Chapter 14. C. Parker. 1977. Prediction of new weed problems, especially in the developing world. Pages 249-264. In: J. M. Cherrett, G. R. Sagar. Origins of Pest, Parasite, Disease and Weed Problems. The 18th Symposium of the British Ecological Society, Bangor, 12-14 April 1976, 413 pages.

Keywords: origins of weed problems, sudden genetic change, distribution, chemical selection, cultural selection, future changes, methods for prediction