HR job title
- Professor
- Contact Info
- 1 979 456 3041
Hays, Dirk Professor
Positions
My research focuses on nutritional, food product, and a/biotic stress plant breeding in wheat, sorghum, cowpea, cassava and high biomass energy crop using high throughput remote sensing, biochemical, physiological, and genetic based methods.
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- Works By Students
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Overview
Publications
selected publications
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academic article
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Agbona, A., Montesinos-Lopez, O. A., Everett, M. E., Ruiz-Guzman, H., & Hays, D. B.
(2023).
Yield Adjustment Using GPR-Derived Spatial Covariance Structure in Cassava Field: A Preliminary Investigation. Remote Sensing.
15(7), 1771-1771.
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Angira, B., Zhang, Y., Zhang, Y., Scheuring, C. F., Masor, L., Coleman, J., ... Malla, S.
(2022).
Genetic dissection of iron deficiency chlorosis by QTL analysis in cowpea. Euphytica.
218(4), 38.
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Angira, B., Zhang, Y., Scheuring, C. F., Zhang, Y., Masor, L., Coleman, J. R., ... Zhang, M.
(2022).
Construction of a single nucleotide polymorphism linkage map and identification of quantitative trait loci controlling heat tolerance in cowpea, Vigna unguiculata (L.) Walp. Molecular Genetics and Genomics: an international journal.
297(6), 1481-1493.
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Wang, Z., Dhakal, S., Cerit, M., Wang, S., Rauf, Y., Yu, S., ... Liu, S.
(2022).
QTL mapping of yield components and kernel traits in wheat cultivars TAM 112 and Duster. Frontiers in Plant Science.
13, 1057701.
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Camarillo-Castillo, F., Huggins, T. D., Mondal, S., Reynolds, M. P., Tilley, M., & Hays, D. B.
(2021).
High-resolution spectral information enables phenotyping of leaf epicuticular wax in wheat. Plant Methods.
17(1), 58.
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Dobreva, I. D., Ruiz-Guzman, H. A., Barrios-Perez, I., Adams, T., Teare, B. L., Payton, P., ... Hays, D. B.
(2021).
Thresholding Analysis and Feature Extraction from 3D Ground Penetrating Radar Data for Noninvasive Assessment of Peanut Yield. Remote Sensing.
13(10), 1896-1896.
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Adams, T., Bruton, R., Ruiz, H., Barrios-Perez, I., Selvaraj, M. G., & Hays, D. B.
(2021).
Prediction of Aboveground Biomass of Three Cassava (Manihot esculenta) Genotypes Using a Terrestrial Laser Scanner. Remote Sensing.
13(7), 1272-1272.
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Agbona, A., Teare, B., Ruiz-Guzman, H., Dobreva, I. D., Everett, M. E., Adams, T., ... Hays, D. B.
(2021).
Prediction of Root Biomass in Cassava Based on Ground Penetrating Radar Phenomics. Remote Sensing.
13(23), 4908-4908.
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Angira, B., Zhang, Y., Scheuring, C. F., Zhang, Y., Masor, L., Coleman, J. R., ... Zhang, M.
(2020).
Quantitative trait loci influencing days to flowering and plant height in cowpea, Vigna unguiculata (L.) Walp. Molecular Genetics and Genomics: an international journal.
295(5), 1187-1195.
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Delgado, A., Novo, A., & Hays, D. B.
(2019).
Data Acquisition Methodologies Utilizing Ground Penetrating Radar for Cassava (Manihot esculenta Crantz) Root Architecture. Geosciences (Switzerland).
9(4), 171-171.
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Yang, Y., Basnet, B. R., Ibrahim, A., Rudd, J. C., Chen, X., Bowden, R. L., ... Liu, S.
(2019).
Developing KASP Markers on a Major Stripe Rust Resistance QTL in a Popular Wheat TAM 111 Using 90K Array and Genotyping-by-Sequencing SNPs. Crop Science.
59(1), 165-175.
