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We reported here an efficient, widely applicable droplet-vitrification cryopreservation for shoot tips of Chrysanthemum morifolium. Nodal segments, each being 0.5cm in length and containing one bud positioned on nodes 3–7, were taken from 6 weeks old stock shoots and cultured on a shoot maintenance medium (SMM) for 12 days to promote bud elongation. Shoot tips (2.0mm in size) containing 5–6 leaf primordia...
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