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Mature seeds of three green ash (Fraxinus pennsylvanica Marsh.) clones, SD1009 (South Dakota origin), SD2002 (South Dakota origin), and KA2018 (Kansas origin) were cut to remove the apical portion and germinated on Murashige and Skoog (1962) salts with B5 vitamins (Gamborg et al., 1968) (MSB5) medium without plant growth regulators. Stable axillary shoot establishment was achieved for all three clones...
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