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Ibrahim, A., Herrington, R., Sutton, R., Simoneaux, B., Harrison, S. A., Blount, A. R., ... Fountain, M. O.
(2018).
Registration of 'TAMO 411' Oat. Journal of Plant Registrations.
12(2), 186-189.
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Huggins, T. D., Mohammed, S., Sengodon, P., Ibrahim, A., Tilley, M., & Hays, D. B.
(2018).
Changes in leaf epicuticular wax load and its effect on leaf temperature and physiological traits in wheat cultivars (Triticum aestivum L.) exposed to high temperatures during anthesis. Journal of Agronomy and Crop Science.
204(1), 49-61.
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Mohammed, S., Huggins, T. D., Beecher, F., Chick, C., Sengodon, P., Mondal, S., ... Hays, D. B.
(2018).
The Role of Leaf Epicuticular Wax in the Adaptation of Wheat (Triticum aestivum L.) to High Temperatures and Moisture Deficit Conditions. Crop Science.
58(2), 679-689.
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Delgado, A., Hays, D. B., Bruton, R. K., Ceballos, H., Novo, A., Boi, E., & Selvaraj, M. G.
(2017).
Ground penetrating radar: a case study for estimating root bulking rate in cassava (Manihot esculenta Crantz). Plant Methods.
13(1), 65.
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Awika, H. O., Hays, D. B., Mullet, J. E., Rooney, W. L., & Weers, B. D.
(2017).
QTL mapping and loci dissection for leaf epicuticular wax load and canopy temperature depression and their association with QTL for staygreen in Sorghum bicolor under stress. Euphytica.
213(9), 207.
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Attia, A., Rajan, N., Nair, S. S., DeLaune, P. B., Xue, Q., Ibrahim, A., & Hays, D. B.
(2016).
Modeling Cotton Lint Yield and Water Use Efficiency Responses to Irrigation Scheduling Using Cotton2K. Agronomy Journal.
108(4), 1614-1623.
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Jondiko, T. O., Yang, L., Hays, D. B., Ibrahim, A., Tilley, M., & Awika, J. M.
(2016).
Prediction of wheat tortilla quality using multivariate modeling of kernel, flour, and dough properties. 34, 9-15.
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Attia, A., Rajan, N., Xue, Q., Nair, S., Ibrahim, A., & Hays, D.
(2016).
Application of DSSAT-CERES-Wheat model to simulate winter wheat response to irrigation management in the Texas High Plains. 165, 50-60.
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Tuncil, Y. E., Jondiko, T., Tilley, M., Hays, D. B., & Awika, J. M.
(2016).
Combination of null alleles with 7+9 allelic pair at Glu-B1 locus on the long arm of group 1 chromosome improves wheat dough functionality for tortillas. Food Science & Technology.
65, 683-688.
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Liu, S., Assanga, S. O., Dhakal, S., Gu, X., Tan, C., Yang, Y., ... Fuentealba, M. P.
(2016).
Validation of Chromosomal Locations of 90K Array Single Nucleotide Polymorphisms in US Wheat. Crop Science.
56(1), 364-373.
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Elhassan, M., Emmambux, M. N., Hays, D. B., Peterson, G. C., & Taylor, J.
(2015).
Novel biofortified sorghum lines with combined waxy (high amylopectin) starch and high protein digestibility traits: Effects on endosperm and flour properties. Journal of Cereal Science.
65, 132-139.
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Attia, A., Rajan, N., Ritchie, G., Cui, S., Ibrahim, A., Hays, D., Xue, Q., & Wilborn, J.
(2015).
Yield, Quality, and Spectral Reflectance Responses of Cotton under Subsurface Drip Irrigation. Agronomy Journal.
107(4), 1355-1364.
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Acuna-Galindo, M. A., Mason, R. E., Subramanian, N. K., & Hays, D. B.
(2015).
Meta-Analysis of Wheat QTL Regions Associated with Adaptation to Drought and Heat Stress. Crop Science.
55(2), 477-492.
