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Plant Sciences

Plant-centered research for a resilient future

Michelle from International Agricultural Development

Undergraduate Programs

Plant Sciences offers three diverse majors that prepare students for a broad range of exciting post-graduate jobs or graduate school.

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Graduate Programs

Plant Sciences manages two graduate programs and is involved with eight campus graduate groups leading to Ph.D. and master's degrees.

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Research and Facilities

Our faculty works to advance, evaluate and communicate knowledge of plant sciences from lab to field, rangeland, forests, waterways and beyond.

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Outreach Programs

We partner with growers, ranchers, consumers and communities to understand regional and global needs and provide research-based solutions.

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Latest News

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Kliebenstein collaboration fuels possible cure for citrus blight

  • by Trina Kleist
  • July 21, 2025
  • Pest management
  • Genetics
International connections including Dan Kliebenstein's lab at the UC Davis Department of Plant Sciences have led to more than a decade of ongoing collaboration. One result: A breakthrough in understanding how orange trees could fend off -- and perhaps even cure -- the insect-borne bacterium that causes citrus greening and threatens to wipe out the industry.
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Graduate students win Big Bang! entrepreneur competition

  • by Grace Fruto and Angela Lindley
  • July 17, 2025
  • Awards and rankings
  • Students and education
Graduate students Ali Said Yusuf, Will Hazzard and Zhenglin Zhang won $12,500 for their project developing a culturally relevant, high-fiber food as part of the 25th annual UC Davis Big Bang! Business Competition. The competition helps scientists learn how to apply their research to real-world needs.
Out in a field under a blue sky, a man bends down and touches the leaves of a young corn plant

Hosseini, Fatino offer parasite management strategies

  • by Trina Kleist
  • July 11, 2025
  • Weeds
  • Outreach
Scientists Pershang Hosseini and Matt Fatino discuss their research for controlling the parasitic plant Orobanche, commonly called broomrape. Strategies include drawing down the bank of seeds in the soil, adding herbicide to irrigation water and timing transplants going into infested fields.

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UC Davis, Department of Plant Sciences: General Inquiries - 530-752-0516

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