Growing medium effects on the establishment of Muhlenbergia capillaris

James J. Muchovej, Oghenokome U. Onokpise, Mary J. Williams, Kenneth Livingstone


The establishment and survival of Muhlenbergia capillaris was determined by planting native material in four different potting media. A clump of tillers was harvested, trimmed at a height of 15 cm, and the roots trimmed at a length of 3 cm. The treatments, in four replicates, consisted of planting densities of 1, 2, 4, 8, or 16 tillers planted in each of four different potting media. The potting media were i) a mixture of 80:10:10 bark : sand : peat (v:v); ii) 80:20 peat : perlite (v:v); iii) 60% composted pine bark; and peat, perlite, vermiculite, horticultural grade charcoal, and lime (v:v); and iv) 1:1:1 peat : sand : perlite (v:v). Data collected monthly for 6 months included number of tillers surviving, and plant height. In general, higher planting densities gave greater survivability. Also, the mixtures ii and iii provided greater rates of survival. Plant height was favored by planting in mixture iii.

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Proc. Fla. State Hort. Soc.     ISSN 0886-7283