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Biotechnology | Roses are blue, violets are red | Economist.com

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Biotechnology | Roses are blue, violets are red | Economist.com
Topic: Biotechnology 5:10 am EST, Feb 21, 2007

Mere colour is for unsophisticated lovers. A truly harmonious Valentine gift should smell beautiful as well. Sadly, commercial varieties of cut rose lack fragrance. This is because there is a trade-off between the energy that plants spend on making the complex, volatile chemicals that attract women and insects alike, and that available for making and maintaining pretty-coloured petals. So, by artificially selecting big, long-lasting flowers, breeders have all but erased another desirable characteristic.

The author of this article does a great job of making the science accessible to the general reader.

Biotechnology | Roses are blue, violets are red | Economist.com



 
 
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