Publication Date

1989

Description

Subterranean clover (Trifolium subterraneum L.), Australia's most important pasture legume, is a winter-growing annual which is naturally distributed around the Mediterranean region and parts of western Europe. Three subspecies (or species in some taxonomic treatments) are recognized in subterranean clover and these are represented in the Australian National col­lection as follows : ssp. subterraneum - 4,800 genotypes, ssp. brachycalycinum 1,500 genotypes, ssp. yanninicum - 170 genotypes. The yanninicum subspecies, despite the smallness of the col­lection is of special interest both ecologically and for agriculture. The ability to grow in wet situations, together with good persistence under grazing makes genotypes of this subspecies of considerable value for high winter rainfall areas, particularly where incipient waterlogging is common.

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Distribution and Ecology of Trifolium subterraneum SSP. Yanninicum and Progress with Improvement

Subterranean clover (Trifolium subterraneum L.), Australia's most important pasture legume, is a winter-growing annual which is naturally distributed around the Mediterranean region and parts of western Europe. Three subspecies (or species in some taxonomic treatments) are recognized in subterranean clover and these are represented in the Australian National col­lection as follows : ssp. subterraneum - 4,800 genotypes, ssp. brachycalycinum 1,500 genotypes, ssp. yanninicum - 170 genotypes. The yanninicum subspecies, despite the smallness of the col­lection is of special interest both ecologically and for agriculture. The ability to grow in wet situations, together with good persistence under grazing makes genotypes of this subspecies of considerable value for high winter rainfall areas, particularly where incipient waterlogging is common.