Research Project: Improving the Production and Processing of Western and Long-Staple Cotton and Companion Crops to Enhance Quality, Value, and Sustainability

Location: Cotton Ginning Research

Publications (Clicking on the reprint icon will take you to the publication reprint.)

2024 Gin lab update - (Other)
Whitelock, D.P. 2024. 2024 Gin lab update. Annual Arizona Cotton Industry Meeting, June 13, 2024, Sedona, Arizona. Presentation only.

Evaluation of cotton cultivars and breeding lines for tolerance to monosodium methanearsonate (MSMA) under field conditions - (Peer Reviewed Journal)
Zhang, J., Abdelraheem, A., Zhu, Y., Whitelock, D.P. 2024. Evaluation of cotton cultivars and breeding lines for tolerance to monosodium methanearsonate (MSMA) under field conditions. Journal of Cotton Science. 28:12-26. https://doi.org/10.56454/KQXF6064.

2024 USDA-ARS gin lab update - (Other)
Whitelock, D.P. 2024. 2024 USDA-ARS gin lab update. California Cotton Ginners and Growers Association, May 14, 2024, Tulare, California. Presentation only.

Relative cost of ginning cotton using saw, conventional roller, and high-speed roller gins in the U.S. - (Peer Reviewed Journal)
Acharya, R.N., Sapkota, S., Bhandari, P., Armijo, C.B., Whitelock, D.P. 2024. Relative cost of ginning cotton using saw, conventional roller, and high-speed roller gins in the U.S. Journal of Agribusiness. p. 1-14. https://doi.org/10.1002/agr.21946.

Reciprocating-knife and rotary-knife roller ginning of Pima and Upland cottons - (Other)
Whitelock, D.P., Armijo, C.B., Delhom, C.D., Wanjura, J.D., Tumuluru, J., Kothari, N., Martin, V. 2024. Reciprocating-knife and rotary-knife roller ginning of Pima and Upland cottons. Bremen International Cotton Conference, March 20-22, 2024, Bremen, Germany. Presentation only.

Comparison of reciprocating-knife roller-, rotary-knife roller-, and saw-ginning Pima and Upland cottons - (Abstract Only)
Whitelock, D.P., Armijo, C.B., Delhom, C.D., Wanjura, J.D., Tumuluru, J., Kothari, N., Martin, V. 2024. Comparison of reciprocating-knife roller-, rotary-knife roller-, and saw-ginning Pima and Upland cottons. National Cotton Council Beltwide Cotton Conference, Fort Worth, TX, January 3-5, 2024. p. 401-403.

Biomass supply chain logistics: Challenges and technological advancements - (Book / Chapter)
Hess, R., Tumuluru, J. 2024. Biomass supply chain logistics: Challenges and technological advancements. In: Bisaria, V. editor, Handbook of Biorefinery Research and Technology. Germany: Springer, Dordrecht. p. 1-22. https://doi.org/10.1007/978-94-007-6724-9_46-1.

Grinding and pelleting characteristics of municipal solid waste fractions - (Peer Reviewed Journal)
Smith, Z., Issac, B., Tumuluru, J., Yancey, N. 2023. Grinding and pelleting characteristics of municipal solid waste fractions. Energies. 17(1):29. https://doi.org/10.3390/en17010029.

Evaluation of alternative-design cotton gin lint cleaning machines on fiber length uniformity index - (Peer Reviewed Journal)
Armijo, C.B., Delhom, C.D., Whitelock, D.P., Tumuluru, J., Yeater, K.M., Rowe, C., Wanjura, J.D., Sui, R., Holt, G.A., Martin, V.B., Kothari, N. 2023. Evaluation of alternative-design cotton gin lint cleaning machines on fiber length uniformity index. AgriEngineering. 5(4):212302138. https://doi.org/10.3390/agriengineering5040130.

Data from: Performance of a cotton gin machine that removes plastic contamination from seed cotton - (Database / Dataset)
Whitelock, D.P., Armijo, C.B., Funk, P.A. 2023. Data from: Performance of a cotton gin machine that removes plastic contamination from seed cotton. Ag Data Commons. https://doi.org/10.15482/USDA.ADC/1529765.