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Mondal, S., Mason, R. E., Huggins, T., & Hays, D. B.
(2015).
QTL on wheat (Triticum aestivum L.) chromosomes 1B, 3D and 5A are associated with constitutive production of leaf cuticular wax and may contribute to lower leaf temperatures under heat stress. 201(1), 123-130.
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Basnet, B. R., Ibrahim, A., Chen, X., Singh, R. P., Mason, E. R., Bowden, R. L., ... Rudd, J. C.
(2014).
Molecular Mapping of Stripe Rust Resistance in Hard Red Winter Wheat TAM 111 Adapted to the U.S. High Plains. 54(4), 1361-1373.
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Liu, S., Rudd, J. C., Bai, G., Haley, S. D., Ibrahim, A., Xue, Q., ... St Amand, P.
(2014).
Molecular Markers Linked to Important Genes in Hard Winter Wheat. Crop Science.
54(4), 1304-1321.
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Mason, R. E., Hays, D. B., Mondal, S., Ibrahim, A., & Basnet, B. R.
(2013).
QTL for yield, yield components and canopy temperature depression in wheat under late sown field conditions. Euphytica.
194(2), 243-259.
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Ali, M. B., Ibrahim, A., Malla, S., Rudd, J., & Hays, D. B.
(2013).
Family-based QTL mapping of heat stress tolerance in primitive tetraploid wheat (Triticum turgidum L.). Euphytica.
192(2), 189-203.
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Cooper, J. K., Ibrahim, A., Rudd, J., Hays, D., Malla, S., & Baker, J.
(2013).
Increasing Hard Winter Wheat Yield Potential via Synthetic Hexaploid Wheat: II. Heritability and Combining Ability of Yield and its Components. Crop Science.
53(1), 67-73.
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Beecher, F. W., Mason, E., Mondal, S., Awika, J., Hays, D., & Ibrahim, A.
(2012).
Identification of quantitative trait loci (QTLs) associated with maintenance of wheat (Triticum aestivum Desf.) quality characteristics under heat stress conditions. 188(3), 361-368.
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Jampala, B., Rooney, W. L., Peterson, G. C., Bean, S., & Hays, D. B.
(2012).
Estimating the relative effects of the endosperm traits of waxy and high protein digestibility on yield in grain sorghum. Field Crops Research.
139, 57-62.
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Cooper, J. K., Ibrahim, A., Rudd, J., Malla, S., Hays, D. B., & Baker, J.
(2012).
Increasing Hard Winter Wheat Yield Potential via Synthetic Wheat: I. Path-Coefficient Analysis of Yield and Its Components. Crop Science.
52(5), 2014-2022.
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Meeks, M., Murray, S. C., Hague, S., Hays, D., & Ibrahim, A.
(2012).
Genetic Variation for Maize Epicuticular Wax Response to Drought Stress at Flowering. Journal of Agronomy and Crop Science.
198(3), 161-172.
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Jondiko, T. O., Alviola, N. J., Hays, D. B., Ibrahim, A., Tilley, M., & Awika, J. M.
(2012).
Effect of High-Molecular-Weight Glutenin Subunit Allelic Composition on Wheat Flour Tortilla Quality. 89(3), 155-161.
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Hernandez, J. R., Capareda, S. C., Portillo, O., Hays, D. B., & Rooney, W. L.
(2011).
Simultaneous Saccharification and Fermentation (SSF) of High Digestible Grain Sorghum for Ethanol Production. 4(1), 3-15.
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Mason, R. E., Mondal, S., Beecher, F. W., & Hays, D. B.
(2011).
Genetic loci linking improved heat tolerance in wheat (Triticum aestivum L.) to lower leaf and spike temperatures under controlled conditions. 180(2), 181-194.
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Mugode, L., Portillo, O. R., Hays, D. B., Rooney, L. W., & Taylor, J.
(2011).
Influence of High Protein Digestibility Sorghums on Free Amino Nitrogen (FAN) Production during Malting and Mashing. Journal of the Institute of Brewing.
