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Collaborative project: Heat stress of maize - using new breeding methods to increase the tolerance – Subproject 2
Project
Project code: 2814506810
Contract period: 01.05.2011
- 30.04.2014
Budget: 206,654 Euro
Purpose of research: Experimental development
It is expected that climate change leads in Central Europe to an increase of the frequency as well as the intensity of heat waves. The aim of this project was to lay the scientific basis for the improvement of maize's heat tolerance by breeding. In a first step, a method has been developed that allows the quantification of heat tolerance in multiple environments in a multivariate context. A genome-wide gene expression profiling resulted in the identification of 39 heat tolerance genes as well as 607 genes that are related to a general heat stress response. A total of four genome regions have been identified to contribute to variation of heat tolerance at seedling stage. Fourteen genome regions have been identified to be associated with variation of heat tolerance at adult stage. The project provided new statistical methods for analysing gene expression data from multiple environments and genotypes as well as possibilities for marker assisted improvement of heat tolerance of maize.
Section overview
Subjects
- Plant Breeding
- Climate Change
