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The Propagation of Casuarina Species from Rooted Stem Cuttings
Ralph Lundquist and John G. Torrey
Vol. 145, No. 3 (Sep., 1984), pp. 378-384
Published by: The University of Chicago Press
Stable URL: http://www.jstor.org/stable/2474733
Page Count: 7
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Juvenile, mature softwood, and mature hardwood stem cuttings from 1- to 6-yr-old trees of the Casuarinaceae were tested for their capacity to form roots. Trials included mist-bench with bottom heat, water-culture jars, and, for large numbers, an aerated hydroponic system. Casuarina equisetifolia, C. cunninghamiana, C. montana, C. suberosa, and Gymnostoma papuanum were all successfully rooted. Greatest success (60%-100%) was achieved with mature softwood stem cuttings using auxin treatment (50 mg/liter indole-3-butyric acid for a 3-h soak) followed by water culture in 1/4-strength Hoagland's solution minus nitrogen. Inoculating 4-6-wk-old rooted cuttings with nodule suspensions or pure cultures of Frankia HFPCc13 gave 80%-89% nodule formation at 3 mo.
Botanical Gazette © 1984 The University of Chicago Press