117(3), 422-426.
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Wu, X., Jampala, B., Robbins, A., Hays, D., Yan, S., Xu, F., ... Wang, D.
(2010).
Ethanol fermentation performance of grain sorghums (Sorghum bicolor) with modified endosperm matrices. Journal of Agricultural and Food Chemistry.
58(17), 9556-9562.
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Esten Mason, R., Mondal, S., Beecher, F. W., Pacheco, A., Jampala, B., Ibrahim, A., & Hays, D. B.
(2010).
QTL associated with heat susceptibility index in wheat (Triticum aestivum L.) under short-term reproductive stage heat stress. Euphytica.
174(3), 423-436.
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Kebrom, T. H., Brutnell, T. P., Hays, D. B., & Finlayson, S. A.
(2010).
Vegetative axillary bud dormancy induced by shade and defoliation signals in the grasses. Plant Signaling and Behavior.
5(3), 317-319.
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Ali, M. B., Ibrahim, A., Hays, D. B., Ristic, Z., & Fu, J.
(2010).
Wild Tetraploid Wheat (Triticum turgidum L.) Response to Heat Stress. Journal of Crop Improvement.
24(3), 228-243.
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Winn, J. A., Mason, R. E., Robbins, A. L., Rooney, W. L., & Hays, D. B.
(2009).
QTL mapping of a high protein digestibility trait in Sorghum bicolor. International Journal of Plant Genomics.
2009, 471853-6.
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Mondal, S., Hays, D. B., Alviola, N. J., Mason, R. E., Tilley, M., Waniska, R. D., Bean, S. R., & Glover, K. D.
(2009).
Functionality of gliadin proteins in wheat flour tortillas. Journal of Agricultural and Food Chemistry.
57(4), 1600-1605.
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Mondal, S., Tilley, M., Alviola, J. N., Waniska, R. D., Bean, S. R., Glover, K. D., & Hays, D. B.
(2008).
Use of near-isogenic wheat lines to determine the glutenin composition and functionality requirements for flour tortillas. Journal of Agricultural and Food Chemistry.
56(1), 179-184.
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Finlayson, S. A., Hays, D. B., & Morgan, P. W.
(2007).
phyB-1 sorghum maintains responsiveness to simulated shade, irradiance and red light: far-red light. Plant, Cell and Environment.
30(8), 952-962.
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Hays, D. B., Mandel, R. M., Zhang, R., & Pharis, R. P.
(2007).
Changes in levels of gibberellins, their putative conjugates, and ABA in zygotic embryos during late maturation and dry seed stages of Brassica napus cv Topaz. 52(2), 181-186.
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Hays, D. B., Do, J. H., Mason, R. E., Morgan, G., & Finlayson, S. A.
(2007).
Heat stress induced ethylene production in developing wheat grains induces kernel abortion and increased maturation in a susceptible cultivar. Plant Science.
172(6), 1113-1123.
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Hays, D. B., Yeung, E. C., & Pharis, R. P.
(2002).
The role of gibberellins in embryo axis development. Journal of Experimental Botany.
53(375), 1747-1751.
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Hays, D., Mandel, R., & Pharis, R.
(2001).
Hormones in zygotic and microspore embryos of Brassica napus. Plant Growth Regulation: an international journal on plant growth and development.
35(1), 47-58.
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Hays, D. B., & Skinner, D. Z.
(2001).
Development of an expressed sequence tag (EST) library for Medicago sativa. Plant Science.
161(3), 517-526.
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Hays, D. B., Reid, D. M., Yeung, E. C., & Pharis, R. P.
(2000).
Role of ethylene in cotyledon development of microspore-derived embryos of Brassica napus. Journal of Experimental Botany.
51(352), 1851-1859.
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Hays, D. B., Wilen, R. W., Sheng, C., Moloney, M. M., & Pharis, R. P.
(1999).
