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Tropical forage legumes: harnessing the potential of Desmanthus and other genera for heavy clay soils.

Book cover for Tropical forage legumes: harnessing the potential of <i xmlns="http://www.w3.org/1999/xhtml">Desmanthus</i> and other genera for heavy clay soils.

Description

This publication presents the results of the collaborative research, commencing with a report on the collection of a broad range of genetic material of fodder potential in Belize, the Yucatan and Guatemala, the initial evaluation of some of this material in Belize and a brief review of the impact of the collection on forage development over the past 30 years (Chapter 2); in fact this germplasm col...

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Chapter 11 (Page no: 283)

Developing and commercializing new pasture legumes for clay soils in the semi-arid rangelands of northern Australia: the new Desmanthus cultivars JCU 1-5 and the Progardes story.

Vast areas of semi-arid clay soil rangeland regions of northern Australia, such as the Mitchell Grass Downs Bioregion, have (until recently) no commercially available or adapted sown pasture legume. Other regions and land types with clay soils too, such as the Brigalow region, have had a very limited range of sown pasture legume species available. Low livestock productivity in northern Australia is largely due to low protein content and low digestibility of the diet during the dry season. An adapted pasture legume could ameliorate this problem and enhance the productivity and sustainability of the region's grazing sector. Of all the legume species tested to date in this region, a number of Desmanthus species are the preeminent survivors and are proving to be well adapted. After extensive surveys of old abandoned trial sites, selection and further evaluation, and seed increase, a number of Desmanthus accessions have been developed and released commercially for semi-arid tropical/subtropical clay soil regions of northern Australia. These new selections come from D. bicornutus, D. leptophyllus and D. virgatus genotypes, and the new cultivars are named JCU 1, JCU 2, JCU 3, JCU 4 and JCU 5 and Plant Breeders' Rights has been granted on these five cultivars. A commercial composite blend of these five cultivars has been named ProgardesTM and commercial seed production and cultivation is well advanced, with some 20,000 ha being sown to date, mostly in Queensland.

Other chapters from this book

Chapter: 1 (Page no: 1) Providing pasture and ley legumes for use on clay soils in tropical and subtropical environments. Author(s): Burt, R. L. Lazier, J. R. Ahmad, N.
Chapter: 2 (Page no: 6) The collection and initial evaluation of a wide range of pasture legumes from Mexico, Belize and Guatemala: implications for genetic resource development for tropical countries. Author(s): Lazier, J. R. Burt, R. L.
Chapter: 3 (Page no: 48) Developing and utilizing genetic resource collections: an example from the tropical leguminous genus Stylosanthes. Author(s): Burt, R. L.
Chapter: 4 (Page no: 104) Desmanthus, a tropical and subtropical forage legume: developing germplasm resources for more subtropical and high altitude environments. Author(s): Burt, R. L. Lazier, J. R.
Chapter: 5 (Page no: 123) Numerical analysis of variation patterns in the genus Desmanthus: an exploratory study. Author(s): Burt, R. L. Lazier, J. R.
Chapter: 6 (Page no: 140) Searching for pasture legumes for heavy clay soils in the Australian dry tropics and subtropics: I. Initial literature reviews, data analysis and choice of material for test. Author(s): Burt, R. L. Lazier, J. R.
Chapter: 7 (Page no: 151) Searching for pasture legumes for heavy clay soils in the Australian dry tropics and subtropics: II. Ancillary floristic, climatic and edaphic studies. Author(s): Burt, R. L. Ahmad, N.
Chapter: 8 (Page no: 176) Searching for pasture legumes for heavy clay soils in the Australian dry tropics and subtropics: III. The initial evaluation of introduced material. Author(s): Burt, R. L.
Chapter: 9 (Page no: 204) Searching for pasture legumes for heavy clay soils in the Australian dry tropics and subtropics: IV. Evaluation in western Queensland. Author(s): Burt, R. L.
Chapter: 10 (Page no: 254) Recent development and commercial adoption of legumes for heavy clay soils in Queensland. Author(s): Cox, K. G.
Chapter: 12 (Page no: 305) The cattle industry of Belize: a brief history of research and development to the mid-1970s. Author(s): Lazier, J. R.
Chapter: 13 (Page no: 314) Botanical composition and nutritive value of selected native pastures in Belize. Author(s): Lazier, J. R.
Chapter: 14 (Page no: 332) Single plant trials of potential forage legumes for Belizean pastures on clay soils of the upper Belize River and the Lowland Pine Ridge. Author(s): Lazier, J. R.
Chapter: 15 (Page no: 345) Forage legume adaptation strip trials in Belize. Author(s): Lazier, J. R.
Chapter: 16 (Page no: 401) Initial screening for persistence and productivity of 20 promising native and exotic pasture legume species in two productive contrasting forage grasses in Belize. Author(s): Lazier, J. R.
Chapter: 17 (Page no: 416) Productivity of 16 forage legumes under cutting in Belize on contrasting soils: a high alluvial terrace and a lowland pine savanna. I. Dry matter yields. Author(s): Lazier, J. R.
Chapter: 18 (Page no: 428) Productivity of 16 forage legumes in mixed swards under cutting in Belize on contrasting soils: a high alluvial terrace and a lowland pine savanna. II. Nutrient levels and feeding value. Author(s): Lazier, J. R.
Chapter: 19 (Page no: 437) A summary of the results of the IDRC-UWI/Belize forage legume adaptation and productivity trials, 1973-1977. Author(s): Lazier, J. R.

Chapter details

  • Author Affiliation
  • Livestock Production Systems, College of Public Health, Medical & Vet Sciences, James Cook University, Townsville, Queensland, Australia.
  • Year of Publication
  • 2016
  • ISBN
  • 9781780646282
  • Record Number
  • 20163250812