Biserrula pelecinus L. – genetic diversity in a promising pasture legume for the future

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Contents Vol 63(9)

doi:10.1071/CP12126

Plant Sciences, Sustainable Farming Systems & Food Quality

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Protocols in ecological and environmental plant physiology

Biserrula pelecinus L. – genetic diversity in a promising pasture legume for the future

K. Ghamkhar ^A ^C ^D, C. Revell ^A ^B and W. Erskine ^A

^A Centre for Legumes in Mediterranean Agriculture, The University of Western Australia, 35 Stirling Highway, Crawley, WA 6009, Australia.
^B Department of Agriculture and Food Western Australia, 3 Baron-Hay Court, South Perth, WA 6151, Australia.
^C Department of Primary Industries, AgriBio, 5 Ring Road, La Trobe University, Bundoora, Vic. 3083, Australia.
^D Corresponding author. Email: kioumars.ghamkhar@dpi.vic.gov.au

Crop and Pasture Science 63(9) 833-839 http://dx.doi.org/10.1071/CP12126
Submitted: 26 April 2012 Accepted: 7 August 2012 Published: 10 December 2012





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Abstract

Biserrula pelecinus L. is a Mediterranean annual pasture legume and performs best on well drained sandy loams and medium loams with a pH 4.5–7. It is not suited to areas prone to waterlogging but persists well, even with hard summer grazing and in rotational systems. It is deep-rooted and remains green long after traditional pastures have dried off. Diversity analysis of germplasm collection of 279 accessions using 18 agro-morphological traits, 22 eco-geographical specifications of the collection sites, and amplified fragment length polymorphisms markers was conducted to develop a core collection of ~10% of the original collection. This core collection of 30 accessions from seven countries well represented the diversity of the whole collection. This core will be exploited for variation in photosensitivity effect in sheep together with other economically important traits challenging the livestock industry.

Additional keywords: core collection, eco-geography, fermentability, methane, MStrat, pasture legume.

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