Center For Root And Rhizosphere Biology News | Center for Root and Rhizosphere Biology

Feb 06, 2026

Helping soil microbes kill weed seeds to aid organic farmers

To better equip organic farmers to control weeds, a team of Penn State agricultural scientists received a four-year, $935,000 grant from the U.S. Department of Agriculture to study how promoting soil microbes to infect and kill weed seeds might reduce problematic weed species.

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Erika Machtinger, associate professor of entomology, and Michael Skvarla, assistant research professor of arthropod identification, will use their grant award to support expanded research on tick biodiversity and tick-borne bacteria in Belize. Credit: Contributed Photo. All Rights Reserved.

Feb 03, 2026

College of Ag Sciences awards bridge funding for global research collaborations

Penn State’s College of Agricultural Sciences has awarded bridge funding to four faculty members to support research collaborations addressing soil fertility, public health, climate resilience and agricultural trade include two from the Center for Root and Rhizosphere Biology.

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Francisco Dini-Andreote and Andrew Patterson are both faculty in Penn State’s College of Agricultural Sciences. Credit: Penn State. Creative Commons

Dec 09, 2025

Two College of Ag Sciences faculty earn spots on highly cited researchers list

Francisco Dini-Andreote and Andrew Patterson in Penn State’s College of Agricultural Sciences are among the most highly cited researchers in 2025, according to the Clarivate Analytics Web of Science Group.

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To see how microbial activity changes near and inside roots, the researchers chose crimson clover, or Trifolium incarnatum, as a test plant. It’s a legume commonly grown as a cover crop in the U.S. Northeast that forms root nodules with bacteria like the one shown here. Credit: Penn State. Creative Commons

Nov 05, 2025

Novel technique reveals insights into soil microbe alarm clock

New study yields clues about when dormant microscopic bacteria and fungi in soil ‘wake up’ and colonize roots, which influences plant growth and health.

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Oct 24, 2025

Oct. 24 kicks off 'Plants for the People and the Planet' innovation series

This free seminar series, open to the community at-large, will showcase cutting-edge research and diverse perspectives on how plants can shape a healthier, more sustainable future.

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Charlene Shupp Espenshade, executive director of the Pennsylvania Friends of Agriculture Foundation, prepares to sample microgreens cultivated at Penn State’s College of Agricultural Sciences during the college’s recent Legislative Research Tour. She is joined by graduate students Auja Bywater and Rishi Ravichandran. Credit: Sean Duke / Penn State. Creative Commons

Oct 06, 2025

College of Ag Sciences research tour explores connection between food, health

Government and industry stakeholders got a literal taste of the future of agriculture by sampling hydroponically grown greens at one of several presentations during the Penn State College of Agricultural Sciences’ annual Legislative Research Tour, held Sept. 25 at the University Park campus.

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Study first author, Marjorie Jauregui, a pilot plant research technologist at Penn State, found that radish microgreens, no matter at what temperature they were dried, retained a significant portion of nutrients. Credit: Penn State. Creative Commons

Sep 19, 2025

Hot air drying largely preserves nutritional composition of radish microgreens

Inexpensive, low-tech process preserves plant compounds that provide health benefits; offers potential insight into producing microgreens food powder supplements.

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The Huck Institute of the Life Sciences at Penn State University Park. Credit: Patrick Mansell / Penn State. Creative Commons

Sep 16, 2025

Huck Institutes of the Life Sciences names 2025-26 seed grant recipients

The Huck Institutes of the Life Sciences at Penn State has selected eight research teams that span 12 departments across six colleges to receive 2025-26 seed grant funding.

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Zinc enrichment and light intensity affect the nutritional composition of radish microgreens, shown here. The researchers found that high light intensity decreased the production of plant-defense compounds while it increased the production of antioxidants. Credit: Penn State. Creative Commons

Aug 26, 2025

Fine-tuning zinc supplementation, light exposure to boost microgreens’ nutrition

Microgreens, which are young, edible plants that only take one to three weeks to harvest, are more than garnish at trendy restaurants — they could be the answer to global hunger, according to plant scientists at Penn State.

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Although the researchers looked far back into time in conducting their study, they suggest the findings may have implications for the future. Credit: Manfred Richter from Pixabay. All Rights Reserved.

Aug 19, 2025

Corn root traits evolved with both human-driven, natural environmental changes

Study shows plants adapted to farming and irrigation with root changes that helped corn adjust to low nitrogen and deeper water, making them key to the success of its domestication.

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