Evolution of the devernalization flowering response in temperate Pooideae grasses
Shafer, Hannah
Shafer, Hannah
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Abstract
Pooideae is a subfamily of temperate grasses that includes many important agricultural species, including wheat, barley, and rye. Understanding how Pooideae grasses have previously adapted to mitigate stressful climates will help predict their response to future climate change. One important trait for this consideration is flowering time. For many temperate species, flowering may occur more rapidly after an extended period of cold (vernalization). This response induces a “memory” of winter that allows the plants to flower only after the threat of freezing temperatures has passed. However, this memory may be lost through devernalization, i.e. high temperatures interrupting vernalization. Here, we tested a variety of Pooideae species to determine which exhibit a devernalization response. We further report on genes that are differently regulated between vernalized and devernalized individuals.
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Date
2023-01-01
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Graduate
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Poster Presentation
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Plant Biology
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College of Agriculture and Life Sciences
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Life Sciences