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Ground Penetrating Radar: Uncovering the ‘Hidden Half’

October 19, 2017
3:00 pm - 4:00 pm

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Alfredo Delgado
Deparment of Soil and Crop Sciences, Texas A&M University

Graduate Student


GPR is an existing and rapidly evolving technology that can be used as a high throughput, non-­destructive-­3­‐dimensional imaging method – for quantifying root mass. With the ability to detect subtle differences in the soil media, GPR has often been utilized as a small cross-­section near-­surface object detection tool. GPR technology has been utilized to nondestructively image coarse root biomass and architecture in various tree and shrub species. In adapting this technology for temporal non-­destructive sampling, the tool can be utilized as a proxy for root mass detection and facilitate genotype characterization at different growth stages. Understanding root traits is a necessary research front for selection of favorable genotypes or cultivation practices. Root and tuber crops, having most of their economic potential stored below ground, are favorable candidates for such studies. The ability to image and quantify subsurface root structure would allow breeders to classify root traits for rapid selection and allow agronomist the ability to derive effective cultivation practices.


Alfredo is originally from Ricardo, TX, a small farming community just south of Kingsville, TX. In 2010, he received his Bachelor’s Degree in Rangeland Ecology from the Department of Ecosystem Science and Management at Texas A&M University. Alfredo began undergraduate research with Dr. Robert Washington-­‐Allen studying large herbivore and fire impacts on vegetation structure dynamics in South Africa, at the Kruger National Park, utilizing terrestrial laser scanning. In 2011, Alfredo began his Master’s program at Texas A&M University under Dr. Robert Washington-­‐Allen and Dr. Robert Duncan, through the interdisciplinary program Molecular and Environmental Plant Sciences. His study was the utilization of terrestrial laser scanning for identification and quantificatin of volunteer crops in wheat and canola rotational systems. Following the completion of his Master’s Degree in 2013, Alfredo began working with Dr. Dirk Hays in applications of Ground Penetrating Radar. He is currently pursuing his doctoral degree at Texas A&M University. His dissertation has a focus on the development of Ground Penetrating Radar for non-­destructive phenotyping of root and tuber crops.


Dr. Michael Bishop: michael.bishop@tamu.edu


October 19, 2017
3:00 pm - 4:00 pm


Eller O&M Bldg. Rm 807