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D3757-1headline bar  An ARS scientist observes a citrus seedling inside a test tube**Image Number D3757-1** ARS plant physiologist Gayle Volk observes a citrus plant that originated from a cryopreserved shoot tip. After a few months it can be transferred to the greenhouse and will continue to grow into a tree.  Photo by Peggy Greb.  640 pixels wide: (D3757-1.jpg)   Please visit our Image Gallery.


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