Ziebell AL, Barb JG, Sandhu S, Moyers B, Sykes RW, Doeppke C, Gracom KL, Carlile M, Marek LF, Davis MF, Knapp SJ, Burke JM (2013) Sunflower as a biofuels crop:an analysis of lignocellulosic chemical properties. Biomass Bioenergy 59: 208-217
Sandlin K, Prothro J, Heesacker A, Khalilian N, Okashah R, Xiang W, Bachlava E, Caldwell DG, Taylor CA, Seymour DK, White V, Chan E, Tolla G, White C, Safran D, Graham E, Knapp S, McGregor C (2012) Comparative mapping in watermelon [Citrullus lanatus (Thunb.) Matsum. et Nakai]. Theor Appl Genet 125: 1603-18
Qin H, Feng S, Chen C, Guo Y, Knapp SJ, Culbreath A, He G, Wang ML, Zhang X, Holbrook CC, Osias-Akins P (2011) An integrated genetic linkage map of cultivated peanut (Arachis hypogaea L.) constructed from two RIL populations. Theor Appl Genet 124: 653-64
Gandhi SD, Kishore VK, Crane JM, Slabaugh MB, and Knapp SJ (2009) Selection for low erucic acid and genetic mapping of loci affecting the accumulation of very long-chain fatty acids in meadowfoam seed storage lipids.Genome 52: 547-556
Heesacker, A, Kishore VK, Gao W, Tang S, Kolkman J, Gingle A, Matvienko M, Kozik A, Michelmore RW, Lai Z, Rieseberg LH, Knapp SJ (2008) SSRs mined from the sunflower EST database:abundance, polymorphisms, and cross-taxa utility.Theor Appl Genet 117: 1021-9
Xu X, Martin B, Jonathan P. Comstock JP, Vision TJ, Tauer CG, Baige Zhao B, Pausch RC, Knapp SJ (2008) Fine mapping a QTL for carbon isotope composition in tomato. Theor Appl Genet 117: 221-233
Dussel CM, Hahn V, Knapp SJ, Bauer E (2004) PlArg from Helianthus argophyllus is unlinked to other known downy mildew resistance genes in sunflower. Theor. Appl. Genet. 109: 1083-1086.
Pérez-Vich B, Knapp SJ, Leon AJ, Fernandez-Martinez JM, Berry ST (2004) Mapping minor QTL for increased stearic acid content in sunflower seed oil. Mol. Breeding 13: 313-322.
Tang S, Heesacker A, Kishore VK, Fernandez A, Sadik ES, Cole G, Knapp SJ (2003) Genetic mapping of the Or5 gene for resistance to Orobanche race E in sunflower. Crop Sci. 43: 1021-1028.
Pérez-Vich B, Fernández-Martínez JM, Grondona M, Knapp SJ, Berry ST (2002) Stearoyl-ACP and oleoyl-PC desaturase genes cosegregate with quantitative trait loci underlying high stearic and high oleic acid mutant phenotypes in sunflower.Theor. Appl. Genet. 104: 338-349.
Knapp SJ, Crane JM (2002) Registration of Wheeler meadowfoam.Crop Sci. 42: 2208-2209.
Pérez-Vich B, Fernández-Martínez JM, Grondona M, Knapp SJ, Berry ST (2002) Stearoyl-ACP and oleoyl-PC desaturase genes cosegregate with quantitative trait loci underlying high stearic and high oleic acid mutant phenotypes in sunflower.Theor. Appl. Genet. 104:338-349.
Yu JK, Mangor J, Thompson L, Edwards KJ, Slabaugh MB, Knapp SJ (2002) Allelic diversity of simple sequence repeat markers among elite inbred lines in cultivated sunflower. Genome 45: 652-660
Katengam S, Crane JM, Knapp SJ (2001) The development of a genetic map for meadowfoam comprised of amplified fragment length polymorphisms.Theor. Appl. Genet. 104: 92-96.
Katengam S, Crane JM, Knapp SJ (2001) Genetic mapping of a macromutation and quantitative trait loci underlying fatty acid composition differences in meadowfoam oil.Crop Sci. 41: 1927-1930.
Gelid MA, Berry SK, Jones R, Leon A, Wye C, Peleman J, Knapp SJ (2001) An integrated RFLP-AFLP linkage map for cultivated sunflower.Genome 44: 213-221.
Cheers MT, Crane JM, Miller JF, Knapp SJ (2000) Genetic distance as a predictor of heterosis and hybrid performance in sunflower.Theor. Appl. Genet. 100: 889-894.
Cheers MT, Miller JF, Knapp SJ (1999) Donor inbred lines for enhancing the performance of elite single-cross hybrids in sunflower.Crop Sci. 39: 1325-1331.
