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Dr. Sushil Thapa and Dr. Bridget Guerrero in the Department of Agricultural Sciences have received research funding from the United Sorghum Checkoff Program to investigate the potential of mycorrhizal seed treatments to enhance grain sorghum resilience and productivity under the water-limited conditions of the Texas Panhandle.
The project aims to better understand how plant-microbe partnerships can help sorghum tolerate drought and improve performance in increasingly challenging growing environments.
"Drought and water scarcity are major challenges in this region, especially with the ongoing decline of the Ogallala Aquifer," said Dr. Thapa. "Even relatively drought tolerant crops like sorghum are increasingly affected by moderate to server water stress. Our project tests practical, science-based strategies to improve water use efficiency (WUE), plant stress tolerance and, ultimately, yields."
Dr. Guerrero emphasized the importance of the work for producers in the region.
"This trial will provide insights on how mycorrhizal fungi influence water and nutrient use, helping farmers make informed management decisions and evaluate the potential economic benefits of these practices in water-limited areas," Guerrero said.
Field trials will begin in summer 2026, when researchers will test several strains of mycorrhizal inoculants in grain sorghum. These beneficial fungi form a symbiotic relationship with plant roots and extend hyphae that function as virtual root systems, helping plants absorb water and nutrients more efficiently, enhancing stress tolerance, and potentially improving yields.
The research supports ongoing effort to develop sustainable, science-based solutions for crop production in the Texas Panhandle and other regions facing water limitations.
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