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Rate My Professor Oscar Riera-Lizarazu

Texas A&M University

Ratings & reviews

5.05/4/2026

A true inspiration to all who learn.

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About Oscar

Dr. Oscar Riera-Lizarazu is a Professor and the Robert E. Basye Endowed Chair in Rose Genetics in the Department of Horticultural Sciences at Texas A&M University, where he also serves as Associate Department Head for Graduate Programs and a Texas A&M AgriLife Research plant geneticist. He leads the Rose Genetics and Breeding program, focusing on polyploid genetic analysis, the genetic basis of traits in landscape roses, and the application of genomics-based methods for germplasm improvement. His research addresses critical industry challenges, including rose rosette disease, black spot, and Cercospora leaf spot, while developing disease- and pest-resistant varieties tolerant to abiotic stresses with superior ornamental quality. With over 25 years of national and international experience in plant genetics, cytogenetics, and breeding, he employs genomics, biocomputational tools, and data science to advance sustainable rose breeding and elevate program impacts through interdisciplinary collaborations with plant pathology, entomology, horticulture, economics, the green industry, USDA, and other universities.