Embryo-specific gene expression in microspore-derived embryos of brassica napus. An interaction between abscisic acid and jasmonic acid1,2. PLANT PHYSIOLOGY.
119(3), 1065-1072.
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Hays, D. B., Rose, P., Abrams, S. R., & Moloney, M. M.
(1996).
Biological activity of optically pure C-1 altered abscisic acid analogs in Brassica napus microspore embryos. Journal of Plant Growth Regulation.
15(1), 5-11.
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Wilen, R. W., Hays, D. B., Mandel, R. M., Abrams, S. R., & Moloney, M. M.
(1993).
Competitive Inhibition of Abscisic Acid-Regulated Gene Expression by Stereoisomeric Acetylenic Analogs of Abscisic Acid. PLANT PHYSIOLOGY.
101(2), 469-476.
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Agbona, A., Montesinos-Lopez, O. A., Everett, M. E., Ruiz-Guzman, H., & Hays, D. B.
(2023).
Yield Adjustment Using GPR-Derived Spatial Covariance Structure in Cassava Field: A Preliminary Investigation. Remote Sensing.
15(7), 1771-1771.
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chapter
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Reynolds, M. P., Hays, D., & Chapman, S.
(2010).
Breeding for adaptation to heat and drought stress. Climate Change and Crop Production.
(pp. 71-91).
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Reynolds, M. P., Hays, D., & Chapman, S.
(2010).
Breeding for adaptation to heat and drought stress. Climate Change and Crop Production.
(pp. 71-91).
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conference paper
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Wu, X., Jampala, B., Robbins, A., Hays, D., Yan, S., Xu, F., ... Wang, D.
(2010).
Ethanol fermentation performance of grain sorghums with modified endosperm matrices. 5688-5705.
-
Hernandez, J. R., Capareda, S. C., Hays, D. B., Portillo, O. R., & Rooney, W. L.
(2008).
Effect of grain sorghum protein digestibility on starch gelatinization and enzymatic conversion to glucose. 4871-4879.
-
Wu, X., Jampala, B., Robbins, A., Hays, D., Yan, S., Xu, F., ... Wang, D.
(2010).
Ethanol fermentation performance of grain sorghums with modified endosperm matrices. 5688-5705.
Research
principal investigator on
- Breeding market demanded crops adapted to Texas awarded by National Institute of Food and Agriculture - (Washington D.C., District of Columbia, United States) 2018 - 2023
- Relationship Between Wheat Plant Physiology and Grain Quality Under Heat Stress awarded by Agricultural Research Service - (Washington D.C., District of Columbia, United States) 2017 - 2022
- BREAD PHENO: High Throughput Phenotyping Early Stage Root Bulking in Cassava using Ground Penetrating Radar awarded by National Science Foundation - (Arlington, Virginia, United States) 2016 - 2020
- Developing GPR For Enhanced Root and Soil Organic Carbon Imaging awarded by United States Department of Energy - (Washington D.C., District of Columbia, United States) 2016 - 2019
co-principal investigator on
Teaching
teaching activities
- ITDE691 Research Instructor
- MEPS601 Physiology Of Plants Instructor
- MEPS681 Sem: Grad Orientation Instructor
- MEPS685 Directed Studies Instructor
- MEPS689 Sptp: Grant & Proposal Writing Instructor
- MEPS691 Research Instructor
- SCSC402 Crop Stress Management Instructor
- SCSC491 Hnr-research Instructor
- SCSC684 Professional Internship Instructor
- SCSC689 Sptp: Grant & Proposal Writing Instructor
- SCSC691 Research Instructor
Works By Students
chaired theses and dissertations
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Alsolami, Wail (2014-06). Influence of Sodium Oxamate on Oil Content in Canola Leaves.
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Angira, Brijesh (2016-12). Genetic and Physiological Studies of Heat Tolerance in Cowpea.
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Awika, Henry (2012-07). Determining Genetic Overlap between Staygreen, Leaf Wax and Canopy Temperature Depression in Sorghum RILs.
