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What is meant by blue rose plz tell?

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What is meant by blue rose plz tell?

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  1. Blue roses were traditionally created by dyeing white roses, since roses lack a gene to produce delphinidin, the primary plant pigment that produces true blue flowers.

    Joint research by an Australian company Florigene, and Japanese company Suntory, a blue rose was created in 2004 using genetic engineering. The delphinidin gene was cloned from the petunia and inserted into a mauve-blend rose, the Old Garden Rose 'Cardinal de Richelieu' (a Rosa gallica). However, since the pigment cyanidin was still present, the rose was more dark burgundy than true blue.

    Blue roses traditionally signify mystery or attaining the impossible. They are believed to be able to grant the owner youth or grant wishes.

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