V International Symposium |
| Preface | iii |
| Table of Contents | v |
| Section 1. Principles and Application | 1 |
| Lessons from early attempts at biological control of weeds in Queensland W.H. Haseler |
1 | |
| Conflicting interests and the biological control of weeds L.A. Andres |
3 | |
| Aspects of weed biology important to biological control J.J. Burdon, D. R. Marshall and R.H. Groves |
21 | |
| The management of Salvinia molesta in Papua New Guinea D. S. Mitchell |
31 | |
| Growth of Salvinia molesta as affected by nutrition and
water temperature Peter R. Cary and Peter G. J. Weerts |
35 | |
| Stress as a strategy in the biological control of weeds (abstract) Peter Harris |
47 | |
| Aquatic weed control-a plea for appropriate technology for the third world J. L. Gnanarethinam |
49 | |
| International activity in biological control of weeds: patterns,
limitations and needs Robert W. Pemberton |
57 |
| Section 2. Exploration and Discovery | 73 |
| Recent thoughts on exploration and discovery for biological control of
weeds A. J. Wapshere |
75 | |
| Importance of geographic variation in agents selected for biological
control of weeds D. P. A. Sands and K. L. S. Harley |
81 | |
| Genetic and phenotypic variability, genetic variance, and the success of
establishment of insect introductions for the biological control of weeds Judith H. Meyers and Michael D. Sabath |
91 | |
| Optimal sampling strategies in the biological control of weeds D. R. Marshall, J. J. Burdon and A. J. D. Brown |
103 | |
| Biogeography, apparency and exploration for biological control agents in exotic ranges
of weeds P. M. Room |
113 | |
| Exploration for biotic agents for the control of Rumex crispus Neal R. Spencer |
125 | |
| Studies on some natural enemies of puncturevine Tribulus terrestris occurring
in Karnataka State, India T. Sankaran and G. Ramaseshiah |
153 | |
| Phytophages associated with Acaca nilotica in Pakistan and possibilities of
their introduction into Australia A. I. Mohyuddin |
161 | |
| Progress in the exploration for biological control agents for Salvinia molesta I. W. Forno |
167 | |
| Prognosis of biological control of weeds of southwestern U. S. rangelands C. Jack DeLoach |
175 | |
| Hyperparasites: an option for the biocontrol of weeds P. J. McFadyen |
201 |
| Section 3. Quality Control in Rearing | 205 |
| * Some aspects of quality and quality control of biological control agents
during insectary propagation M. Mackauer |
207 | |
| * Impact of diseases on insects and procedures for detecting and eliminating them from
cultures prior to release for biological control Considerations in rearing Bradyrrboa
gilveolella for control of Chondrilla juncea in Australia J. M. Cullen |
233 | |
| Entomopathogens associated with insects used for biological control of weeds P. H. Dunn and L. A. Andres |
241 |
| Section 4. Use of the Grass Carp in Aquatic Weeds Control | 247 |
| * Status of the use of grass carp (Ctenopharyngodon idella Val.) J. C. J. van Zon |
249 | |
| *Aquatic weed control in irrigation and drainage canals in Egypt by means of grass
carp (Ctenopharyngodon idella) F. A. A. Dubbers, S. Ghoneim, M. E. Siemilink, A. el Gharably, A. H. Pieterse, and J. E. Blom |
||
| * Grass carp for Australiaa fisheries viewpoint D. E. Buckmaster |
273 | |
| Food preference and growth of grass carp, Ctenopharyngodon idella, and hybrid
carp, C. idella, female x Aristichthys nobilis male R. V. Kilambi and A. Zdinak |
281 | |
| * The use of grass carp for control of aquatic vegetation in Arkansas Scott Henderson |
287 |
| Section 5. The Use of Pathogens | 291 |
| *Biological control of weeds with plant pathogens. Prospectus1980 T. E. Freeman and R. Charudattan |
293 | |
| Response of safflower cultivars to Puccinia jaceae collected from diffuse
knapweed in eastern Europe A. K. Watson and I. Alkhoury |
301 | |
| Evaluation of Fusarium roseum "Culmorum" as a biological control for Hydrilla
verticillata: safety= R. Charudattan, T. E. Freeman, R. E. Cullen, and F. M. Hofmeister |
307 | |
| Mortality of Canada thistle due to Puccinia punctiformisI A. K. Watson and W. J. Keogh |
325 | |
| Present status and prospects of the program in Europe for the microbiological control
of giant ragweed, Ambrosia trifida (Compositae) (abstract) S. W. T. Batra |
341 |
| Section 6. Evaluation | 343 |
