Jack C Comstock
Sugarcane Production Research
Research Plant Pathologist
Phone: (561) 924-5227 ext. 25
Fax: (561) 924-6109
Room 0 12990 U.S. HWY 441 N.
CANAL POINT, FL, 33438-0000
Nayak, S.N., Pathak, B., Glynn, N.C., Glaz, B.S., Villa, A., Patel, J., Bae, A., Vaccaro, A., Ayala Silva, T., Comstock, J.C., Gilbert, R., Wang, J. 2013. World Collection of Sugarcane and Related Grasses: Utilizing a Vast Genetic Resource. Sugar Journal. 75(1):p26.
Zhao, D., Glaz, B.S., Comstock, J.C. 2013. Sugarcane Leaf Photosynthesis and Growth Characters during Development of Water-Deficit Stress. Crop Science. 53:1066-1075.
Wang, J.P., Ayala-Silva, T., Nayak, S.N., Todd, J.R., Villa, A., Glynn, N.C., Yang, X., Glaz, B.S., Comstock, J.C., Kuhn, D.N., Gutierrez, O.A., Gilbert, R. 2012. Exploring Broad Genetic Resources Available to Sugarcane. Symposium on New Paradigms in Sugarcane Research, October 15-17, 2012, Coimbatore, India. p.172. Ed. by R. Viswanathan et al.
Todd, J.R., Glynn, N.C., Ayala Silva, T., Glaz, B.S., Wang, J., Sood, S.G., Nayak, S.N., Gutierrez, O.A., Kuhn, D.N., Comstock, J.C. 2013. Phenotypic evaluation of the World Collection of Sugarcane and Related Grasses. Plant and Animal Genome Conference. P. 7.
Glynn, N.C., Laborde, C., Davidson, R., Irey, M., Glaz, B.S., Comstock, J.C., D'Hont, A. 2012. Major Brown Rust Resistance Gene (Bru1) Utilization in Sugarcane Breeding and Disease Management. Molecular Breeding. 30:3. DOI: 10.1007/s11032-012-9792-x
Zhao, D., Glaz, B.S., Comstock, J.C., Laborde, C., Hu, C. 2012. Growth and Yield Performances of Two Sugarcane Genotypes on Sand Soils. International Society of Sugar Cane Technologists Proceedings. pp 38.
Glynn, N.C., Comstock, J.C., Mccorkle, K.M. 2012. Screening for Resistance to Brown Rust of Sugarcane: Use of Bru1 resistance gene prospects and challenges. American Society of Sugar Cane Technologists. 32:82.
Zhao, D., Glynn, N.C., Glaz, B.S., Comstock, J.C., Johnson, R.M. 2012. Development of Leaf Spectral Models for Evaluating Large Numbers of Sugarcane Genotypes. Crop Science. 52:1837-1847.
Glaz, B., R.W. Davidson, S. Sood, S.J. Edmé, J.C. Comstock, R.A. Gilbert, D. Zhao, N.C. Glynn, and I.A. del Blanco. 2011. Evaluation of new Canal Point sugarcane clones. 2009-2010 harvest season. U.S. Department of Agriculture, Agricultural Research Service, ARS-172. 39 pp.
Zhao, D., Glynn, N.C., Glaz, B.S., Comstock, J.C. 2011. Relationships between sugarcane leaf hyperspectral reflectance, leaf nitrogen content, and yield components. American Society of Agronomy Abstracts. P812.
Zhao, D., Comstock, J.C., Glaz, B.S., Edme, S.J., Glynn, N.C., Del Blanco, I.A., Gilbert, R., Davidson, W., Chen, C.Y. 2012. Vigor rating and brix for first clonal selection stage of the Canal Point Cultivar Development Program. Journal of Crop Improvement. 26:60-75.
Hussnain, S.Z., Afghan, S., Haq, M.I., Comstock, J.C., Mughal, S.M., Shahazad, A., Hussain, K., Nawaz, K., Pan, Y.-B., Jackson, P., Batool, A., Irfan, A. 2011. First report of ratoon stunt of sugarcane caused by Leifsonia xyl. subsp. xyli in Pakistan. Plant Dis. 95:1581.
Zhao, D., Glynn, N.C., Glaz, B.S., Comstock, J.C., Sood, S.G. 2011. Orange Rust Effects on Leaf Photosynthesis and Related Characters of Sugarcane. Plant Dis. 96:640-647.
