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Type: Conference paper
Title: Breeding wheat lines for southern Australia according to three climatic mega-environments
Author: Bell, C.
Eagles, H.
Citation: Solutions for a better environment : Proceedings 11th Australian agronomy Conference / Murray Unkovich, Garry O’Leary (eds.): pp.www1-www3
Publisher: Australian Society of Agronomy
Issue Date: 2003
ISBN: 0975031309
Conference Name: Australian Agronomy Conference (11th : 2003 : Geelong, Vic.)
Abstract: One hundred and sixty-one wheat variety evaluation trials from southern Australian for the years 1994, 1995 and 1996 were analysed. Using this and long-term climate data, we show that, on the basis of differences in genotype by environment interaction, the South Australian and Victorian wheat belt may be separated into 3 mega-environments. These are: a Wimmera type environment with 200 to 300mm rainfall between sowing and anthesis and an average maximum temperature of less than 26°C between anthesis and harvest; and for the same respective crop developmental phases a Mallee type environment with less than 200mm rainfall, and an average maximum temperature of greater than 26°C; and a high rainfall environment with more than 300mm rainfall, and less than 26°C. These 3 mega-environments elicit different response patterns of genotypic performance.
Keywords: Genotype x environment interaction
RMID: 0020073509
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Appears in Collections:Agriculture, Food and Wine publications

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