• Leafy spurge control with imidazolinone and sulfonylurea herbicides (abstract only) 

  Stougaard, R.N. (1991)

• Leafy spurge response to rate and time of application of imidazolinone herbicides (abstract only) 

  Masters, R.A. (1991)

• Enhancement of herbicide activity by Alternaria angustiovoidea (abstract only) 

  Jordahl, J.G. (1991)

• Control of leafy spurge with retreatments of picloram and 2,4-D LVE (abstract only) 

  Ferrell, M.A. (1991)

• Leafy spurge control in North Dakota - 1991 

  Christianson, Katheryn M. (1991)

• First-year results of leafy spurge control with sequential spring and fall herbicide applications (abstract only) 

  Beck, K. G. (1991)

• Comparison of restriction fragment length polymorphisms in the chloroplast DNA of five leafy spurge accessions (abstract only) 

  Nissen, S.J. (1991)

• Economic impact of leafy spurge infestations on North Dakota grasslands (abstract only) 

  Leistritz, F. Larry (1991)

• Chemical composition of leafy spurge and alfalfa at four growth stages 

  Kirby, D.R. (1991)

• Effect of temperature and sucrose concentration on hydroquinone toxicity in leafy spurge suspension culture cells (abstract only) 

  Hogan, M.E. (1991)

• Evaluating potential pathogens for biological control of leafy spurge (abstract only) 

  Yang, S.M. (1991)

• USDA, APHIS biological control of leafy spurge redistribution activity 1990 (abstract only) 

  Richard, R.D. (1991)

• Quarantine pass through activities and procedures for biological control agents of leafy spurge (abstract only) 

  Parker, Paul E. (1991)

• Leafy spurge propagation and herbicide-insect interaction for leafy spurge control (abstract only) 

  Mihelich, C.A. (1991)

• Laboratory colonies of Aphthona flava and Oberea erythrocephala fed on cell culture-based artificial diets 

  Hogan, M.E. (1991)

• The future of perennial weed control (abstract only) 

  Wyse, D.L. (1991)

• The biological control of leafy spurge: Past, present and future (abstract only) 

  Spencer, Neal R. (1991)

• Chemical control of leafy spurge (abstract only) 

  Lym, Rodney G. (1991)

• Aspects of the biology of leafy spurge (abstract only) 

  Biesboer, D.D. (1991)

• Great Plains Agricultural Council - 14Crops and Soils Committee: Leafy Spurge Task Force Meeting and Symposium 10-12 July 1991 

  Unknown author (1991)

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