Glynn, N.C., Nipper, R.W., Comstock, J.C. 2011. Application of RAD LongRead sequencing for SNP discovery in sugarcane. Plant Genome Conference Proceedings. 184.
Glaz, B.S., Shine, J.M., Irey, M.S., Perdomo, R., Powell, G., Comstock, J.C. 2011. Fiber Content of Three Sugarcane Cultivars in Three Crop Cycles on Sand and Muck Soils. Agronomy J. 103:211-220.
Zhao, D., Glaz, B.S., Comstock, J.C. 2010. Sugarcane Response to Water-Deficit Stress during Early Growth on Organic and Sand Soils. Amer. J. of Agr. and Biological Science. 5(3):403-414.
Zhao, D., Glaz, B.S., Comstock, J.C. 2010. Sugarcane Genotype Response to Nitrogen on a Sand Soil in Florida. American Society of Agronomy Abstracts. 284-7.
Glynn, N.C., Gilbert, R.A., Comstock, J.C., Davis, M.J. 2010. Transmission of a Sugarcane Yellow Leaf Virus transgene to sexual progeny and screening by kanamycin inoculation. Field Crops Res. 119:308-313.
Comstock, J.C., Del Blanco, I.A., Edme, S.J., Zhao, D., Glynn, N.C., Glaz, B.S., Gilbert, R., Davidson, W. CP-Cultivar Development Program: Challenges and Responses. Sugar Journal.
Zhao, D., Glaz, B.S., Comstock, J.C. 2010. Identification of Physiological Traits for Early Detecting Water Deficit Stress in Sugarcane. American Society of Sugar Cane Technologists.
Glynn, N.C., Dixon, L.J., Castlebury, L.A., Szabo, L.J., Comstock, J.C. 2010. PCR assays for the sugarcane rust pathogens Puccinia kuehnii and P. melanocephala and detection of a SNP associated with geographic distribution in P. kuehnii. Plant Pathology. 59:703-711.
Grisham, M.P., Comstock, J.C., Flynn, J.L. 2010. Comparing the natural spread of Sugarcane yellow leaf virus in Florida to its natural spread in Louisiana [abstract]. Journal of the American Society of Sugar Cane Technologists. 30:151. Available: http://www.assct.org/
León, R.G., Gilbert, R.A., Korndorfer, P.H., Comstock, J.C. 2010. Selection criteria and performance of energycane clones (Saccharum spp. x S. spontaneum) for biomass production under tropical and sub-tropical conditions. CEIBA: A Scientific and Technical Journal. 51:11-16.
Glaz, B.S., Comstock, J.C., Davidson, W.R., Sood, S.G., Edme, S.J., Del Blanco, I.A., Glynn, N.C., Gilbert, R.A., Zhao, D. 2010. Evaluation of New Canal Point Clones: 2008-2009 Harvest Season. United States Department of Agriculture, ARS-171 36P.
Tew, T.L., Schnell Ii, R.J., Comstock, J.C., Wu, K.K., Nagai, C., Schenck, S., Arcinas, A., Ferreira, S.A. 2010. Comparison of biparental and melting pot methods, of crossing sugarcane in Hawaii. Proc. Int. Soc. Sugar Cane Technol. 27:1-9.
Comstock, J.C., Dookun-Saumtally, A., Croft, B., Hont, A.D., Garces, F., Mirkov, E., Rao, G.P., Saumtally, S., Souza, G.M., Watt, D. ADVANCES AND CHALLENGES IN SUGARCANE BIOTECHNOLOY AND PLANT PATHOLOGY: A REVIEW OF THE IX PLANT PATHOLOGY WORKSHOP AND VI MOLECULAR BIOLOGY WORKSHOP. International Society of Sugar Cane Technologists Proceedings. 27:1-9. 2010
Flores, C., Loyo, R., Ojeda, A., Rangel, C.A., Ceron, F., Marquez, W., Guerra-Moreno, A.S., Hernandez, H.M., Gonzalez, R.E., Castlebury, L.A., Dixon, L.J., Glynn, N.C., Comstock, J.C., Flynn, J., Amador, J. 2009. First Report of Orange Rust of Sugarcane Caused by Puccinia kuehnii in Mexico, El Salvador and Panama. Plant Dis. 93:1347
Zhao, D., Glaz, B.S., Comstock, J.C. 2009. Sugarcane growth and physiological responses to water deficit stress on organic and sand soils. American Society of Agronomy Abstracts. Paper 55576
Glynn, N.C., Mccorkle, K., Comstock, J.C. 2009. Diversity Among Mainland USA Sugarcane Cultivars Examined by SSR Genotyping. Amer. Soc. of Sugar Cane Technol. 29:36-52.
