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Ryan P Viator
Sugarcane Research Unit
Research Plant Physiologist

Phone: (985) 873-8608
Fax: (985) 873-7894
5883 USDA ROAD
HOUMA, LA, 70360-5578

Projects
NEW AND IMPROVED CULTURAL PRACTICES FOR SUSTAINABLE SUGARCANE PRODUCTION AND ENVIRONMENTAL PROTECTION
Appropriated (D)
  Accession Number: 407622
SUGARCANE BREEDING AND VARIETY DEVELOPMENT (ARGENTINA)
Nonfunded Cooperative Agreement (N)
  Accession Number: 408757
THREE-WAY (LSU, ASCL, ARS) SUGARCANE BREEDING AND VARIETY DEVELOPMENT AGREEMENT
Nonfunded Cooperative Agreement (N)
  Accession Number: 409716
MICROBIAL DECOMPOSITION OF POST-HARVEST SUGARCANE RESIDUES AS A REPLACEMENT FOR BURNING
Specific Cooperative Agreement (S)
  Accession Number: 405198
IMPROVING SUGARCANE PRODUCTION EFFICIENCY
Trust (T)
  Accession Number: 409330

Publications
Yield Loss in Smut-Infected L 97-128. - (Trade Journal)
Grisham, M.P., Johnson, R.M., Viator, R.P., Hoy, J.W. 2008. Yield Loss in Smut-Infected L 97-128.. Sugar Bulletin. 86(10):9-11.
Effects of Ripener Application and Post-Harvest Residue Retention on Ratoon Sugarcane Crops - (Peer Reviewed Journal) - (12-Jun-08)
Influence of Row Width on the Last Effective Boll Population in Cotton - (Peer Reviewed Journal) - (01-May-08)
Tillage Needed for Profitable Stubble Crops - (Trade Journal)
Viator, R.P., Salassi, M.E., Johnson, R.M., Richard Jr, E.P. 2008. Tillage Needed for Profitable Stubble Crops. Sugar Bulletin. 86(7):22-23.
Re-evaluation of Sugarcane Borer (Lepidoptera: Crambidae) Bioeconomics in Louisiana - (Peer Reviewed Journal)
White, W.H., Viator, R.P., Dufrene Jr, E.O., Dalley, C.D., Richard Jr, E.P., Tew, T.L. 2008. Re-evaluation of Sugarcane Borer (Lepidoptera: Crambidae) Bioeconomics in Louisiana. Crop Protection. 27:1256-1261.
Issues of Starch in Sugarcane Processing and Prospects of Breeding for Low Starch Content in Sugarcane - (Peer Reviewed Journal)
Zhou, M., Kimbeng, C.A., Eggleston, G., Viator, R.P., Hale, A.L., Gravois, K.A. 2008. Issues of Starch in Sugarcane Processing and Prospects of Breeding for Low Starch Content in Sugarcane. Sugar Cane International. 26(3):3-13.
Combined Stresses Reduce Ratoon Yields in Louisiana - (Trade Journal)
Viator, R.P., Dalley, C.D., Johnson, R.M., Richard Jr, E.P. 2008. Combined Stresses Reduce Ratoon Yields in Louisiana. Sugar Journal. 70(8):6.
Green-cane Residue Management in a Non-tropical Climate - (Trade Journal)
Viator, R.P., Johnson, R.M., Richard Jr, E.P. 2008. Green-cane Residue Management in a Non-tropical Climate. Sugar Journal. 70(9):11.
Sugarcane Post-Harvest Residue Management in the Temperate Climate of Louisiana - (Abstract)
Viator, R.P., Johnson, R.M., Richard Jr, E.P. 2007. Sugarcane Post-Harvest Residue Management in the Temperate Climate of Louisiana [abstract]. In: Agronomy Society of America, Crop Science Society of America, Soil Science Society of America, 2007 International Annual Meetings Abstracts, November 4-8, 2007, New Orleans, Louisiana. CDROM.
