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Economic Analysis of Improving Cold Tolerance in Rice in Australia AgEcon
Singh, Rajinder Pal; Brennan, John P.; Farrell, Tim; Williams, Robert L.; Rienke, Russell; Lewin, Laurie; Mullen, John D..
The occurrence of low night temperatures during reproductive development is one of the factors most limiting rice yields in southern Australia. Yield losses due to cold temperature are the result of incomplete pollen formation and subsequent floret sterility. Researchers have found that in 75% of years, rice farmers suffer losses between 0.5 and 2.5 t/ha. Research is being undertaken to identify overseas rice varieties, that are cold tolerant under the local weather conditions and by using those genotypes as parent material, develop cold tolerance varieties of rice. A yield simulation model was used to measure reduction in losses due to cold at different minimum threshold temperatures, while the SAMBOY Rice model was used to measure the costs and returns...
Tipo: Conference Paper or Presentation Palavras-chave: Rice; Cold; Yield loss; Breeding; Crop Production/Industries.
Ano: 2003 URL: http://purl.umn.edu/57925
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