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Christian Nansen chrnansen@ucdavis.edu Phone: 530-752-0492 Briggs Hall, room 37 (basement)

Research Articles

Peer-reviewed articles

2014
West K, Nansen C. 2014. Smart-use of fertilizers to manage spider mites (Acari: Tetrachynidae) and other arthropod pests. Plant Science Today 1(3): 161-164. DOI: http://dx.doi.org/10.14719/pst.2014.1.3.56.

Yan-Qin N, Nansen C, Xian-Wei L, T.-X. Liu. 2014. Geographical variation of Plutella xylostella (Lepidoptera: Plutellidae) populations revealed by mitochondrial COI gene in China. Journal of Applied Entomology 138: 1-9. DOI: 10.1111/jen.12130.

Zhao C, Qi B, Youn E, Yin G, Nansen C. 2014. Use of neighborhood unhomogeneity to detect the edge of hyperspectral spatial stray light region. Optik 125(13) 3009–3012. DOI: 10.1016/j.ijleo.2013.12.029.

Mankin R, Hagstrum D, Nansen C, Meikle W. 2014. Almond moth oviposition patterns in continuous layers of peanuts. Journal of Stored Products Research 59(1) 48–54. DOI: 10.1016/j.jspr.2014.05.002.

Prager SM, Lewis OM, Michels J, Nansen C. 2014. The influence of maturity and variety of potato plants on oviposition and probing of Bactericera cockerelli (Šulc) (Hemiptera: Triozidae). Environmental Entomology 43(2):402-409. doi: http://dx.doi.org/10.1603/EN13278.

Prager SM, Martini X, Guvvala H, Nansen C, Lundgren J. 2014. Spider mite infestations reduce Bt toxin concentration in corn leaves and predators avoid spider mites that have fed on Bt corn. Annals of Applied Biology. doi:10.1111/aab.12120.

Nansen C, Coelho A Jr, Mendes J V, Parra JRP. 2014. Reflectance-based identification of parasitized host eggs and adult Trichogramma specimens. Journal of Experimental Biology 217: 1187-1192 doi:10.1242/jeb.095661.

Nansen C, Meikle W G. 2014. Journal impact factors and the influence of age and number of citations. Molecular Plant Pathology 15(3), 223–225. DOI: 10.1111/mpp.12096.

Nansen C, Zhang X, Aryamanesh N, Yan G. 2014. Use of variogram analysis to classify field peas with and without internal defects caused by weevil infestation. Journal of Food Engineering 123: 17-22. DOI: 10.1016/j.jfoodeng.2013.09.001.

Wilcox P, Horton TM, Youn E, Jeong MK, Tate D, Herrman T, Nansen C. 2014. Evolutionary refinement approaches for band selection of hyperspectral images with applications to automatic monitoring of animal feed quality. Intelligent Data Analysis 18(1):25-42. DOI 10.3233/IDA-130626.

2013
Fiene F, Kalns L, Nansen C, Bernal J, Harris J M, Sword G. 2013. Investigations into the foraging-decisions of an intracellular feeding insect on cotton leaves. PLOS One 8(11): e80911. doi:10.1371/journal.pone.0080911.

Lee K-M, Herrman TJ, Nansen C, Yun U. 2013. Application of Raman spectroscopy for qualitative and quantitative detection of fumonisins in ground maize samples. International Journal of Regulatory Science 1: 1-14.

Zhao C, Qi B, Nansen C. 2013. Use of local fuzzy variance to extract the scattered regions of spatial stray light influence in hyperspectral images. Optik 124: 6696– 6699.

Nansen C, Geremias LD, Xue Y, Huang F, Parra JR. 2013. Agricultural case studies of classification accuracy, spectral resolution, and model over-fitting. Applied Spectroscopy 67(1): 1332-1338.

Nansen C, Sidumo AJ, Martini X, Stefanova K, Roberts JD. 2013. Reflectance-based assessment of spider mite “bio-response” to maize leaves and plant potassium content in different irrigation regimes. Computers and Electronics in Agriculture 97: 21-26. DOI: http://dx.doi.org/10.1016/j.compag.2013.06.007.

Nansen C, Stokes B, James J, Porter P, Shields EJ, Wheeler T, Meikle WG. 2013. Biological control agent of larger black flour beetles – a nuisance pest developing in cotton gin trash piles. Journal of Economic Entomology 106(2): 648-652. DOI: http://dx.doi.org/10.1603/EC12380.

Baoua IB, Amadou L, Oumarou N, Payne W, Roberts JD, Stefanova K, Nansen C. 2013. Estimating effect of augmentative biological control on grain yields from individual pearl millet heads. Journal of Applied Entomology. doi: 10.1111/jen.12077.

Christensen S, Nemchenko A, Borrego E, Murray I, Sobhy I, Bosak L, DeBlasio S, Erb M, Robert C, Vaughn K, Herrfurth C, Tumlinson J, Feussner I, Jackson D, Turlings T, Engelberth J, Nansen C, Meeley R, Kolomiets M. 2013. The maize lipoxygenase, ZmLOX10, mediates green leaf volatile, jasmonate, and herbivore-induced plant volatile production for defense against insect attack. The Plant Journal 74:59-73. doi: 10.1111/tpj.12101.

Martini X, Kincy N, Vaughn K, Dever J, Nansen C. 2013. Positive association between thrips and spider mites in seedling cotton. Agricultural and Forest Entomology. DOI: 10.1111/afe.12004.

Prager SM, Vaughn K, Lewis M, Nansen C. 2013. Oviposition and leaf probing by Bactericera cockerelli (Homoptera: Psyllidae) in response to a limestone particle film or a plant growth regulator applied to potato plants. Crop Protection 45: 57-62.

2012​
Martini X, Kincy N, Nansen C. 2012. Quantitative impact assessment of spray coverage and pest behavior on contact pesticide performance. Pest Management Science. DOI 10.1002/ps.3330.

​Martini X, S Seibert, S Prager, Nansen C. 2012. A novel approach to nymph sampling from crop leaves. Entomologia Experimentalis et Applicata 143:103-110.

Nansen C. 2012. Use of Variogram Parameters in analysis of hyperspectral imaging data acquired from dual-stressed crop leaves. Remote Sensing. 4, 180-193; doi:10.3390/rs4010180.

Nansen C., C Trostle, S Angadi, P Porter, X Martini. 2012. Abiotic factors affecting canola establishment and insect pest dynamics. International Journal of Agronomy 2012, Article ID 838903, 9 pages, 2012. doi:10.1155/2012/838903.

​2011​
Nansen C., Omoto C. 2011. Entomology and the art of creativity. American Entomologist 57: 179-181.

​Nansen C., 2011. Robustness of analyses of imaging data. Optics Express 19: 15173-15180.

​Qi B, Zhao C, Youn E, Nansen C. 2011. Use of weighting algorithms to improve traditional support vector machine based classifications of reflectance data. Optics Express 19: 26816- 26826.

​Nansen C, Vaughn K, Xue Y, Rush C, Workneh F, Goolsby J, Troxclair N, Anciso J, Gregory A, Holman D, Hammond A, Mirkov E, Tantravahi P, Martini X. 2011. A decision-support tool to predict spray deposition of insecticides in commercial potato fields and its implications for their performance. Journal of Economic Entomology 104: 1138-1145.

​Nansen C, Meikle WG. 2011. The economic injury level and the action threshold in stored-product systems. Stewart Postharvest Review 7: 1-8.