Modeling and optimization of high-capacity experimental reclaimers to minimize the seed and lint loss during roller ginning of Upland and Pima cotton - (Peer Reviewed Journal)
Tumuluru, J., Armijo, C.B., Whitelock, D.P., Funk, P.A. 2023. Modeling and optimization of high-capacity experimental reclaimers to minimize the seed and lint loss during roller ginning of Upland and Pima cotton. Processes. 11(10), p. 1-22. https://doi.org/10.3390/pr11102868.

Thermal pretreatment technologies for moisture removal and upgrading the biomass quality - (Book / Chapter)
Tumuluru, J., Frodeson, S., Mohammadi, A., Venkatesh, G. 2023. Thermal pretreatment technologies for moisture removal and upgrading the biomass quality. In: Bisaria, V., Hess, J.R., Tumuluru, J.S. editors. Handbook of Biorefinery Research and Technology. Dordrecht: Springer Nature Applied Sciences. https://doi.org/10.1007/978-94-007-6724-9_49-1.

Ginning research update - (Other)
Whitelock, D.P., Tumuluru, J., Armijo, C.B. 2023. Ginning research update. New Mexico Cotton Ginners Association Conference, July 14-15, 2023, Mescalero, NM. Presentation only.

Impact of pneumatic fractionator process conditions on the lint quality and foreign matter removal - (Other)
Tumuluru, J., Delhom, C.D., Armijo, C.B., Whitelock, D.P., Funk, P.A. 2023. Impact of pneumatic fractionator process conditions on the lint quality and foreign matter removal. ASABE Annual International Meeting. Presentation only.

Highspeed roller ginning a Western hybrid cotton - (Other)
Whitelock, D.P., Armijo, C.B., Tumuluru, J., Thomas, J.W. 2023. Highspeed roller ginning a Western hybrid cotton. ASABE Annual International Meeting, July 9-12, 2023, Omaha, Nebraska. Presentation only.

USDA ginning laboratory research update - (Other)
Whitelock, D.P. 2023. USDA ginning laboratory research update. Annual Arizona Cotton Industry Meeting, May 17-18, 2023, Flagstaff, Arizona. Presentation only.

High moisture pelleting of corn stover at pilot and commercial scale: Impact of moisture content, L/D ratio, and hammer mill screen size on pellet quality and energy consumption - (Peer Reviewed Journal)
Tumuluru, J. 2023. High moisture pelleting of corn stover at pilot and commercial scale: Impact of moisture content, L/D ratio, and hammer mill screen size on pellet quality and energy consumption. Biofuels, Bioproducts, & Biorefining (Biofpr). https://doi.org/10.1002/bbb.2519.

Gin lab update - (Other)
Whitelock, D.P. 2023. Gin lab update. California Cotton Ginners and Growers Association, May 10, 2023, Tulare, California. Presentation only.

Modeling the performance of two experimental high-capacity roller gin reclaimers to assess the impact of carryover to seed ratio and saw speed - (Abstract Only)
Tumuluru, J., Armijo, C.B., Whitelock, D.P., Funk, P.A. 2023. Modeling the performance of two experimental high-capacity roller gin reclaimers to assess the impact of carryover to seed ratio and saw speed. National Cotton Council Beltwide Cotton Conference, January 10-12, 2023, New Orleans, Louisiana. p. 161.

Introductory Chapter: Food processing, preservation, and packaging - A brief overview - (Book / Chapter)
Tumuluru, J. 2023. Introductory Chapter: Food processing, preservation, and packaging - A brief overview. In: Tumuluru, J.S. editor. Food Processing and Packaging Technologies. United Kingdom: IntechOpen. p. 3-13. https://doi.org/10.1142/9781800613799_0011www.intechopen.com/chapters/86251.

Cotton ginning research updates - (Other)
Whitelock, D.P. 2023. Cotton ginning research updates. New Mexico Cotton Ginners Association Conference, January 25, 2023, Ruidoso, NM. Presentation only.

