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2012

42) Elhiti M, Yang C, Belmonte MF, Gulden RH & Stasolla C (2012) Trascriptional changes in antioxidant responses, hormone signaling and developmental processes evoked by the Brassica napus SHOOTMERISTEMLESS during in vitro embryogenesis.  Plant Physiology and Biochemistry 58:297-311.

41) Legere A, Shirtliffe SJ, Vanasse A & Gulden RH (201x) Extreme grain-based cropping systems: When herbicide-free weed management meets conservation tillage in northern climates. Weed Technology. (accepted Aug 2012)  Invited

40) Koscielny CB & Gulden RH (2012) Seedling root length in Brassica napus L is indicative of seed yield. Canadian Journal of Plant Science. 92:1229-1237.

39) Bagavathiannan MV, Begg GS, Gulden RH & Van Acker RC (2012) Modelling the dynamics of feral alfalfa populations and its management implications. PLoS ONE 7:e39440.



2011

38) Gulden RH, Lewis DW, Froese JC, Van Acker RC, Martens GB, Entz MH, Derksen DA & Bell LW (2011) The effect of rotation and in-crop weed management on the germinable weed seedbank after 10 years. Weed Science 59:553-561.

37) Bagavathiannan MV, Gulden RH & Van Acker RC (2011) The ability of alfalfa (Medicago sativa L.) to establish in a semi-natural habitat under different seed dispersal times and disturbance. Weed Science 59:314-320.

36) Vasiman I, Gulden RH, Flaten D & Entz, MH (2011) Blade roller – green manure interactions on N dynamics, weeds and organic wheat. Agronomy Journal 103:879-889.

35) Beckie HJ, Harker KN, Hall LM, Holm FA & Gulden RH (2011) Risk assessment of glyphosate resistance in western Canada. Weed Technology 25:159-164.

34) Bagavathiannan MV, Gulden RH & Van Acker RC (2011) Occurrence of escaped alfalfa populations along roadside habitats in southern Manitoba, Canada and their potential role in intraspecific gene flow. Transgenic Research 20:397-407.



2010

33) Elhiti M., Tahir M., Gulden RH, Khamiss K & Stasolla C (2010) Modulation of embryo-forming capacity in culture through the expression of Brassica genes involved in the regulation of the shoot apical meristem. Journal of Experimental Botany 61:4069-4085.

32) Gulden RH, Sikkema PH, Hamill AS, Tardif F & Swanton CJ (2010) Conventional vs. glyphosate-resistant cropping systems in Ontario: Multivariate and nominal trait-based weed community structure. Weed Science 58:278-288.

31) Bagavathiannan MV, Gulden RH & Van Acker RC (2010) The demography of feral alfalfa populations occurring in southern Manitoba, Canada: Implications for novel trait confinement. Environmental Science and Pollution Research 17:1448-1459.

30) Bagavathiannan MV, Julier B, Barre P, Gulden RH & Van Acker RC (2010) Genetic diversity of feral alfalfa (Medicago sativa L.) populations occurring in Manitoba, Canada and comparison with alfalfa cultivars: an analysis using SSR markers and phenotypic traits. Euphytica 173:419-432.


2009

29) Gulden RH, Sikkema PH, Hamill AS, Tardif F & Swanton CJ (2009) Conventional vs. glyphosate-resistant cropping systems in Ontario: Weed control, diversity, and yield. Weed Science 57:665-672.

28) Hart MM, Powell JR, Gulden RH, Levy-Booth DJ, Dunfield KE, Pauls KP, Swanton CJ, Klironomos JN & Trevors JT (2009) Detection of transgenic cp4 epsps genes in the soil food web.  Agronomy for Sustainable Development 29:497-501. 

27) Hart MM, Powell JR, Gulden RH, Dunfield KE, Pauls KP, Swanton CJ, Klironomos JN, Anuntes PM, Koch AM & Trevors JT (2009) Separating the effects of crop from herbicide on soil microbial communities in glyphosate-resistant corn. Pedobiologia 52:253-262. 

26) Powell JR, Levy-Booth DJ, Gulden RH, Asbil W, Campbell RG, Dunfield KE, Hamill A, Hart MM, Lerat S, Nurse RE, Pauls KP, Sikkema PH, Swanton CJ, Trevors JT & Klironomos JN (2009) Effects of genetically modified, herbicide-tolerant crops and their management on soil food web properties and crop litter decomposition. Journal of Applied Ecology 46:388-396.

25) Levy-Booth DJ, Gulden RH, Campbell RG, Powell JR, Klironomos JN, Pauls KP, Swanton CJ, Trevors JT & Dunfield KE (2009)  Roundup Ready soybean gene concentrations in field soil aggregate size classes. FEMS Microbioliology Letters 291:175-179.

24) Powell JR, Campbell RG, Dunfield KE, Gulden RH, Hart MM, Levy-Booth DJ, Klironomos JN, Pauls KP, Swanton CJ, Trevors JT & Anuntes PM (2009) Effect of glyphosate on the tripartite symbiosis formed by Glomus intraradices, Bradyrhizobium japonicum, and genetically-modified soybean. Applied Soil Ecology 41:128-136.


2008

23) Gulden RH, Lerat S, Blackshaw RE, Powell J, Levy-Booth D, Dunfield KE, Trevors JR, Pauls KP, Klironomos J & Swanton CJ (2008)  Factors affecting the presence and persistence of plant DNA in the soil environment in corn and soybean rotations. Weed Sci. 56:767-774.