Hu, C., Davidson, W., Hou, H., Irey, M.S., Comstock, J.C., Glynn, N.C. 2009. Use of a Remote Controlled Plane to Identify Cold Tolerant Clones from Early Stages of a Selection Program. American Society of Sugar Cane Technologists, volume 29:86-87
Del Blanco, I.A., Glynn, N.C., Davidson, W.R., Comstock, J.C., Glaz, B.S., Edme, S.J., Irey, M. 2009. Repeatability and Genotype x Environment Interaction of Intermediate Stage Sugarcane Selection Conducted on Sand and Organic soils. American Society of Sugar Cane Technologists. volume 29:88
Comstock, J.C., Glynn, N.C., Davidson, W.R. 2009. Sugarcane Brown and Orange Rusts: Their Impact in Florida and the USDA-ARS Sugarcane field Station. American Society of Sugar Cane Technologists. Volume 29:82
Glaz, B.S., Edme, S.J., Comstock, J.C., Davidson, W.R., Glynn, N.C., Gilbert, R.A., Sood, S.G., Del Blanco, I.A. Evaluation of New Canal Point Clones: 2007-2008 Harvest Season. United States Department of Agriculture, Agricultural Research Service, ARS-170, 36 pp. 2009.
Glynn, N.C., Castlebury, L.A., Dixon, L.J., Comstock, J.C. Spread, genetic variation and methods for the detection of Puccinia kuehnii, the causal agent of sugarcane orange rust.. APS Annual Meeting. Paper
Glynn, N.C., Gilbert, R.A., Glaz, B.S., Edme, S.J., Comstock, J.C., Tai, P.Y., Miller, J.D. 2009. Early Stage Selection Repeatability: Can We Learn Anything from the Past?. Sandland Sugarcane Field Day. Paper Presentation only.
Del Blanco, I.A., Glaz, B.S., Kanaan, M.A., Sood, S.G., Comstock, J.C. 2009. Glyphosate Control of Orange and Brown Rusts in Glyphosate-Sensitive Sugarcane Cultivars. American Society of Agronomy Abstracts.
Glynn, N.C., Gilbert, R.A., Comstock, J.C. 2008. Challenges and opportunities for developing bioenergy grasses in the Canal Point breeding program. Sugarcane Engineering Workshop.
Chavarria, E., Subiros, F., Vega, J., Ralda, G., Glynn, N.C., Comstock, J.C., Castlebury, L.A. 2009. First report of Orange Rust of Sugarcane Caused by Puccinia kuehnii in Costa Rica and Nicaragua. Plant Dis. 93:425.
Glynn, N.C., Comstock, J.C. 2008. Sugarcane brown rust – determining genetic variation in the pathogen and identifying potential novel sources of resistance. American Society of Sugar Cane Technologists. Sugar Journal 2008 71:9-10
Glaz, B.S., Comstock, J.C., Edme, S.J., Gilbert, R.A., Davidson, R.W., Glynn, N.C. Evaluation of New Canal Point Sugarcane Clones: 2006-2007 Harvest Season. ARS-U.S. Department of Agriculture, Agricultural Research Service, Washington, D.C., ARS-169, 32 pp.
Del Blanco, I.A., Glynn, N.C., Davidson, W., Comstock, J.C., Glaz, B.S., Edme, S.J., Irey, M. 2008. Early Selection on Sand: Preliminary Studies on Repeatability. Sandland Sugarcane Field Day.
Glaz, B.S., Shine, J.M., Irey, M.S., Perdomo, R.E., Powell, G., Comstock, J.C., Taylor, R. 2008. Abstract: Seasonal Fiber Responses of Three Sugarcane Cultivars to Soil Type and Crop Cycle. American Society of Sugar Cane Technologists. 71:15
Grisham, M.P., Comstock, J.C., Li, R. 2008. Virus Strains Causing Mosaic in Louisiana and Florida Sugarcane. Journal of the American Society of Sugar Cane Technologists. 28:42-57.