Knapp SJ, Crane JM(1999) The development of meadowfoam as an industrial oilseed:breeding challenges and germplasm resources.In J. Janick (ed.).pp. 225-233.Proceedings of the Fourth National Symposium on New Crops.Wiley, New York.
Keller DP, Goodrum JW, Knapp SJ (1999) Fuel properties of oil from a genetically altered Cuphea viscosissima.Indus. Crop Prod. 9: 85-91.
Knapp SJ, Crane JM (1998) A dominant mutation affecting the erucic and dienoic acid contents of meadowfoam subspecies.Crop Sci. 38: 1541-1544.
Cheres M, Knapp SJ (1998) Ancestral origins and genetic diversity of cultivated sunflower:coancestry analysis of public germplasm sources.Crop Sci. 38: 1476-1482.
Hongtrakul V, Slabaugh MB, Knapp SJ (1998) A seed specific delta-12 oleate desaturase is duplicated, rearranged, and weakly expressed in high oleic sunflower lines.Crop Sci. 38: 1245-1249.
Knapp, S.J. and J.M. Crane (1997) The development of self-pollinated inbred lines of meadowfoam by direct selection in open-pollinated populations.Crop Sci. 37: 1770-1775.
Leonard JM, Slabaugh MB, Knapp SJ (1997) Cuphea wrightii thioesterases have unexpected broad specificities on saturated fatty acids.Plant Mol. Biol. 34: 669-679.
Hongtrakul V, Huestis G, Knapp SJ (1997) Amplified fragment length polymorphisms as a tool for DNA fingerprinting sunflower germplasm:genetic diversity among oilseed inbred lines.Theor. Appl. Genet. 95: 400-407.
Liu B-H, Knapp SJ, Birkes D (1997) Sampling distributions, biases, variances, and confidence intervals for genetic correlations.Theor. Appl. Genet. 36: 8-20.
Slabaugh MB, Huestis GM, Leonard J, Holloway JL, Rosato C, Hongtrakul V, Martini N, Toepfer R, Voetz M, Schell J, Knapp SJ (1997) Sequence-based genetic markers for genes and gene families:single-strand conformational polymorphisms for the fatty acid synthesis genes of Cuphea.Theor. Appl. Genet. 94: 400-408.
Ali MS, Knapp SJ (1996) Heterosis of Cuphea lanceolata single-cross hybrids.Crop Sci. 36: 278-284.
Ali MS, Knapp SJ (1996) Cytogenetics of Cuphea lanceolata interpopulation hybrids.Genome 38: 1148-1152.
Knapp SJ, Bridges WC, Holloway J, Liu B-H (1995) Mapping dominant markers using F2 matings.Theor. Appl. Genet. 91: 74-81.
Knapp SJ, Crane JM (1995) Fatty acid diversity of Section Inflexae Limnanthes.Industrial Crops Products 4: 219-227.
Crane JM, Tagliani LA, Knapp SJ (1995) Registration of self-fertile non-dormant Cuphea viscosissima x lanceolata germplasm.Crop Sci. 35: 1516-1517.
Crane JM, Tagliani LA, Knapp SJ (1995) Registration of four fatty acid mutant lines (VS-6-CPR-1, VS-6-CPR-4, VS-6-CPY-1, and VS-6-MYR-1) of Cuphea viscosissima Jacq.Crop Sci. 35: 1517.
Slabaugh MB, Tai H, Jaworski J, Knapp SJ (1995) Two cDNAs encoding beta-ketoacyl-ACP synthase III from C. wrightii.Plant Physiol. 108: 443-444.
Deavy ME, Fiddler TA, Liu B-H, Knapp SJ, Neale D (1995) An RFLP linkage map for loblolly pine based on a three-generation outbred pedigree.Theor. Appl. Genet. 88: 273-278.
Knapp SJ (1994) Selection using molecular marker indexes.In Proc. Second Plant Breeding Symposium of the Crop Sci. Soc. Amer. and Amer. Soc. Hort. Sci., Corvallis, Oregon., pp. 1-11.Amer. Soc. Hort. Sci., Alexandria, Virginia.
Crane JM, Webb DM, Tagliani LA, Knapp SJ (1994) Registration of a non-dormant population (LN-183) of Cuphea lanceolata Ait.Crop Sci. 34: 1423.
Knapp SJ (1994) Mapping quantitative trait loci.In R.L. Phillips and I.K. Vasil (ed.), pp. 58-96.DNA markers in plants.Kluwer, Dordrecht, the Netherlands.
Echt CS, Tidwell KK, Knapp SJ, Osborn TS, McCoy T (1994) Linkage mapping in diploid alfalfa.Genome 37: 61-71.
