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Third International Symposium |
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Third International Symposium |
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Part I. Opening Address
| Towards a science of biological control of weeds A. J. Wapshere |
3 |
Part II. Review of the present situation in various biological control studies
| Current studies on the entomofauna of cruciferous weeds in Poland J. J. Lipa, A. Studzinski & D. Malachowska |
15 | |
| Biological control of Lantana in Australia K. L. S. Harley |
23 | |
| Studies on the biological control of aquatic weeds in the Netherlands J. C. J. van Zon |
31 | |
| Insect enemies of aquatic weeds N. R. Spencer |
39 | |
| Arthropods that stress waterhyacinth B. D. Perkins |
49 | |
| Insects and other organisms associated with Hydrilla verticillata (L.f.) L. C.
(Hydrocharitaceae) in Pakistan G. M. Baloch & Sana-Ullah |
61 | |
| Current emphases in U. S. Department of Agriculture on biological control of weeds W. B. Ennis, Jr. |
67 |
| The selection of effective agents for the biological control of weeds P. Harris |
75 |
| The phytophagous insects attacking Sonchus spp. (Compositae) in
Europe D. Schoeder |
89 | |
| Studies on the host specificity of Gastrophysa atrocyanea Mot. (Col.
Chrysomelidae), a potential biological control agent against Rumex obtusifolius L.
(Polygonaceae) in Japan M. Miyazaki & A. Naito |
97 |
| Seasonal and regional variation in the success of organisms imported to
combat skeleton weed Chondrilla juncea L. in Australia J. M. Cullen |
111 | |
| The impact of the Cinnabar moth on ragwort in east and west Canada and its implication
for biological control P. Harris |
119 |
| Plant pathogens and the biological control of some important weeds
occurring in the Mediterranean region S. Hasan |
127 | |
| Utilization of phytopathogens as biocontrols for aquatic weeds T. E. Freeman, F. W. Zettler & R. Charudattan |
133 | |
| Xanthium rust as a possible biological control agent of bathrust and noogoora
burrs in Australia S. Hasan |
137 |