Ovalle, W., Comstock, J.C., Glynn, N.C., Castlebury, L.A. 2008. First report of Puccinia kuehnii, causal agent of orange rust of sugarcane, in Guatemala. Plant Dis. 92:973
Comstock, J.C., Sood, S.G., Glynn, N.C., Shine, Jr., J.M., Mckemy, J.M., Castlebury, L.A. 2008. First report of Puccinia kuehnii, causal agent of orange rust of sugarcane, in the United States and Western Hemisphere. Plant Disease. 92:175.
Comstock, J.C., Milligan, S.B., 2007. Comparison of CL and CP germplasm reactions to sugarcane yellow leaf virus, Liefsonia xyli and Puccinia melancephala. American Society of Sugar Cane Technologists. 27:79-88 2007
Glaz, B.S., Davidson, R.W., Milligan, S.B., Comstock, J.C., Edme, S.J., Gilbert, R.A. Evaluation of New Canal Point Sugarcane Clones: 2005-2006 Harvest Season. U.S. Department of Agriculture, Agricultural Research Service. ARS-167. 2007.
Sood, S.G., Comstock, J.C., Glynn, N.C. 2007. Screening for Brown Rust Resistance in Sugarcane by Whorl Inoculation. American Society of Sugar Cane Technologists. 27:59
Comstock, J.C., Croft, B.J., Rao, G.G., Saumtally, S., Victoria, J.I. 2007. A review of the 2006 International Society of Sugar Cane Technologists' Pathology Workshop. Proc. Int. Soc. of Sugar Cane Technol. 26:1021-1026.
Gilbert, R.A., Miller, J.D., Comstock, J.C., Glaz, B., Edme, S.J. Performance of exogenous sugarcane germplasm on mineral soils of Florida, USA. International Society of Sugar Cane Technologists Proceedings. 26:388-393. 2007.
Glaz, B.S., Milligan, S.B., Davidson, R.W., Comstock, J.C., Edme, S.J., Gilbert, R.A., Tai, P.Y., Miller, J.D. Evaluation of new Canal Point sugarcane clones: 2004-2005 harvest season. U.S. Department of Agriculture, Agricultural Research Service, ARS-166. 2007.
Glynn, N.C., Comstock, J.C., Sood, S.G., Dang, P.M., Chaparro, J. 2006. Exploring gene analogues as markers for disease resistance: sequence isolation and characterization. American Society of Sugar Cane Technologists 26:46 2006
Milligan, S.B., Comstock, J.C. 2006. Inheritance of resistance to ratoon stunting disease and implications for selectin in florida. [abstract]. American Society of Sugar Cane Technologists. 26:52
Ming, R., Moore, P., Wu, K., D'Hont, A., Tew, T., Mirkov, T., Da Silva, J., Schnell Ii, R., Brumbley, S., Lakshmannan, P., Jifon, J., Rai, M., Comstock, J.C., Glaszmann, J., Paterson, A. Sugarcane Improvement Through Breeding and Biotechnology. Plant Breeding Reviews. 27:15-118. 2006.
Ming, R., P. H. Moore, K. K. Wu, A. D’Hont, J. C. Glaszmann, T. L. Tew, T. E. Mirkov, J. da Silva, J. Jifon, M. Rai, R. J. Schnell, S. M. Brumbley, P. Lakshmanan, J. C. Comstock, A. H. Paterson Sugarcane Improvement through Breeding and Biotechnology. In (J Janick ed.) Plant Breeding Reviews vol 27: 15-118. 2006.
Glaz, B.S., Comstock, J.C., Tai, P.Y.P., Edme, S.J., Gilbert, R., Miller, J.D., Davidson , J.O. Evaluation of new canal point sugarcane clones. 2003-2004 harvest season. U.S. Department of Agriculture, Agricultural Research Service, ARS-165. 32 pp. 2005.
Gilbert, R.A., Gallo-Meagher, M., Comstock, J.C., Miller, J.D., Jain, M., Abouzid, A. 2005. Agronomic evaluation of sugarcane lines transformed for resistance to sugarcane mosaic virus strain E. Crop Science. 45:2060-2067
Glaz, B., P.Y.P. Tai, J.C. Comstock, J.D. Miller, S.J. Edme, R. Gilbert, and J.Davidson. Evaluation of new Canal Point sugarcane clones: 2002-2003 harvest season. U.S. Department of Agriculture, Agricultural Research Service, ARS-164. 2005.
