article How Cells Work, you know a good bit about DNA and how it produces enzymes. In the same way that many antibiotics gum up enzyme production to kill bacteria, glyphosphate gums up enzymes in plants to kill them. Glyphosphate kills plants like antibiotics kill bacteria. If you've been following farming news or the genetically modified food debate, you know that glyphosphate-tolerant seeds are now available -- you can buy genetically modified corn, soybeans, etc. that are immune to glyphosphate. These plants produce an enzyme that performs the same function as EPSP synthase but is not inhibited by glyphosphate. Another interesting link: home.howstuffworks.com Hawk

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