Estimation of Sugarcane Sucrose and Biomass with Remote Sensing Techniques - (Abstract)
Johnson, R.M., Viator, R.P., Richard Jr, E.P. 2007. Estimation of Sugarcane Sucrose and Biomass with Remote Sensing Techniques [abstract]. Journal of the American Society of Sugar Cane Technologists. 27:68.
Allelopathic, Autotoxic, and Hormetic Effects of Post-harvest Sugarcane Residue - (Abstract)
Viator, R.P., Johnson, R.M., Grimm, C.C., Richard Jr, E.P. 2007. Allelopathic, Autotoxic, and Hormetic Effects of Post-harvest Sugarcane Residue [abstract]. Journal of the American Society of Sugar Cane Technologists. 27:69.
Sugarcane Post-harvest Residue Retention and Certain Ripener Applications Reduce First and Second Ratoon Yields - (Abstract)
Viator, R.P., Johnson, R.M., Richard Jr, E.P., Waguespack, H.L., Jackson, W. 2007. Sugarcane Post-harvest Residue Retention and Certain Ripener Applications Reduce First and Second Ratoon Yields [abstract]. Journal of the American Society of Sugar Cane Technologists. 27:66.
Effect of Recurrent Selection for Sucrose on Growth and Sugar Accumulation in Sugarcane Internodes - (Abstract)
Lingle, S.E., Tew, T.L., Viator, R.P., Johnson, R.M. 2007. Effect of Recurrent Selection for Sucrose on Growth and Sugar Accumulation in Sugarcane Internodes [abstract]. In: Agronomy Society of America, Crop Science Society of America, Soil Science Society of America, 2007 International Annual Meetings Abstracts, November 4-8, 2007, New Orleans, Louisiana. CDROM.
REPORT ON THE 2006 BORER YIELD REDUCTION EVALUATION - (Trade Journal)
White, W.H., Viator, R.P., Dufrene Jr, E.O., Dalley, C.D., Tew, T.L., Richard Jr, E.P. 2007. Report on the 2006 Borer Yield Reduction Evaluation. The Sugar Bulletin. 85(8):19-23.
Effects of Sugarcane yellow leaf virus infection on sugarcane in Louisiana - (Abstract)
Grisham, M.P., Eggleston, G., Hoy, J.W., Viator, R.P. 2007. Effects of Sugarcane yellow leaf virus infection on sugarcane in Louisiana. Journal of Phytopathology. 97(6):S43.
MICROBIAL DEGRADATION OF POST-HARVEST RESIDUES - (Peer Reviewed Journal)
Johnson, R.M., Richard Jr, E.P., Viator, R.P., Grisham, M.P., Boopathy, R. 2007. Microbial degradation of post-harvest residues. Proceedings of the International Society of Sugar Cane Technologists. 26:365-372.
Glyphosate Ripener Effects on the Process Quality of Different Sugarcane Tissues - (Proceedings/Symposium)
Eggleston, G., Viator, R.P., Grisham, M.P. 2007. Glyphosate ripener effects on the process quality of different sugarcane tissues. In: Proceedings of the International Society of Sugar Cane Technologists, July 29-August 2, 2007, South Africa. 26:1460-1467.
Part II: Dealing with Plant Stress in Louisiana Sugarcane Production - (Trade Journal)
Viator, R.P., Johnson, R.M., Richard Jr, E.P. 2007. Part II: Dealing with Plant Stress in Louisiana Sugarcane Production. Sugar Journal. 69(9):6.
Sugarcane Green and Brown, Dried Trash Effects on Processing: A Preliminary Study - (Proceedings/Symposium)
Eggleston, G., Viator, R.P., Grisham, M.P. 2006. Sugarcane Green and Brown, Dried Trash Effects on Processing: A Preliminary Study. Sugar Processing Research Conference Proceedings. p. 341-352.
DEALING WITH PLANT STRESS IN LOUISIANA SUGARCANE PRODUCTION - (Trade Journal)
Viator, R.P., Johnson, R.M., Richard Jr., E.P. 2007. Dealing with Plant Stress in Louisiana Sugarcane Production. Sugar Journal. 69:(8)6.
