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A New Nitrogen-Fixing Non-Legume: Chamaebatia foliolosa (Rosaceae)

Rod M. Heisey, C. C. Delwiche, Ross A. Virginia, Anne F. Wrona and Barbara A. Bryan
American Journal of Botany
Vol. 67, No. 3 (Mar., 1980), pp. 429-431
Stable URL: http://www.jstor.org/stable/2442354
Page Count: 3
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A New Nitrogen-Fixing Non-Legume: Chamaebatia foliolosa (Rosaceae)
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Abstract

Specimens of Chamaebatia foliolosa Benth. with nodule structures on their roots fix atmospheric nitrogen. The nodules are similar to those of other non-legumes in gross morphology and structure, containing hyphal strands, some with club-shaped vesicles at their ends. A fixation rate of 130 nmoles N2 per g fresh weight per hr is reported by using 15N2 as a tracer. Equivalent rates of acetylene reduction were observed.

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