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Imprint
Genetic dissection of flowering time in wheat by high-density genome-wide association mapping
Project
Project code: DFG SPP 1530
Contract period: 01.10.2011
- 30.09.2014
Purpose of research: Basic research
Wheat (Triticum aestivum L.) is grown worldwide and is one of the most important crops for human nutrition. The timing of flowering is of major importance for plants to optimally adjust their life cycle to diverse environments. QTL mapping studies indicated that flowering time in cereals is a complex trait, which is controlled by three different pathways:
vernalization, photoperiod and earliness per se.
In wheat, high-resolution genome-wide association mapping is now possible, because of the availability of a high density molecular marker chip. The main goal of the proposed project is to investigate the regulation of flowering time in wheat using a genome-wide association mapping approach based on a novel high-density SNP array. In particular, the project aims to (1) investigate the phenotypic variation of flowering time of bread wheat in response to environmental cues in multilocation field trials, (2) study the effects of Ppd alleles on flowering time in a candidate gene approach and (3) determine the genetic architecture of flowering time in wheat in a high-density genome-wide association mapping.
Section overview
Subjects
- Plant Breeding
Collaborative Project
Flowering time control: from natural variation to crop improvement - Phase 1