22) Levy-Booth DJ, Campbell RG, Gulden RH, Hart MM, Powell JR, Klironomos JN, Pauls KP, Swanton CJ, Trevors JT & Dunfield KE (2008) Real-time polymerase chain reaction monitoring of recombinant DNA entry into soil from decomposing roundup ready leaf biomass. Journal of Agricultural and Food Chemistry 56:6339-6347.

21) Gulden RH, Warwick S & Thomas AG (2008) Biology of Canadian Weeds. 137. Volunteer canola Brassica napus L. and B. rapa L. Canadian Journal of Plant Science

88:951-996.

20) Swanton C, Mahoney K, Chandler K & Gulden R (2008) Integrated weed management – Knowledge based weed management systems. Weed Science 56:168-172.


2007

19) Lerat S, Gulden RH, Hart M, Powell J, England LS, Pauls KP, Swanton CJ,  Klironomos J & Trevors JR (2007) Quantification and persistence of recombinant DNA of Roundup Ready crops in an agricultural soil: a field study in a corn/soybean rotation. Journal of Agricultural and Food Chemistry 55:10226-10231.

18) Swanton CJ, Gulden RH & Chandler K (2008) A role for atrazine stewardship in corn.  Weed Science 56:168-172.

17) Levy-Booth DJ, Campbell RG, Gulden RH, Hart MM, Powell JR, Klironomos
JN, Pauls KP, Swanton CJ, Trevors JT & Dunfield KE (2007) Cycling of extracellular DNA in the soil environment. Soil Biology & Biochemistry 39:2977-2991.

16) Powell JR, Gulden RH, Hart MM, Campbell RG, Levy-Booth DJ, Dunfield KE, Pauls KP, Swanton CJ, Trevors JT & Klironomos JN (2007) Mycorrhizal and rhizobial colonization of genetically-modified and conventional soybeans. Applied and Environmental Microbiology 73:4365-4367.

15) Gulden RH, Levy-Booth DL, Campbell R, Powell JR, Hart MM, Trevors JR, Pauls KP, Klironomos JN & Swanton CJ (2007) An empirical approach to target DNA quantification in environmental samples using real-time polymerase chain reactions.  Soil Biology & Biochemistry 39:1956-1967.


2006 & before

14) Horvath D, Gulden R & Clay S (2006) Microarray analysis of velvetleaf (Abutilon theophrasti) impact on corn. Weed Science. 54:983-994.

13) Gulden RH, Lerat S, Hart MM, Powell JR, Trevors JT, Pauls KP, Klironomos JN & Swanton CJ (2005). Quantitation of transgenic plant DNA in leachate water: Real-time PCR analysis.  Journal of Agricultural and Food Chemistry. 53:5858-5865.

12) Willenborg CJ, May WE, Gulden RH , Lafond GP & Shirtliffe SJ (2005) Influence of wild oat relative time of emergence and density on tame oat yield loss, wild oat seed production, and wild oat contamination. Weed Science. 53:342-352.

11) Gulden RH, Chiwocha SDS, Abrams SR, McGregor DI, Kermode AR & Shirtliffe, SJ (2004) Response to ABA application and hormone profiles in Brassica napus seed in relation to secondary seed dormancy. Canadian Journal of Botany. 82:1618-1628.

10) Gulden RH, Thomas AG & Shirtliffe SJ (2004) Secondary dormancy, temperature, and seed burial depth regulate seedbank dynamics in B. napus. Weed Science. 52:382-388.

9) Gulden RH, Thomas AG & Shirtliffe SJ (2004) Relative contribution of genotype, seed size and environment to secondary dormancy potential in Canadian spring rape (Brassica napus). Weed Research. 44:97-106.

8) Willenborg C, Gulden RH, Johnson E & Shirtliffe S (2004) Germination characteristics of polymer coated canola seeds subjected to moisture stress at different temperatures. Agronomy Journal 95:786-791.  

7) Gulden RH, Thomas AG & Shirtliffe SJ (2003) Secondary seed dormancy prolongs persistence of volunteer canola (Brassica napus) in western Canada. Weed Science 51:904-913.

6) Gulden RH, Shirtliffe SJ & Thomas AG (2003) Harvest losses of canola (Brassica napus) cause large seedbank inputs. Weed Science 51:83-86.

5) Entz MH, Bullied WJ, Forster DA, Gulden R and Vessey JK (2001) Extraction of subsoil nitrogen by alfalfa, alfalfa-wheat, and perennial grass systems. Agronomy Journal 93:495-503.

4) Entz MH, Guilford R & Gulden R (2001) Crop yield and soil nutrient status on 14 organic farms in the eastern portion of the Northern Great Plains. Canadian Journal of Plant Science 81:351-354.

3) Gulden RH & Vessey JK (2000) Penicillium bilaii inoculation increases root-hair production in field pea. Canadian Journal of Plant Science 80:801-804.

2) Gulden RH & Vessey JK (1998) Low concentrations of ammonium inhibit specific nodulation (nodule number g-1 root DW) in soybean (Glycine max [L.] Merr.).  Plant and Soil 198:127-136.

1) Gulden RH & Vessey JK (1997) The stimulating effect of ammonium on nodulation in Pisum sativum L. is not long lived once ammonium supply is discontinued. Plant and Soil 195:195-205.