PUBLICATIONS
Dr. Francois Tardif
Refereed Articles
58. Ashigh, J., Corbett, C.A.L, Smith P. J., Laplante, J., and Tardif, F. J. (2009) Characterization and diagnostic tests of resistance to acetohydroxyacid synthase inhibitors due to an Asp376Glu substitution in Amaranthus powellii. Pesticide Biochemistry and Physiology (DOI: 10.1016/j.pestbp.2009.06.002)
57. Ashigh, J, and Tardif, F.J. (2009) An amino acid substitution at position 205 of acetohydroxyacid synthase reduces fitness under optimal light in resistant populations of Solanum ptychanthum. Weed Research (DOI:10.1111/j.1365-3180.2009.00717x)
56. Laplante, J., Rajcan, I., and Tardif, F.J. (2009) Multiple allelic forms of acetohydroxyacid synthase are responsible for herbicide resistance in Setaria viridis. Theoretical and Applied Genetics. (DOI 10.1007/s00122-009-1067-5)
55. Kaastra, A. C., Swanton C. J., Tardif F. J. and Sikkema, P. H. (2008) Two-way performance interactions among HPPD- and ALS-inhibiting herbicides. Weed Science 56: 841–851
54. Corbett, C.A.L and Tardif F.J. (2008) Detection of resistance to acetohydroxyacid synthase inhibitors in Amaranthus sp. using DNA polymorphisms. Pesticide Biochemistry and Physiology 92: 48-55
53. Elford, E. M. A., Tardif, F. J., Robinson, D., and Lyons, E. M. (2008) The effect of perennial ryegrass overseeding on weed suppression and sward composition. Weed Technology 22: 231-239.
52. Ashigh, J., Rajcan, I., and Tardif, F. J. (2008). Genetics of resistance to acetohydroxyacid synthase inhibitors in populations of eastern black nightshade (Solanum ptychanthum) from Ontario. Weed Science 56:210-215.
51. Ashigh, J. and Tardif, F. J. (2007) An Ala205Val substitution in acetohydroxyacid synthase of Eastern black nightshade (Solanum ptychanthum) reduces sensitivity to herbicides and feedback inhibition. Weed Science 55:558-565
50. Beckie, H. J., Hall, L. M., Tardif, F. J., and Séguin-Swartz, G. (2007) Acetolactate synthase inhibitor-resistant stinkweed (Thlaspi arvense L.) in Alberta. Canadian Journal of Plant Science 87:965-972.
49. Nurse, R. E., Hamill, A. S., Swanton, C. J., Tardif, F. J., and Sikkema, P. H. (2007) Weed control and yield response to foramsulfuron in corn (Zea mays). Weed Technology 21:453-458.
48. Nurse, R. E., Hamill, A. S., Swanton, C. J., Tardif, F. J., Deen, W., and Sikkema, P. H. (2007) Is the application of a residual herbicide required prior to glyphosate application in no-till glyphosate-tolerant soybean (Glycine max)? Crop Protection. 26:484-489 (doi:10.1016/j.cropro.2006.04.018.)
47. Nurse, R. E., Swanton, C. J., Tardif, F. J., and Sikkema, P. H. (2006) Weed control and yield are improved when glyphosate is preceded by flufenacet plus metribuzin in glyphosate-tolerant corn (Zea mays). Crop Protection 25:1174-1179 (doi:10.1016/j.cropro.2006.02.015)
46. Costea, M., Brenner, D. M., Tardif, F. J., Tan, Y. F., and Sun, M. (2006) Delimitation of Amaranthus cruentus L. and Amaranthus caudatus L. using micromorphology and AFLP analysis: an application in germplasm identification. Genetic Resources and Crop Evolution 53:1625-1633 (doi 10.1007/s10722-005-0036-3)
45. Corbett, C. L. and F.J. Tardif. (2006) Detection of resistance to acetolactate synthase inhibitors in weeds with emphasis on DNA based techniques. Pest Management Science 62:584-597.
44. Ashigh, J. and F.J. Tardif. (2006) ALS-inhibitor resistance in populations of eastern black nightshade (Solanum ptycanthum) from Ontario. Weed Technology 20:308-314.
43. Tardif, F. J., I. Rajcan, and M. Costea. (2006) A mutation in the herbicide target site acetohydroxyacid synthase produces morphological and structural alterations and reduces fitness in Amaranthus powellii. New Phytologist 169:251-264
42. Costea, M. and F.J. Tardif. (2006) The biology of Canadian weeds. 133. Cuscuta campestris Yuncker, C. gronovii Willd. ex Schult., C. epithymum (L.) L. and C. epilinum Weihe. Canadian Journal of Plant Science 85:293-316.
