| Increasing productivity by matching farming system management and genotype in water-limited environments. | |
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MedLine Citation:
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PMID: 20709725 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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Improvements in water productivity and yield arise from interactions between varieties (G) and their management (M). Most G×M interactions considered by breeders and physiologists focus on in-crop management (e.g. sowing time, plant density, N management). However, opportunities exist to capture more water and use it more effectively that involve judicious management of prior crops and fallows (e.g. crop sequence, weed control, residue management). The dry-land wheat production system of southern Australia, augmented by simulation studies, is used to demonstrate the relative impacts and interactions of a range of pre-crop and in-crop management decisions on water productivity. A specific case study reveals how a novel genetic trait, long coleoptiles that enable deeper sowing, can interact with different management options to increase the water-limited yield of wheat from 1.6 t ha(-1) to 4.5 t ha(-1), reflecting the experience of leading growers. Understanding such interactions will be necessary to capture benefits from new varieties within the farming systems of the future. |
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Authors:
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J A Kirkegaard; J R Hunt |
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Publication Detail:
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Type: Journal Article; Research Support, Non-U.S. Gov't; Review Date: 2010-08-13 |
Journal Detail:
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Title: Journal of experimental botany Volume: 61 ISSN: 1460-2431 ISO Abbreviation: J. Exp. Bot. Publication Date: 2010 Oct |
Date Detail:
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Created Date: 2010-10-18 Completed Date: 2011-01-27 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9882906 Medline TA: J Exp Bot Country: England |
Other Details:
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Languages: eng Pagination: 4129-43 Citation Subset: IM |
Affiliation:
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CSIRO Sustainable Agriculture National Research Flagship, GPO Box 1600, Canberra, ACT 2601, Australia. john.kirkegaard@csiro.au |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Agriculture
/
methods*,
organization & administration* Crops, Agricultural / genetics*, growth & development* Efficiency, Organizational* Environment* Genotype Triticum / genetics, growth & development Water* / analysis |
| Chemical | |
Reg. No./Substance:
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7732-18-5/Water |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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