How gins can maximize bale throughput given seasonality, cotton quality and producer decisions - (Other)
Gottula, J., Hidalgo, M., King, J., Harrison, A., Bourland, F., Whitelock, D.P., Hardin, R., Tumuluru, J., Holt, G.A., Thomas, J.W., Wanjura, J.D., Blakemore, D., Delhom, C.D., Ward, J. 2023. How gins can maximize bale throughput given seasonality, cotton quality and producer decisions. National Cotton Council Beltwide Cotton Conference, January 10-12, 2023, New Orleans, Louisiana. Presentation only.

Analysis of cotton ginning costs by technology - (Other)
Sapkota, S., Acharya, R., Whitelock, D.P., Armijo, C.B., Tumuluru, J. 2023. Analysis of cotton ginning costs by technology. National Cotton Council Beltwide Cotton Conference, January 10-12, 2023, New Orleans, Louisiana. Presentation only.

Investigating fiber quality from tabletop and commercial scale saw and roller gin stands - (Abstract Only)
Armijo, C.B., Tumuluru, J., Delhom, C.D., Whitelock, D.P., Funk, P.A., Wanjura, J.D., Kothari, N., Martin, V. 2023. Investigating fiber quality from tabletop and commercial scale saw and roller gin stands. National Cotton Council Beltwide Cotton Conference, January 10-12, 2023, New Orleans, Louisiana. p. 490-491.

Removing plastic contamination with multiple seed cotton cleaners - (Abstract Only)
Whitelock, D.P., Tumuluru, J., Armijo, C.B., Kothari, N., Martin, V. 2023. Removing plastic contamination with multiple seed cotton cleaners. National Cotton Council Beltwide Cotton Conference, January 10-12, 2023, New Orleans, LA. p. 514-516.

Progress report: Cryogenically treated gin saws - (Abstract Only)
Whitelock, D.P., Funk, P.A., Thomas, J.W., Armijo, C.B., Holt, G.A., Tumuluru, J. 2023. Progress report: Cryogenically treated gin saws. National Cotton Council Beltwide Cotton Conference, Jan. 10-12, 2023, New Orleans, LA. p. 727.

A rapid and reliable method for evaluating cotton resistance to Fusarium wilt race 4 based on taproot rot at the seed germination stage - (Peer Reviewed Journal)
Zhu, Y., Willey, K., Wheeler, T., Dever, J., Whitelock, D.P., Wedergaertner, T., Hake, K., Bissonnette, K., Zhang, J. 2023. A rapid and reliable method for evaluating cotton resistance to Fusarium wilt race 4 based on taproot rot at the seed germination stage. Phytopathology. 113(5):904-916. https://doi.org/10.1094/PHYTO-08-22-0286-FI.

Densification process modeling and commonly used systems - (Book / Chapter)
Tumuluru, J. 2023. Densification process modeling and commonly used systems. In: Tumuluru, J.S. editor. Densification Impact on Raw, Chemically and Thermally Pretreated Biomass. First Edition. Singapore: World Scientific Publishing Co. Pte. Ltd. p. 15-48. https://doi.org/10.1142/9781800613799_0002.

An overview of preprocessing and pretreatment technologies for biomass - (Book / Chapter)
Tumuluru, J. 2023. An overview of preprocessing and pretreatment technologies for biomass. In: Tumuluru, J.S. editor. Densification Impact on Raw, Chemically and Thermally Pretreated Biomass. First Edition. Singapore: World Scientific Publishing Co. Pte. Ltd. p. 1-14. https://doi.org/10.1142/9781800613799_0001.

Blending and densification: Significance and quality - (Book / Chapter)
Frodeson, S., Tumuluru, J. 2023. Blending and densification: Significance and quality. In: Tumuluru, J.S. editor. Densification Impact on Raw, Chemically and Thermally Pretreated Biomass. First Edition. Singapore: World Scientific Publishing Co. Pte. Ltd. p. 73-107. https://doi.org/10.1142/9781800613799_0004.

