Effect of Peat Moss and Sand on Rooting Response of Cuttings

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Abstract
Cuttings of 96 varieties of plants were classified according to their rooting response in sand and in peat moss. Since cuttings of over 90% of the varieties rooted readily in a mixture of sand and peat moss (p H 4.1-4.5), by volume, this mixture is superior to sand as a general medium in which to root most kinds of cuttings. The pH of the medium was the single limiting factor in only a few cases (e.g., Azalea); cuttings of most plants rooted readily over an acid range of pH 4.5-7.0. The physical and chemical properties of peat moss are discussed, and methods are given for preparing samples and for making P H determinations with the quinhydrone apparatus.

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