| * Evaluating biocontrol of weeds projects P. Harris |
345 | |
| Santa Cruz Islandrevisited. Sequential photography records the
causation, rates of progress, and lasting benefits of successful biological weed control R. D. Goeden and D. W. Ricker |
355 | |
| Release of Tucumania tapiacola (Lepidoptera: Pytalidae) in South
Africa against Opuntia aurantiaca: the value of detailed monitoring J. H. Hoffman |
367 | |
| The role of imported natural enemies in suppressing re-growth of prickly
pear, Opuntia ficus-indica, in South Africa H. G. Zimmermann and D. E. Malan |
375 | |
| The biological control of Opuntia aurantiaca in South America: evaluation and
emerging control strategies V. C. Moran |
383 | |
| Northanguina phyllobia, a nematode biocontrol of silverleaf nightshade C. C. Orr |
389 | |
| Biological control and its effect on production and survival of waterhyacinth leaves Ted D. Center |
393 | |
| Defoliation pressure index: a tool for biological control of weeds K. Nakano |
411 | |
| Selection of effective biological control agents from artificial defoliation insect
cage experiments John A. Winder and H. F. van Emden |
415 | |
| Compatibility of Rhyinocyllus conicus, Trichosirocalus borridus
and 2, 4-D for Carduus thistle control L. T. Kok |
441 | |
| Seed and stem weevils of puncturevine: a comparative study of impact, interaction, and
insect strategy D. M. Makkox |
447 |
| Section 7. Reports | 469 |
| Studies of some potential biocontrol agents for Parthenium
bysterophorus in Mexico A. S. McClay |
471 | |
| Biological control of moisture stressed Opuntia aurantiaca using Dactylopius
austrinus J. R. Hosking and P. J. Deighton |
483 | |
| The present status of the biological control of Cordia curassavica
in Malaysia S. H. Ung and A. Yunus |
489 | |
| Preliminary observations on Longitarsus jacobaeae introduced for
the control of ragwort in Australia J. M. Cullen and A. D. Moore |
499 | |
| A discussion of the limited establishment of Perapion antiquum and
a review of the current status of biological control of Emex spp. in Australia M. H. Julien |
507 | |
| Interactions of field populations of indigenous egg predators, imported Microlarinus
weevils, and puncturevine in southern California R. D. Goeden and R. L. Kirkland |
515 | |
| Biological control of water hyacinth in Australia A. D. Wright |
529 | |
| European organisms of interest for the biological control of Convolculus
arvensis in the United States S. S. Rosenthal |
537 | |
| New activities in biological control of weeds in Australia. II. Echium
plantagineum: Curse or Salvation? Ernest S. Delfosse and J. M. Cullen |
563 | |
| New activities in biological control of weeds in Australia. III. St. Johns wort:
Hypericum perforatum Ernest S. Delfosse and J. M. Cullen |
575 | |
| Control of aquatic Alternanthera philoxeroides in Australia: another success
for Agasicles hygrophila M. H. Julien |
583 | |
| Biological control of Harrissia cactus, Eriocereus martinii, in Queensland by
the mealybug, Hypogeoccoccus festerianus R. E. McFadyen and A. J. Tomley |
589 | |
| Impact of grasshoppers on the rush skeletonweed gall midge in southwestern Idaho J. L. Littlefield and W. F. Barr |
595 | |
| The biological control of Patersons curse, Echium plantagineum: Northern
Hemisphere studies A. J. Wapshere |
599 | |
| Ragwort, Senecio jacobaea, in Victoria and renewed attempts to establish the
Cinnabar moth, Tyria jacobaeae, for its control L. Schmidl |
603 | |
| Current status of prickly pear control by Cactoblastis cactorum in Queensland G. G. White |
609 |
| Section 8. Poster Displays | 617 |
| Research on biological control of blackberry and ragwort,
Department of Crown Lands and Survey, Victoria (abstract) R. L. Amor |
619 | |
| Biological control of weeds with fungal plant pathogens (abstract) R. Charudattan |
621 | |
| Biological control of tansy ragwort in the State of Oregon, U. S. A. Robert B. Hawkes |
623 | |
| A computer-assisted method for the storage retrieval and analysis of
biological field data Neal R. Spencer, Suzanne Geist Rosenthal, and Niklaus Hostettler |
627 | |
| Progress report on biological control of nodding thistle (Carduus
nutans) in New Zealand C. T. Jessep |
635 | |
| Biological control of weeds in South Africa (abstract) D. P. Annecke and S. Neser |
639 | |
| List of Participants | 641 | |
| Symposium Photograph | 648 |
| * Invited address |