Thermal pretreatment impact on densified biomass physical properties - (Book / Chapter)
Ghiasi, B., Tumuluru, J., Sokhansanj, S. 2023. Thermal pretreatment impact on densified biomass physical properties. In: Tumuluru, J.S. editor. Densification Impact on Raw, Chemically and Thermally Pretreated Biomass. First Edition. Singapore: World Scientific Publishing Co. Pte. Ltd. p. 155-187. https://doi.org/10.1142/9781800613799_0006.

Densification of agricultural residue for hydrothermal liquefaction - (Book / Chapter)
Maddipudi, B., Shende, A.R., Amar, V., Huynh, K., Tumuluru, J., Shende, R.V. 2023. Densification of agricultural residue for hydrothermal liquefaction. In: Tumuluru, J.S. editor. Densification Impact on Raw, Chemically and Thermally Pretreated Biomass. First Edition. Singapore: World Scientific Publishing Co. Pte. Ltd. p. 219-236. https://doi.org/10.1142/9781800613799_0008.

A comprehensive evaluation of the various routes of biochemical conversion of pelletized biomass - (Book / Chapter)
Paul, A., Juneja, A., Tumuluru, J., Kumar, D. 2023. A comprehensive evaluation of the various routes of biochemical conversion of pelletized biomass. In: Tumuluru, J.S. Densification Impact on Raw, Chemically and Thermally Pretreated Biomass. First Edition. Singapore: World Scientific Publishing Co. Pte. Ltd. p. 291-316. https://doi.org/10.1142/9781800613799_0011.

Efficiency of selection for resistance to Fusarium wilt race 4 in cotton when conducted in the field versus greenhouse - (Peer Reviewed Journal)
Zhang, J., Zhu, Y., Elkins-Arce, H., Wheeler, T., Dever, J., Whitelock, D.P., Wedergaertner, T., Hake, K., Bissonnette, K. 2022. Efficiency of selection for resistance to Fusarium wilt race 4 in cotton when conducted in the field versus greenhouse. Euphytica. 218. Article 165. https://doi.org/10.1007/s10681-022-03117-6.

Performance of a cotton gin machine that removes plastic contamination from seed cotton - (Peer Reviewed Journal)
Whitelock, D.P., Armijo, C.B., Funk, P.A., Kothari, N., Martin, V. 2022. Performance of a cotton gin machine that removes plastic contamination from seed cotton. Journal of Cotton Science. 26(2):76-84. https://doi.org/10.56454/VKNF3731.

Effect of growth stage, cultivar, and root wounding on disease development in cotton caused by Fusarium wilt race 4 (Fusarium oxysporum f. sp. vasinfectum) - (Peer Reviewed Journal)
Zhu, Y., Elkins-Arce, H., Wheeler, T., Dever, J., Whitelock, D.P., Hake, K., Wadegaertner, T., Zhang, J. 2023. Effect of growth stage, cultivar, and root wounding on disease development in cotton caused by Fusarium wilt race 4 (Fusarium oxysporum f. sp. vasinfectum). Crop Science. 63:101-114. https://doi.org/10.1002/csc2.20839.

Characterization of particulate emissions from a cotton gin - (Other)
Whitelock, D.P., Yang, Z., Buser, M.D. 2022. Characterization of particulate emissions from a cotton gin. American Society of Agricultural and Biological Engineers, July 17-20, 2022, Houston, TX. Presentation only.

Gin saw thickness impact on lint turnout, lint value, and seed damage - (Peer Reviewed Journal)
Funk, P.A., Thomas, J.W., Yeater, K.M., Kothari, N., Armijo, C.B., Whitelock, D.P., Wanjura, J.D., Delhom, C.D. 2022. Gin saw thickness impact on lint turnout, lint value, and seed damage. Applied Engineering in Agriculture. 38(4):645-650. https://doi.org/10.13031/aea.15171.

USDA-ARS gin lab update & roller gin survey results - (Other)
Whitelock, D.P., Armijo, C.B. 2022. USDA-ARS gin lab update & roller gin survey results. 2022 Annual Meeting of the California Cotton Ginners and Growers Association, Visalia, CA, May 11, 2022. Presentation only.

