Carl A. Mohn

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Septoria musiva Peck is capable of establishing itself on unwounded first-ye ar stems of eastern cottonwood. Natural infections have been observed since 1969 in three forest nurse ries in Mississippi, and inoculations have confirmed that both conidia and ascospores are capable of causing stem infections . This paper offers evide n ce that the fungus(More)
White pine embryos were grown on 4 different media with 6 different benzyladenine (BA) concentrations. Maximum adventitious shoot initiation and growth were obtained on a modified Lepoivre medium with 20 μM BA. Modified Schenk and Hildebrandt, Murashige and Skoog, and Gresshoff and Doy media were also tested. Shoot elongation was achieved on half-strength(More)
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