Recurrent selection as breeding strategy for heat tolerance in wheat

The development of heat-tolerant varieties is an important goal of wheat breeding programs, requiringefficient selection methods. In the present study the use of recurrent selection was evaluated as a strategy to improve heatstress tolerance in wheat. Two cycles of recurrent selection were performed...

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Bibliographic Details
Published in:Crop breeding and applied biotechnology 2010-01, Vol.10 (1), p.9-15
Main Authors: Machado, J.C., Souza, M.A., Oliveira, D.M., Cargnin, A., Pimentel, A.J.B., Assis, J.C.
Format: Article
Language:English
Subjects:
Heat tolerance
Plant breeding
selection gains
temperature
Triticum aestivum L
Wheat
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Summary:The development of heat-tolerant varieties is an important goal of wheat breeding programs, requiringefficient selection methods. In the present study the use of recurrent selection was evaluated as a strategy to improve heatstress tolerance in wheat. Two cycles of recurrent selection were performed in experiments conducted in research areas of theUniversidade Federal de Viçosa, located in Coimbra-MG and Viçosa-MG, in 2004 and 2007, in two growing seasons (summerand winter). The genetic gain and the existence of variability show the possibility of successful recurrent selection for heattolerancein wheat.
ISSN:1984-7033
1518-7853
1984-7033
DOI:10.12702/1984-7033.v10n01a02