Quantifying moisture content in walnut drying bins - (Other)
Funk, P.A., Yeater, K.M., Haff, R.P., Armijo, C.B., Whitelock, D.P., Zhang, Y. 2022. Quantifying moisture content in walnut drying bins. ASABE Annual International Meeting, July 17-20, 2022, Houston, TX. Presentation only.

Cotton genotype differences in seed coat fragments related to seed fragility and fiber-seed attachment force - (Peer Reviewed Journal)
Armijo, C.B., Bechere, E., Whitelock, D.P., Funk, P.A. 2022. Cotton genotype differences in seed coat fragments related to seed fragility and fiber-seed attachment force. Applied Engineering in Agriculture. 38(3):517-522. https://doi.org/10.13031/aea.14325.

Studies of evaluation methods for resistance to Fusarium Wilt Race 4 (Fusarium oxysporum f. sp. vasinfectum) in cotton: Effects of cultivar, planting date, and inoculum density on disease progression - (Peer Reviewed Journal)
Zhang, J., Abdelraheem, A., Zhu, Y., Elkins-Arce, H., Dever, J., Whitelock, D.P., Hake, K., Wedegaertner, T., Wheeler, T. 2022. Studies of evaluation methods for resistance to Fusarium Wilt Race 4 (Fusarium oxysporum f. sp. vasinfectum) in cotton: Effects of cultivar, planting date, and inoculum density on disease progression. Frontiers in Plant Science. 13. Article 900131. https://doi.org/10.3389/fpls.2022.900131.

Improving modeling of low-altitude particulate matter emission and dispersion: A cotton gin case study - (Peer Reviewed Journal)
Yang, Z., Evans, M.D., Buser, M.D., Hapeman, C.J., Torrents, A., Whitelock, D.P. 2022. Improving modeling of low-altitude particulate matter emission and dispersion: A cotton gin case study. Journal of Environmental Science. https://doi.org/10.1016/j.jes.2022.03.048.

Studies of evaluation parameters for resistance to Fusarium wilt in cotton caused by Fusarium wilt race 4 (Fusarium oxysporum f. sp. vasinfectum) - (Peer Reviewed Journal)
Zhang, J., Zhu, Y., Elkins-Arce, H., Wheeler, T., Dever, J., Whitelock, D.P., Hake, K., Wedegaertner, T. 2022. Studies of evaluation parameters for resistance to Fusarium wilt in cotton caused by Fusarium wilt race 4 (Fusarium oxysporum f. sp. vasinfectum). Crop Science. 62(3):1115-1132. https://doi.org/10.1002/csc2.20744.

Improving the performance of a cotton gin plastic contamination cleaner - (Abstract Only)
Whitelock, D.P., Funk, P.A., Armijo, C.B., Kothari, N., Martin, V. 2022. Improving the performance of a cotton gin plastic contamination cleaner. National Cotton Council Beltwide Cotton Conference, January 4-6, 2022, San Antonio, TX. p. 686-687.

Saw thickness impact on ginning energy - (Proceedings)
Funk, P.A., Thomas, J.W., Yeater, K.M., Armijo, C.B., Whitelock, D.P., Wanjura, J.D., Delhom, C.D. 2022. Saw thickness impact on ginning energy. National Cotton Council Beltwide Cotton Conference, January 4-6, 2022, San Antonio, Texas. p. 246-249.

Saw thickness impact on cotton gin energy consumption - (Peer Reviewed Journal)
Funk, P.A., Thomas, J.W., Yeater, K.M., Armijo, C.B., Whitelock, D.P., Wanjura, J.D., Delhom, C.D. 2022. Saw thickness impact on cotton gin energy consumption. Applied Engineering in Agriculture. 38(1):15-21. https:///doi.org/10.13031/aea.14535.

'NuMex Odyssey', a New Mexico-type green chile pepper for mechanical harvest - (Peer Reviewed Journal)
Walker, S.J., Funk, P.A., Joukhadar, I., Place, T., Havlik, C., Tonnessen, B. 2021. 'NuMex Odyssey', a New Mexico-type green chile pepper for mechanical harvest. HortScience. https://doi.org/10.21273/HORTSCI15793-21.

