Research Overview

Wheat is the world’s largest crop by area (218 million hectares - 2018) and is a major crop in the U.S. While wheat yields increased substantially into the 1980s, yield gains have slowed over the past three decades. The current annual rate of yield increase in wheat is about 0.9% globally. This rate is insufficient to achieve the doubling of wheat yields needed by 2050, to feed a burgeoning world population. Soft red winter wheat is planted on approximately six million acres of the eastern United States and produces nearly 320 million bushels of grain for domestic consumption and international export.

Research in my laboratory uses classical breeding and genome-wide marker technology to genetically dissect and deploy critical agronomic traits. The advent of high-density markers and advanced statistical methods has paved the way to identify genetic loci that control agronomic traits by using genome-wide association studies (GWAS) and capture the effect of minor genes that are hard to be deployed by marker-assisted selection (MAS), via genomic selection (GS). Our genome-wide projects at Purdue University involved historical, local, and regional elite soft red winter (SRW) wheat populations, each comprising hundreds of individuals. In collaboration with the USDA-ARS, we genotyped these populations using the genotyping-by-sequencing (GBS) method. These resources allowed us to explore the genetics of traits underlying grain yield components such as the tiller number, grain number per spike, grain number per unit area, and kernel weight, and plant height.

Breeding strategies are specific to the target regions where plants are to be grown. Fusarium head blight disease is prevalent in the eastern region of the US and negatively affects grain yield and end-use quality. The US Wheat and Barley Scab Initiative financially support our breeding research.

 

Open positions

Our lab is involved in wheat trait improvement. In this environment, those graduate students and postdocs who excel are hard-working, self-driven, result-oriented, and willing to engage in training. To be a good fit in the lab, you need to share our deep passion and fascination for wheat improvement by the available breeding, genomics, and biotechnology tools.

 

Currently …

  • We are looking for members who are highly motivated and are interested in plant tissue culture and transgenic research
  • We are looking for members with experience and passion for root research and genetic analysis
  • We are looking for members with interests in wheat breeding for resistance to Fusarium head blight disease

 

To apply for open positions, please send the following:

  • Recent CV (brief list of past research and skills)
  • Statement of your research interests explaining why you would be a good fit in our research team
  • List of referees who can write a recommendation letter for you

Send the above material via email to mohamm20 at purdue dot edu

 

 

 

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