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Taxonomy, distribution and ecology of Zoysia macrantha desv., an Australian native species with turf breeding potential

Loch, D.S. and Simon, B.K. and Poulter, R.E. (2005) Taxonomy, distribution and ecology of Zoysia macrantha desv., an Australian native species with turf breeding potential. International Turfgrass Society Research Journal, 10 . pp. 593-599.

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Article URL: http://archive.lib.msu.edu/tic/its/articles/2005jou593.pdf

Abstract

Only three of the 11 species in the genus Zoysia Willd. have thus far contributed to commercially available turfgrass varieties. One of the neglected taxa is Z. macrantha Desv., an Australian native species further divided into two subspecies. The coarser Z. macrantha subsp. macrantha occurs on sand dunes, headlands and tidal areas along eastern and southeastern coasts from about 23 to 38°S latitude. The shorter, denser-growing Z. macrantha subsp. walshii M.E. Nightingale is found on the southern mainland (South Australia and Victoria from longitude 137° to 148°E and at latitudes higher than 36°S), adjacent offshore islands, and northern, eastern and central Tasmania to 43°S growing on the edges of coastal, sub-coastal and even inland salt lakes, in riverine environments, and from moist grassy depressions (both coastal and inland) to rocky headlands. The latter subspecies has the more discontinuous and specialised distribution, largely determined by the need for an appropriate level of peat, clay or silt in the soil to maintain adequate moisture during the dry summers in southern Australia while at the same time avoiding anything more than temporary waterlogging. It grows on low fertility soils ranging from strongly acid to neutral or mildly alkaline, and is often very closely grazed by marsupials. Both subspecies are salt and drought tolerant, but not notably shade tolerant. Their potential to add greater drought tolerance in particular to the Asian Zoysia material in current use through future breeding programs is discussed.

Item Type:Article
Additional Information:© International Turfgrass Society. Reproduced with permission.
Keywords:Breeding potential; distribution; ecological adaptation; taxonomy; turfgrass; turf; Zoysia macrantha; Zoysia spp.
Subjects:Plant culture > Lawns and turfgrasses > Varieties
Deposited On:03 Feb 2011 07:04
Last Modified:14 Mar 2011 01:54

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