Assessment and modeling of particulate matter concentration and dispersion from low-altitude emission sources - (Abstract Only)
Yang, Z., Whitelock, D.P., Buser, M.D., Evans, M.N., Hapeman, C.J., Torrents, A. 2021. Assessment and modeling of particulate matter concentration and dispersion from low-altitude emission sources. 262nd ACS (American Chemical Society) National Meeting & Exposition, August 22–26, 2021, Atlanta, Georgia, USA. Presentation only.

Improving the performance of the GoldenLion Contamination Cleaner - (Other)
Whitelock, D.P., Funk, P.A., Armijo, C.B. 2021. Improving the performance of the GoldenLion Contamination Cleaner. 2021 ASABE Annual International Meeting, July 12-16, 2021, Virtual and On Demand. Presentation only.

Quantifying deep cryogenic treatment extent and its effect on steel properties - (Peer Reviewed Journal)
Funk, P.A., Kanaan, A., Shank, C., Cooke, P., Sevostianov, I., Thomas, J.W., Pate, M.O. 2021. Quantifying deep cryogenic treatment extent and its effect on steel properties. International Journal of Engineering Science. 167. Article 103521. https://doi.org/10.1016/j.ijengsci.2021.103521.

USDA-ARS gin lab update - (Other)
Whitelock, D.P., Funk, P.A., Armijo, C.B., Wanjura, J.D., Pelletier, M.G., Holt, G.A., Delhom, C.D. 2021. USDA-ARS gin lab update. California Cotton Ginners and Growers Association. Presentation only.

Update of cotton contamination research - (Other)
Whitelock, D.P., Pelletier, M.G., Funk, P.A., Wanjura, J.D., Armijo, C.B., Holt, G.A. 2021. Update of cotton contamination research. Cotton Board California, Arizona, New Mexico Cotton State Program VMeeting. Presentation only.

The effect of alternative lint cleaning processes on fiber length uniformity index - (Abstract Only)
Armijo, C.B., Delhom, C.D., Whitelock, D.P., Funk, P.A., Wanjura, J.D., Holt, G.A., Sui, R., Martin, V.B., Kothari, N., Blake, C.D., Pelletier, M.G. 2021. The effect of alternative lint cleaning processes on fiber length uniformity index. 2021 Beltwide Cotton Conferences, Jan. 5-7, 2021. Virtual. p. 372.

Comparison of the Goldenlion Contamination Cleaner with standard seed cotton cleaning machinery - (Proceedings)
Whitelock, D.P., Armijo, C.B., Funk, P.A., Pelletier, M.G., Holt, G.A., Wanjura, J.D., Kothari, N., Martin, V. 2021. Comparison of the Goldenlion Contamination Cleaner with standard seed cotton cleaning machinery. 2021 Beltwide Cotton Conferences, Jan. 5-7, 2021. Virtual. p. 265-273.

Genetic variation in seed size and fuzz content in commercial cultivars and breeding lines of Upland cotton - (Abstract Only)
Moore, K., Zhu, Y., Abdelraheem, A., Whitelock, D.P., Armijo, C.B., Funk, P.A., Wedegaertner, T., Zhang, J. 2021. Genetic variation in seed size and fuzz content in commercial cultivars and breeding lines of Upland cotton. 2021 Beltwide Cotton Conferences, Jan. 5-7, 2021. Virtual. p. 222.

Economic analysis of high-speed roller ginning - (Abstract Only)
Bhandari, P., Acharya, R.N., Armijo, C.B. 2021. Economic analysis of high-speed roller ginning. 2021 Cotton Beltwide Cotton Conferences, Jan. 5-7, 2021. Virtual. p. 601.

Lint cleaner feed mechanisms affect fiber length uniformity - (Abstract Only)
Armijo, C.B., Delhom, C.D., Whitelock, D.P., Funk, P.A., Wanjura, J.D., Holt, G.A., Sui, R., Martin, V.B., Kothari, N., Blake, C.D., Pelletier, M.G. 2021. Lint cleaner feed mechanisms affect fiber length uniformity. (VIRTUAL) 35th International Cotton Conference, Bremen, Germany, Mar. 15-19, 2021. Presentation only.