SUGARCANE CHOPPER HARVESTER EXTRACTOR FAN AND GROUND SPEED EFFECTS ON SUGARCANE YIELD, CANE QUALITY, AND FIELD LOSSES - (Peer Reviewed Journal)
Viator, R.P., Richard Jr, E.P., Viator, B.J., Jackson, W., Waguespack, H., Birkett, H. 2007. Sugarcane chopper harvester extractor fan and ground speed effects on yield and quality. Applied Engineering in Agriculture. 23(1):31-34.
EFFECT OF PLANTING DATE, MEPIQUAT CHLORIDE, AND GLYPHOSATE APPLICATION TO GLYPHOSATE RESISTANT COTTON IN NORTH CAROLINA - (Peer Reviewed Journal) - (21-Aug-06)
RIPENER INFLUENCES ON SUGARCANE YIELD IN LOUISIANA - (Abstract)
Richard Jr., E.P., Dalley, C.D., Viator, R.P. 2006. Ripener influences on sugarcane yield in Louisiana [abstract]. Journal of the American Society of Sugar Cane Technologists. 26:54. Available: http:www.assct.org/journal/journal.htm
ALLELOPATHIC, AUTOTOXIC, AND HORMETIC EFFECTS OF POST-HARVEST SUGARCANE RESIDUE - (Peer Reviewed Journal)
Viator, R.P., Johnson, R.M., Grimm, C.C., Richard Jr, E.P. 2006. Allelopathic, Autotoxic, and Hormetic Effects of Post-Harvest Sugarcane Residue. Agronomy Journal. 98:1526-1531.
HOW MUCH HAS RECURRENT SELECTION INCREASED SUCROSE YIELD IN SUGARCANE? - (Abstract)
Lingle, S.E., Tew, T.L., Viator, R.P., Johnson, R.M. 2006. How much has recurrent selection increased sucrose yield in sugarcane? [abstract]. Available: http://crops.confex.com/crops/2006am/techprogram/P23659.htm
MANAGEMENT OF COTTON (GOSSYPIUM HIRSUTUM) GROWN UNDER OVERHEAD SPRINKLE AND SUB-SURFACE DRIP IRRIGATION IN NORTH CAROLINA - (Peer Reviewed Journal)
Nuti, R.C., Casteel, S., Viator, R.P., Edmisten, K., Jordan, D., Grabow, G., Lanier, J. Management of cotton (gossypium hirsutum) grown under overhead sprinkle and sub-surface drip irrigation in north carolina. Journal of Cotton Science. 10:78-88.
SUGARCANE POST-HARVEST RESIDUE MANAGEMENT IN TEMPERATE CLIMATES - (Abstract)
Viator, R.P., Johnson, R.M., Richard Jr, E.P. 2006. Sugarcane post-harvest residue management in temperate climates [abstract]. In: Proceedings of the International Society of Sugarcane Technologist Agronomy Workshop, May 23 - 26, 2006, Khon Kaen, Thailand, p. 8.
