Ecophysiological Analysis of Cultivated Rice and Australian Wild Oryza: Photosynthesis And Water-Use, Growth And Biomass Allocation Patterns Under Current And Projected [CO2]

Ecophysiological Analysis of Cultivated Rice and Australian Wild Oryza: Photosynthesis And Water-Use, Growth And Biomass Allocation Patterns Under Current And Projected [CO2]

von Juliet Suich
Taschenbuch - 9783659515118
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Beschreibung

Australian wild rices are adapted to a wide range of environmental and climatic conditions. As a result they have traits that can confer fitness benefits under adverse environmental conditions. These are likely to provide an important genetic resource to rice breeders as the human population increases and demand for rice accelerates. This study examined the evolutionary divergence in photosynthetic capacity and water-use characteristics, growth, biomass allocation traits and yield by comparing three Oryza meridionalis ecotypes from a broad latitudinal range across northern Australia, and one accession of O. australiensis, with an Australian cultivated rice - Oryza sativa spp. japonica cv. Amaroo. The study found that the hydrological regime exerts a strong selection pressure on the wild Oryza populations of Australia giving rise to differences in plant characteristics. The present study identifies ruderal characteristics in O. meridionalis (Keep River NT), some of which have been used in domestication of crops. Also previously found in a range of wild cereal progenitors, in this analysis, some of these traits were also identified in cultivated O. sativa cv. Amaroo .

Details

Verlag LAP Lambert Academic Publishing
Ersterscheinung Februar 2014
Maße 220 mm x 150 mm x 22 mm
Gewicht 552 Gramm
Format Taschenbuch
ISBN-13 9783659515118
Auflage Nicht bekannt
Seiten 360

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