41. Costea, M., G.L. Nesom and F.J. Tardif. (2005) Taxonomic status of Cuscuta nevadensis and Cuscuta veatchii (Convolvulaceae) in North America. Brittonia 57:264–272
40. Costea, M, S.E. Weaver and F.J. Tardif. (2005) The biology of invasive alien plants in Canada. Amaranthus tuberculatus (Moq.) Sauer var. rudis (Sauer) Costea & Tardif. Canadian Journal of Plant Science 85: 507-522
39. Costea, M. and F.J. Tardif. (2005) The biology of Canadian weeds. Polygonum aviculare L. Canadian Journal of Plant Science 85: 481-506
38. McNaughton, K. E., J. Letarte, E.A. Lee and F.J. Tardif. (2005) Mutations in ALS confer herbicide resistance in redroot pigweed (Amaranthus retroflexus) and Powell amaranth (Amaranthus powellii). Weed Science 53:17-22
37. Costea, M. and F.J. Tardif. (2005) Taxonomy of the Polygonum douglasii (Polygonaceae) complex and a new species from Oregon. Brittonia, 57:1-27.
36. Costea, M., F.J. Tardif and V.L. Harms. (2004) Cuscuta indecora Choisy (Convolvulaceae) new for Canada. Sida 21:1229
35. Costea, M. and F.J. Tardif. (2004) Cuscuta (Convolvulaceae)-The strength of weakness: a history of its name, uses and parasitism concept during ancient and medieval times. Sida 21:369-378.
34. Costea, M., S.E. Weaver and F.J. Tardif. (2004) The biology of Canadian weeds. 130. Amaranthus retroflexus L., A. powellii S. Watson and A. hybridus L. Canadian Journal of Plant Science 84:631-668.
33. Hamill, A. S., S.E. Weaver, P.H. Sikkema, C.J. Swanton, F.J. Tardif and G.M. Ferguson. (2004) Benefits and risks of economic versus efficacious approaches to weed management in corn (Zea mays) and soybean (Glycine max). Weed Technology 18:723-732.
32. Costea, M. and F.J. Tardif. (2003) The biology of Canadian weeds. 126. Amaranthus albus L., A. blitoides S. Watson and A. blitum L. Canadian Journal of Plant Science 83:1039-1066
31. Costea, M., and F.J. Tardif. (2003) Conspectus and notes on the genus Amaranthus in Canada. Rhodora 105: 260-281.
30. Costea, M., F.J. Tardif and D.M. Brenner. (2003) The identity of a cultivated Amaranthus from Asia and a new nomenclatural combination. Economic Botany 57: 646-649.
29. Costea, M. and F.J. Tardif. (2003) Polygonum aviculare subsp. rurivagum (Polygonaceae) in North America. Sida 20: 1709-1711.
28. Costea, M. and F.J. Tardif. (2003) Does Polygonum patulum (Polygonaceae) grow in North America? Sida 20: 1707-1708.
27. Costea, M. and F.J. Tardif. (2003) Typification, taxonomy and a new subspecies of Polygonum sawatchense (Polygonaceae) from North America. Sida 20: 1631-1640.
26. Cowbrough, M. J., Brown, R. B. and Tardif, F. J. (2003) Impact of common ragweed aggregation on economic thresholds in soybean. Weed Science 51:947-954.
25. Costea, M., and F. J. Tardif. (2003) Koenigia islandica (Polygonaceae) new for Utah. Sida 20:1317.
24. Costea, M., F. J. Tardif. (2003) Polygonum douglasii subsp. johnstonii new for Canada. Sida 20:1315-1316.
23. Costea, M. and F. J. Tardif. (2003) The name of the Amaranth: histories of meaning. Sida 20: 1071-1081.
22. Costea, M. and F.J. Tardif. (2003) Nomenclatural changes in the genus Polygonum section Polygonum (Polygonaceae). Sida 20: 987-997.
21. Costea, M. and F.J. Tardif. (2003) The bracteoles in Amaranthus (Amaranthaceae): their morphology, structure, function and taxonomic significance. Sida 20: 969-985.
20. Diebold, R. S., K.E. McNaughton, E.A. Lee and F.J. Tardif. (2003) Multiple resistance to imazethapyr and atrazine in Powell amaranth. Weed Science 51:312-318.
[+] Archived Refereed Articles (2002 & earlier)
19. Costea, M. and F.J. Tardif. (2002) Taxonomy of the most common weedy European Echinochloa species (Poaceae: Panicoideae) with special emphasis on characters of the lemma and caryopsis. Sida 20: 525-548.
