Research Article

An Uncommon Plant Growth Regulator, Diethyl Aminoethyl Hexanoate, Is Highly Effective in Tissue Cultures of the Important Medicinal Plant Purple Coneflower (Echinacea purpurea L.)

Figure 1

Effects of DA-6 on the regeneration of buds from different explants with different ploidy levels. (a)–(d) Diploid, triploid, tetraploid, and hexaploid, respectively.
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(a)
540316.fig.001b
(b)
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(c)
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(d)