Transforming Agriculture, Perennially
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Research & Scientific Publications

The Land Institute’s work advances research and agricultural scientific knowledge and is conducted in an innovative yet rigorous professional context. Explore our findings and ideas via articles authored or co-authored by members of our staff and published in research and peer-reviewed journals.

If you’re looking for popular media mentions of The Land Institute, visit our Media Coverage page.

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Author: Jarrad R. Prasifka, Kelsey Peterson, Rachel E. Mallinger, David L. Van Tassel
Publication: Crop Science

Ongoing domestication of whole leaf rosinweed, Silphium integrifolium Michx., as a perennial oilseed and forage crop aims to increase yields while limiting decreases in other desirable traits (i.e., trade-offs). Two…

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Author: Wen Qian Kong, Pheonah Nabukalu, Stan Cox, Robyn Johnston, Michael J. Scanlon, Jon S. Robertson, Valorie H. Goff, Gary J. Pierce, Cornelia Lemke, Rosana Compton, Jaxk Reeves, Andrew H. Paterson
Publication: Plants, People, Planet

Although tremendously successful at feeding humanity, row crop agriculture based on annuals contributes to numerous ecosystem dis-services, ranging from soil degradation and aquatic eutrophication to greenhouse gas production. In contrast,…

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Author: Lee R.DeHaan, David L.Van Tassel
Publication: One Earth Volume 5, Issue 1, 21 January 2022, Pages 14-17

Commentary The global food system is highly dependent on grains, the production of which requires annual biomass turnover, which reduces soil health and undermines sustainability. Investments in diverse perennial grain-producing…

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Author: Schiffner, S., Jungers, J.M., Van Tassel, D., Smith, K.P. and Sheaffer, C.C.
Publication: Native Plants Journal

Abstract Silphium integrifolium Michx. (silflower [Asteraceae]) is an emerging perennial oilseed and biomass crop with potential to supply ecosystem services, but optimum seeding dates for establishment are unknown. Our objective…

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Author: Schlautman, B., Bartel, C., Diaz-Garcia, L., Fei, S., Flynn, S., Haramoto, E., Moore, K. and Raman, D.R.
Publication: Emerging Topics in Life Sciences

Integrating perennial groundcovers (PGC) — sometimes referred to as living mulches or perennial cover crops — into annual cash-crop systems could address root causes of bare-soil practices that lead to…

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Author: Jared Crain, Atena Haghighattalab, Lee DeHaan, Jesse Poland
Publication: The Plant Genome

Abstract The development of perennial grain crops is driven by the vision of simultaneous food production and enhanced ecosystem services. Typically, perennial crops like intermediate wheatgrass (IWG)[Thinopyrum intermedium (Host) Barkworth…

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Author: Kayla R Altendorf, Steven R Larson, Lee R DeHaan, Jared Crain, Jeff Neyhart, Kevin M Dorn, James A Anderson
Publication: G3 Genes|Genomes|Genetics

Abstract Intermediate wheatgrass (Thinopyrum intermedium) is an outcrossing, cool season grass species currently undergoing direct domestication as a perennial grain crop. Though many traits are selection targets, understanding the genetic…

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Author: Jared Crain, Lee DeHaan, Jesse Poland
Publication: The Plant Genome

Abstract In an era of constrained and depleted natural resources, perennial grains could provide sustainable food production along with beneficial ecosystem services like reduced erosion and increased atmospheric carbon capture….

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Author: Priscila Pinto, Lee De Haan, Valentin Picasso
Publication: Agronomy

Abstract Kernza intermediate wheatgrass (Thinopyrum intermedium) is the first commercially developed perennial grain crop in North America, with multiple environmental and economic benefits. One of the major challenges for adoption…

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Author: Olivier Duchene, Benjamin Dumont, Douglas J. Cattani, Laura Fagnant, Brandon Schlautman, Lee R. DeHaan, Spencer Barriball, Jacob M. Jungers, Valentin D. Picasso, Christophe David, Florian Celette
Publication: Agricultural and Forest Meteorology

Abstract Intermediate wheatgrass (Thinopyrum intermedium (Host) Barkworth & D.R. Dewey) is being developed for use as a new perennial grain crop through breeding and agronomic research. However, progress has been hampered…

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Author: John H. Price, Andrew R. Raduski, Yaniv Brandvain, David L. Van Tassel, Kevin P. Smith
Publication: bioRxiv

SUMMARY Silphium integrifolium (Asteraceae) has been identified as a candidate for domestication as a perennial oilseed crop and has a sporophytic self-incompatibility system—the genetic basis of which is not well understood…

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Author: Aubrey Streit Krug, Omar Imseeh Tesdell
Publication: New Phytologist Foundation

Societal Impact Statement Plant scientists around the planet are working to develop new perennial grains and learn how to grow them in diverse agroecosystems. Perennial grain agriculture could accomplish long‐term…

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