Slabaugh MB, Leanord JM, Huestis GM, Crane JM, Knapp SJ (1994) Genetic and biochemical studies of medium-chain fatty acid synthesis.In Proc. Eleventh Intl. Symp. Plant Lipids, Paris, France, pp. 1-4.Kluwer, Dordrecht, the Netherlands.
Hayes PM, Liu B-H, Knapp SJ, Chen F, Jones B, Blake T, Franckowiak J, Rasmussen D, Sorrels M, Ullrich SE, Wesenberg D, Kleinhofs A (1993) Quantitative trait locus effects and environmental interaction in a sample of North American barley germplasm.Theor. Appl. Genet. 87: 392-401.
Knapp SJ,Bridges WC, Liu B-H (1993) Mapping quantitative trait loci using nonsimultaneous and simultaneous estimators and hypothesis tests.In Beckmann, J.S. and T.S. Osborn (ed.), pp. 209-237.Plant genomes:Methods for genetic and physical mapping.Kluwer, Dordrecht, the Netherlands.
Kleinhofs A, Kilian A, Saghai Maroof MA, Biyashev RM, Hayes PM, Chen FQ, Lapitan N, Fenwick A, Blake TK, Kanazin V, Ananiev E, Dahlien L, Kudrna D, Bollinger J, Knapp SJ, Liu B-H, Sorrells M, Heun M, Fanckowiak JD, Hoffman D, Skadsen R, Steffens BJ (1993) A molecular, isozyme, and morphological map of the barley (Hordeum vulgare) genome.Theor. Appl. Genet. 86: 705-712.
Brandt T, Knapp SJ (1993) Gametic selection at fatty acid synthesis and allozyme marker loci and meiosis of Cuphea lanceolata x Cuphea viscosissima populations.Crop Sci. 33: 1138-1143.
Knapp SJ (1993) Modifying the seed oils of Cuphea–a new commercial source of caprylic, capric, lauric, and myristic acid.In S. MacKenzie and D. Taylor (ed.), pp. 142-154.Seed oils for the future.Amer. Oil Chem. Soc., Champaign, Illinois.
Holloway JL, Knapp SJ (1993) G-MENDEL 3.0:Software for the analysis of genetic markers and maps.pp. 1-130.Oregon State University, Corvallis.
Knapp, SJ (1992) Mapping quantitative trait loci using lines tested across environments.Proc. Intl. Biometric Congress, Hamilton, New Zealand.
Schoen CC, Hayes PM, Blake TK, Knapp SJ (1992) Gametophytic selection in a winter x spring barley cross.Genome 34: 918-922.
Webb DM, Knapp SJ, Tagliani LA(1992) An RFLP and allozyme linkage map of Cuphea lanceolata.Theor. Appl. Genet. 83: 528-532.
Knapp SJ, Tagliani LA (1991) Two medium-chain fatty acid mutants of C. viscosissima.Plant Breeding 106: 338-341.
Knapp SJ, Tagliani LA, Roath WR (1991) Fatty acid and oil diversity of Cuphea viscosissima:A source of medium-chain fatty acids.J. Am. Oil Chem. Soc. 68: 515-517.
Bridges WC, Knapp SJ, Cornelius PJ (1991) Standard errors and confidence interval estimators for expected selection response.Crop Sci. 31: 253-255.
Knapp SJ (1991) Mapping quantitative trait loci using molecular markers: multilocus estimators of backcross, recombinant inbred, and doubled haploid parameters.Theor. Appl. Genet. 81: 333-338.
Krueger SK, Knapp SJ (1991) Mating systems of Cuphea laminuligera and Cuphea lutea.Theor. Appl. Genet. 82: 221-226.
Webb DM, Knapp SJ (1991) Estimates of genetic parameters for oil yield of a Cuphea lanceolata population.Crop Sci. 31: 621-624.
Thompson AE, Dierig D, Knapp SJ, Kleiman R (1991) Variation in seed oil and fatty acid content within and among lauric-acid rich Cuphea species.J. Am. Oil Chem. Soc. 67: 611-617.
Knapp SJ, Tagliani LA, Liu BH (1991) Outcrossing rates of experimental populations of Cuphea lanceolata.Plant Breeding 106: 334-337.
Knapp SJ, Bridges WC, Birkes D (1990) Mapping quantitative trait loci using molecular marker linkage maps.Theor. Appl. Genet. 79: 583-592.
Krueger S, Knapp SJ (1990) Genetics of allozyme variation in Cuphea laminuligera and Cuphea lutea.J. Hered. 81: 351-358.
Knapp SJ(1990) Recurrent mass selection for reduced seed dormancy in Cuphea laminuligera and Cuphea lanceolata.Plant Breeding 104: 46-52.
Liu BH, Knapp SJ (1990) GMENDEL:A program for Mendelian segregation and linkage analysis of individual or multiple progeny populations using log-likelihood ratios.J. Hered. 81: 407.