Project Grant 20246701442263

Award Date 7/1/24
Completion Date 6/30/27
Dollars Obligated $649K
Federal Grant Program
10.310
Assistance Type
Project Grant
Place of Performance
Stillwater, OK 74078, USA
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This $649,348 Project Grant award from the USDA's Agriculture and Food Research Initiative (AFRI) program to Oklahoma State University (OSU) aims to investigate how sugar concentrations affect the alternate bearing phenomenon in pecan trees. The research objectives include:

  1. Determining the correlations between sugar concentration, expression of SWEET transporter genes, gibberellin levels, and floral gene expression in pecan trees undergoing alternate bearing.

  2. Examining how changes in sugar concentration impact SWEET gene expression, gibberellin levels, and floral gene expression in pecan stem cuttings.

  3. Characterizing the transcriptomic changes in pecan and Arabidopsis in response to sugar levels, and validating the roles of selected genes in the reproductive processes.

The findings from this 3-year project are intended to serve as a foundation for developing strategies to address the challenge of alternate bearing in pecan and other tree crops.

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