AUTOTOXIC AND ALLELOPATHIC ACTIVITY OF POST-HARVEST RESIDUE - (Abstract)
Viator, R.P., Johnson, R.M., Richard Jr, E.P. 2005. Autotoxic and Allelopathic Activity of Post-Harvest Residue [abstract]. Journal of the American Society of Sugar Cane Technologists. 25:121. Available: http://www.assct.org/journal/journal.htm
DISCRIMINATION OF SUGARCANE VARIETIES WITH HYPERSPECTRAL REFLECTANCE MEASUREMENTS AND PLANT PIGMENT ANALYSIS - (Abstract)
Johnson, R.M., Viator, R.P., Veremis, J.C., Richard Jr, E.P., Zimba, P.V. 2005. Discrimination of Sugarcane Varieties with Hyperspectral Reflectance Measurements and Plant Pigment Analysis [abstract]. Journal of the American Society of Sugar Cane Technologists. 25:111. Available: http://www.assct.org/journal/journal.htm
THE EFFECT OF PLANTING DATE AND PLANTING METHOD ON LOUISIANA SUGARCANE VARIETIES - (Abstract)
Dufrene Jr, E.O., Viator, R.P., Garrison, D.D., Tew, T.L., Richard Jr, E.P. 2005. The Effect of Planting Date and Planting Method on Louisiana Sugarcane Varieties [abstract]. Journal of the American Society of Sugar Cane Technologists. 25:105. Available: http://www.assct.org/journal/journal.htm
MULTIPLE CHALLENGES OF GREEN-CANE HARVESTING IN LOUISIANA - (Trade Journal)
Viator, R.P., Johnson, R.M., Richard Jr, E.P. 2005. Multiple Challenges of Green-Cane Harvesting in Louisiana. Sugar Journal. 67(10):6-7
SUGARCANE CULTIVAR YIELD RESPONSE TO PLANTING DATE - (Peer Reviewed Journal)
Viator, R.P., Richard Jr, E.P., Garrison, D.D., Dufrene Jr, E.O., Tew, T.L. 2005. The Effect of Planting Date on Sugarcane Yield and Yield Components. Journal of American Society of Sugar Cane Technologists. 25. Available: http://www.assct.org/journal/journal.htm
THE EFFECT OF PLANTING METHOD AND PLANTING DATE ON SUGARCANE YIELD - (Peer Reviewed Journal)
Viator, R.P., Garrison, D.D., Dufrene Jr, E.O., Tew, T.L., Richard Jr, E.P. 2005. Planting Method and Timing Effects on Sugarcane Yield. Crop Management. Available: http://www.cropmanagementnetwork.org/cm/
INFLUENCE OF TEMPERATURE AND OTHER CLIMATIC FACTORS ON BOLL MATURATION PERIOD - (Peer Reviewed Journal)
Viator, R.P., Nuti, R.C., Edmisten, K.L., Wells, R. 2005. Influence of Temperature and Other Climatic Factors on Boll Maturation Period. Agronomy Journal. 97:494-499.
MICROSATELLITE DNA MARKER-ASSISTED SELECTION OF SACCHARUM SPONTANEUM CYTOPLASM-DERIVED GERMPLASM - (Proceedings/Symposium)
Pan, Y.B., Tew, T.L., Schnell, R.J., Viator, R.P., Veremis, J.C., Richard Jr, E.P., Grisham, M.P., White, W.H. 2004. Microsatellite DNA Marker-Assisted Selection of Saccharum Spontaneum Cytoplasm-Derived Germplasm. Proceedings of International Symposium on Sustainable Sugarcane and Sugar Production. p. 483-489.
CHALLENGES OF POST-HARVEST RESIDUE MANAGEMENT IN THE LOUISIANA SUGARCANE INDUSTRY - (Peer Reviewed Journal)
Viator, R.P., Johnson, R.M., Richard Jr, E.P. 2005. Challenges of Post-Harvest Residue Retention Management in the Louisiana Sugarcane Industry. Proceedings of the International Society of Sugar Cane Technologists. 25:238-244.
RATOONING ABILITY AND STALK TOLERANCE TO FREEZING TEMPERATURES AMONG F1 HYBRIDS INVOLVING SACCHARUM SPONTANEUM AND COMMERCIAL-TYPE SUGARCANE - (Abstract)
Veremis, J.C., Viator, R.P., Tew, T.L. 2004. Ratooning ability and stalk tolerance to freezing temperatures among F1 hybrids involving Saccharum spontaneum and commercial-type sugarcane [abstract]. Journal of the American Society of Sugar Cane Technologists. 24:122. Available: http://www.assct.org/journal/journal.htm.
COMBINE FAN SPEED AND GROUND SPEED EFFECTS ON CANE QUALITY, YIELD, LOSSES, AND ECONOMIC RETURNS - (Abstract)
Viator, R.P., Richard Jr, E.P., Viator, B.J., Jackson, W., Waguespack, H., Birkett, H. 2004. Combine fan speed and ground speed effects on cane quality, yield, losses, and economic returns [abstract]. Journal of the American Society of Sugar Cane Technologists. 24:125.

   
 
Last Modified: 10/17/2008
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