BioMed Research International / 2009 / Article / Fig 2

Research Article

Induction of Tetraploids from Petiole Explants through Colchicine Treatments in Echinacea purpurea L.

Figure 2

Chromosomes in root tip cells of (a), Diploid ( ) and (b), Tetraploid ( ) plantlets. Bar = 40  m.

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