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Proceedings of the International Plant Propagator's Society

Vol. 23

Title:
RECENT DEVELOPMENTS IN THE PROPAGATION OF RHODODENDRONS AT BOSKOOP

Author:
B.C.M. Van Elk

pp: 154-160

Abstract:
Briefly, the propagation of rhododendron cuttings in Boskoop is described A soil temperature of 20°C (68°F) proved to be the best When the pH of the cutting medium, pure blond peat, is too low this can be raised by adding 1-3 g/1 of a chalky compound With only small losses one can make cuttings at the beginning of October The best time proved to be the second half of November or the beginning of December

After quick-dip treatment of 2,500 to 30,000 ppm, rooting was poor in comparison to the rooting of cuttings treated with a powder of 8% IBA + captan (83% spray material)

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