International Symposia on Biological Control of Weeds

Volume III - 1973

Page	Title
3	Towards a science of biological control of weeds
15	Current studies on the entomofauna of cruciferous weeds in Poland
23	Biological control of Lantana in Australia
31	Studies on the biological control of aquatic weeds in The Netherlands
39	Insect enemies of aquatic weeds
49	Arthropods that stress waterhyacinth
61	Insects and other organisms associated with Hydrilla verticillata (L.f.) L.C. (Hydrocharitaceae) in Pakistan
67	Current emphasis in U.S. Department of Agriculture on biological control of weeds
75	The selection of effective agents for the biological control of weeds
89	The phytophagous insects attacking Sonchus spp. (Compositae) in Europe
97	Studies on the host specificity of Gastrophysa atrocyanea Mot. (Col.: Chrysomelidae), a potential biological control agent against Rumex obtusifolius L. (Polygonaceae) in Japan
111	Seasonal and regional variation in the success of organisms imported to combat skeleton weed Chondrilla juncea L. in Australia
119	The impact of the Cinnabar moth on ragwort in east and west Canada and its implication for biological control
127	Plant pathogens and the biological control of some important weeds occurring in the Mediterranean region
133	Utilization of phytopathogens as biocontrols for aquatic weeds
137	Xanthium rust as a possible biological control agent of bathurst and noogoora burrs in Australia