Volume 11 Supplement 2, 1996

Thistle management workshop

Preface.

231

Aspects of thistle population dynamics with reference to Onopordum. W.J. Pettit, D.T. Briese and A. Walker.

232

The demography of Carduus nutans as a native and an alien weed. T.L. Woodburn and A.W. Sheppard.

236

Necessary background for studies in the taxonomy of Onopordum in Australia. P.W. Michael.

239

Longevity of soil based seeds of Onopordum illyricum. C.J. Allan. and P.J. Holst.

242

Impact of seed reducing natural enemies on weediness of thistles. A.W. Sheppard.

243

Ecology of Cirsium vulgare and Silybum marianum in relation to biological control. E. Bruzzese.

245

The contribution of biological control to the management of thistles. T.L. Woodburn and D.T. Briese.

250

Potential of native pathogens for control of saffron thistle. N.S. Crump, G.J. Ash and A. Nikandrow.

254

The use of pathogens native to Europe to control thistles in southern Australia. R.H. Groves and J.J. Burdon.

256

The potential of the fungus Sclerotinia sclerotiorum as a biological herbicide for controlling thistles in pasture. G.W. Bourdôt and I.C. Harvey.

259

Estimating the impact of control efforts: models of population dynamics. K. Shea.

263

Interference between pasture plants and thistles—a review. G.W. Bourdôt.

265

Targeted grazing of thistles using sheep and goats. P.J. Holst and C.J. Allan.

271

Herbicide management and thistle control—how to avoid resistance. K.C. Harrington.

273

Herbicide techniques for thistle management. J.J. Dellow.

276

The relevance of variation in thistles to herbicidal control. J.R. Peirce.

277

Practical problems with existing thistle control: Where is more research needed? D. Minehan.

279

Thistle control: A farmer perspective. J. McGufficke.

281

Landholder attitudes to Onopordum thistles and their control: A preliminary view. D.T. Briese.

281

Overview of thistle management in Australia. B.M. Sindel.

285

Workshop outcomes – a blueprint for research into the management of thistles. D.T. Briese, T.L. Woodburn, D. Kemp and S. Corey.

290