Glaz, B., Tai, P.Y., Comstock, J.C., Miller, J.D., Edme, S.J., Gilbert, R., Davidson, J. 2005. Evaluation of new canal point sugarcane clones: 2002-2003 harvest season. U.S. Department of Agriculture, Agricultural Resesarch Service, ARS 164.
Comstock, J.C., Sood, S. and Mccorkle, K. Characterization of sugarcane populations for disease reactions for use in molecular marker research. Sugar Journal. 68:19. 2005
Shine, J.M., Comstock, J.C., Dean, J.L. 2005. Comparison of five isolates of sugarcane rust and differential reaction on six sugarcane clones. Sugar Cane International 23:24-29.
Edme, S.J., Comstock, J.C., Miller, J.D. and Tai, P.Y.P. Determination of DNA Content and Genome Size in Sugarcane. J. American Society of Sugar Cane Technologists. 25:1-16. 2005.
Miller, J.D., Tai, P.Y., Edme, S.J., Comstock, J.C., Glaz, B.S., Gilbert, R.A. Basic germplasm utilization in the sugarcane development program at Canal Point, FL, USA. International Society of Sugar Cane Technologists Proceedings. Vol. 2:532-536. 2005.
Comstock, J.C., Glaz, B.S., Tai, P.Y., Edme, S.J., Morris, D.R., Gilbert, R.A. United States Department Of Agriculture-Agricultural Research Service Station Sugarcane Field Station at Canal Point, Florida; Past, Present, and Future. International Sugar Journal 106:662-669. 2004.
Comstock, J.C., Miller, J.D., Schnell II, R.J., Ayala Silva, T. Sugarcane yellow leaf virus in the world collection of sugarcane and related grasses at Miami, Florida. Proceedings International Society of Sugar Cane Technologists 25:691-693. 2005.
Pan, Y.B., Comstock, J.C., Scheffler, B.E. 2005. Highly Polymorphic Microsatellite DNA Markers for U.S. Sugarcane Germplasm Evaluation and Variety Fingerprinting [abstract]. Guide of Plant and Animal Genome XIII. p. 36.
Shine, J.M.,Jr., Comstock, J.C., Dean, J.L. 2005. Comparison of five isolates of sugarcane rust and differential reaction on six sugarcane clones. Proc. of the 25th Congress of International Society of Sugar Cane Technologists. 1:638-647.
Flynn, J., Quebedeaux, K., Powell, G., Montes, G., Perdomo, R., Comstock, J.C. 2004. Comparison of yield parameters and disease incidence of traditional seedcane sources and kleentek, a commercial tissue-culture based seedcane. American Society Of Sugar Cane Technologists. 24:107.
Edme, S.J., Miller, J.D., Glaz, B.S., Tai, P.Y.P., Comstock, J.C. Generic contribution to yield gains in the Florida sugarcane industry across 33 years. Crop Science. 45:92-97. 2005.
Comstock, J.C., Miller, J.D. 2004. Reliability of leaf-midrib tissue blot immunoussay to detect sugarcane yellow leaf virus and differences between cultivars in rate of spread. International Society of Sugar Cane Technologists Pathology Workshop. J. Amer. Society Sugar Cane Technologists 24:41-40.
Comstock, J.C., Chaparro, J., Tai, P.Y., Edme, S.J., Mccorkle, K.M., Miller, J.D. 2004. The association of microsatellite markers with resistance to sugarcane yellow leaf virus. Annual International Plant & Animal Genome Conference.
Edme, S.J., Gilbert, R., Comstock, J.C., Glaz, B.S., Tai, P., Miller, J.D., Davidson, J. 2004. Evaluation of New Canal Point Clones: 2001-2002 Harvest Season. United States Department of Agriculture, Agricultural Research Service, ARS-161, 35 pp.
Comstock, J.C., Miller, J.D. Yield Comparisons: Desease-free tissue-culture versus bud-propagated sugarcane plant and healthy versus yellow leaf infectd plants. J. American Society of Sugar Cane Technologists 24:31-40.
Comstock, J.C., Miller, J.D. 2003. Incidence and spread of sugarcane yellow leaf virus in sugarcane clones in the variety development program at canal point. American Society of Sugar Cane Technologists 23:71-78.
Comstock, J.C., Miller, J.D.and Schnell, R.J. 2003. Incidence of Sugarcane Yellow Leaf Virus in Clones of Saccharum spp. in the World Collection at Miami and in the Collection at the Sugarcane Field Station, Canal Point. American Society of Sugar Cane Technologists.