18. Ferguson, G. M., A.S. Hamill, and F.J. Tardif. (2001) ALS-inhibitor resistance in populations of Amaranthus powellii and Amaranthus retroflexus. Weed Science 49:448-453.
17. Goudy, H. J., K.A. Bennett, R.B. Brown and F.J. Tardif. (2001) Evaluation of site-specific weed management using a direct injection sprayer. Weed Science 49:359-366.
16. Forthoffer, N., C. Helvig, N. Dillon, I. Benveniste, A. Zimmerlin, F.J. Tardif and J.-P. Salaün. (2001) Induction and inactivation of a cytochrome P450 confering herbicide resistance in wheat seedlings. European Journal of Drug Metabolism and Pharmacokinetics 26: 9-16.
15. Hamill, A. S., S.Z. Knezevic, K. Chandler, P.H. Sikkema, F.J. Tardif, A. Shrestha and C.J. Swanton. (2000) Weed control in glufosinate tolerant corn (Zea mays). Weed Technology 14:578-585.
14. Sikkema, P. H., S.Z. Knezevic, F.J. Tardif, A.S. Hamill, K. Chandler and C.J. Swanton. (1999) Biologically effective dose and selectivity of SAN1269H (BAS 662H) for weed control in corn (Zea mays L.). Weed Technology 13:283-289.
13. Tardif, F. J. and S.B. Powles. (1999) Effect of malathion on resistance to soil-applied herbicides in a population of rigid ryegrass (Lolium rigidum) Weed Science 47:258-261.
12. Knezevic, S. Z., P.H. Sikkema, F.J. Tardif, A.S. Hamill, K. Chandler and C.J. Swanton. (1998) Biologically effective dose and selectivity of RPA-201770 for pre-emergence weed control in corn (Zea mays L.). Weed Technology 12:670-676
11. Helvig, C., F.J. Tardif, A. Seyer, S.B. Powles, C. Mioskowski, F. Durst and J.-P. Salaün. (1996) Selective inhibition of a cytochrome P450 enzyme in wheat that oxidises both the natural substrate lauric acid and the synthetic herbicide diclofop. Pesticide Biochemistry and Physiology 54:161-171.
10. Preston, C., F.J. Tardif, J.T. Christopher and S.B. Powles. (1996) Multiple resistance to dissimilar herbicide chemistries in a biotype of Lolium rigidum due to enhanced activity of several herbicide degrading enzymes. Pesticide Biochemistry and Physiology 54:123-134.
9. Tardif, F.J., C. Preston, J.A.M. Holtum and S.B. Powles. (1996) Resistance to acetyl coenzyme A inhibiting herbicides endowed by a single major gene encoding a resistant target site in a biotype of Lolium rigidum. Australian Journal of Plant Physiology 23:15-23.
8. Tardif, F.J. and S.B. Powles. (1994) Herbicide multiple resistance in a Lolium rigidum biotype is endowed by multiple mechanisms: isolation of a subset with resistant acetyl-CoA carboxylase. Physiologia Plantarum 91: 488-494.
7. Tardif, F.J. and G.D. Leroux. (1993) Translocation of glyphosate, quizalofop and sucrose in quackgrass (Elytrigia repens) biotypes. Weed Science 41: 341-346.
6. Tardif, F.J., J.A.M. Holtum and S.B. Powles. (1993) Occurrence of a herbicide-resistant acetyl-coenzyme A carboxylase mutant in annual ryegrass (Lolium rigidum) selected by sethoxydim. Planta 190: 176-181.
5. Tardif, F.J. and G.D. Leroux. (1992) Response of three quackgrass biotypes to nitrogen fertilization. Agronomy Journal 84: 366-370.
4. Tardif, F.J. and G.D. Leroux. (1991) Variability of quackgrass (Agropyron repens (L.) Beauv.) biotypes in Québec. Phytoprotection 72: 115-121.
3. Tardif, F.J. and G.D. Leroux. (1991) Translocation of glyphosate and quizalofop and metabolism of quizalofop in quackgrass biotypes (Elytrigia repens). Weed Technology 5: 525-531.
2. Tardif, F. J. and G.D. Leroux. (1991) Response of quackgrass biotypes to glyphosate and quizalofop. Canadian Journal of Plant Science 71: 803-810.
1. Tardif, F. J. and G.D. Leroux. (1990) Rhizome bud viability of quackgrass (Elytrigia repens) treated with glyphosate and quizalofop. Weed Technology 4: 529-533.