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Awika, Henry Ochieng (2016-09). Determining How the Physiological and Genomic Interaction between Wax and Staygreen Affects Yield and Water Use in Sorghum Bicolor under Drought and Heat Stress.
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Beecher, Francis Ward (2010-10). Identification of Quantitative Trait Loci (QTLs) Associated with Maintenance of Bread Making Quality under Heat Stress in Wheat (Triticum aestivum).
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Beecher, Francis Ward (2013-05). Analysis of the Compositional Variation in the Epicuticular Wax Layer of Wheat (Triticum aestivum).
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Delgado, Alfredo (2013-12). Southern Great Plains Expansion of Glyphosate Resistant Brassica Napus L.: Management and Mapping.
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Do, Jung Hwa (2007-12). Quantitative trait loci(qtl) analysis of yield components and heat tolerance in wheat (Triticum aestivum).
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Elsayed, Ahmed Abdelfattah (2016-04). Linking QTLs that Regulate the Distinct Epicuticular Layers in the Spike Glume, and Its Variable Composition to Improve Reproductive Stage Heat Tolerance in Wheat.
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Huggins, Trevis D (2014-04). Understanding the Genetic Interactions that Regulate Heat and Drought Tolerance in Relation to Wax Deposition and Yield Stability in Wheat (Tricticum Aestivum L.).
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Jampala, Babitha (2012-07). Designer Sorghum Combining the High Digestibility and Waxy Grain Traits of Sorghum for Improved Nutrition Bioethanol Beer Feed and Food Products.
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Mason, Richard Esten (2011-08). Phenotypic and Molecular Genetic Analysis of Reproductive Stage Heat Tolerance in Wheat (Triticum aestivum).
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Masor, Laura Lee (2016-08). Molecular Mapping of Traits in Cowpea.
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Mohammed, Suheb (2014-05). The Role of Leaf Epicuticular Wax an Improved Adaptation to Moisture Deficit Environments in Wheat.
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Mondal, Suchismita (2006-08). Use of near-isogenic wheat lines to determine glutenin and gliadin composition and funtionality in flour tortillas.
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Mondal, Suchismita (2012-07). Defining the Molecular and Physiological Role of Leaf Cuticular Waxes in Reproductive Stage Heat Tolerane in Wheat.
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Portillo, Ostilio Rolando (2007-12). A mycological assessment of highly digestible protein sorghum lines..
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Poudel, Ashima (2012-07). Genetic Analysis of Bread Making Quality Stability in Wheat using a Halberd X Len Recombinant Inbred Line Population.
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Rothe, Julie C (2010-08). The Identification and Quantification of Leaf Mesophyll Oil Bodies During the Development of Native or Adapted Plant Species.
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Rothe, Julie C (2014-04). Breeding for Tolerance of Cowpea to Low Phosphorus Soil Conditions through Physiological and Genetic Studies.
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Sengodon, Padmavathi (2015-08). Influence of Epicuticular Wax on Heat and Drought Tolerance in TAM 112 X TAM 111 Populations.
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Thompson, Sean M (2014-08). Evaluation of Terrestrial Laser Scanning and Ground Penetrating Radar for Field-Based High-Throughput Phenotyping in Wheat Breeding.
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Verbree, David 1977- (2012-02). Physiology and Genetics of Drought Tolerance in Cowpea and Winter Wheat.
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Winn, Jennifer Ann (2009-05). QTL mapping of high digestibility trait in sorghum bicolor (L.) Moench.
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Zahra, Sabahat (2017-07). Characterization of a Wheat Mapping Population for Growth Pattern and Studying Staygreen Wheat Canopy Using Multispectral UAV Images.
Background
education and training
- Ph.D. in Plant Physiology, University of Calgary - (Calgary, Alberta, Canada) 1997
awards and honors
Contact
first name
- Dirk
has last name
- Hays
mailing address
-
Texas A&M University
Soil & Crop Science
2474 TAMU
College Station, TX 77843-2474
USA
Other
- dbhays@tamu.edu