
March 1999, Volume 20 No. 1
Conference
Reports
Water Hyacinth Working Group
The first global working group
meeting for the biological and integrated control of water hyacinth under the auspices of
the International Organisation for Biological Control (IOBC) was held at St Lucia Park,
Harare, Zimbabwe on 16-19 November 1998. This meeting was attended by 47 delegates from 20
countries, including Argentina, USA, United Kingdom, Australia, Papua New Guinea, China
and India. The majority of the delegates were from Africa, and South Africa, Angola,
Zimbabwe, Zambia, Malawi, Uganda, Kenya, Tanzania, Côte d'Ivoire, Benin, Nigeria, Burkina
Faso and Egypt were represented.
The workshop was divided into
five sessions during which 20-minute oral papers were presented. Topics covered included
the implementation and post-release evaluation of natural enemies, research into new
natural enemies for water hyacinth and the need for an integrated approach to the control
of the weed. The water hyacinth problem on Lake Victoria was the focus of much discussion
and it was encouraging to note that not only is the biological control of water hyacinth
well underway in this region, but also that it is achieving good results. There were a
number of reports from countries where biological and integrated control of water hyacinth
is being implemented and also from Burkina Faso and Angola where biological control
programmes have recently been initiated. During the workshop there was a field trip to
Lake Chivero just outside Harare where an integrated control programme with the emphasis
on biological control has been successful.
It was evident from the meeting
that there is a need for a globally coordinated effort on water hyacinth, which would
prevent the costly replication of research. To this end, a water hyacinth clearinghouse
was proposed to facilitate access to scientific, socio-economic and technical information
globally.
The proceedings of this meeting
are to be published shortly. The second global working group for the biological and
integrated control of water hyacinth is to be held in China in 2000.
By: Martin Hill, ARC, PPRI,
Private Bag X 134, Pretoria,
South Africa, 0001
Email: Rietmh@Plant2.Agric.za
Fax: +27 12 3293278
Invertebrate Pathology
The VIIth International Colloquium on Invertebrate Pathology and Microbial Control and
the IVth International Conference on Bacillus thuringiensis held in Sapporo, Japan on
23-28 August 1998 were attended by some 400 delegates. The conference was divided into
topic sections: Bacillus thuringiensis (Bt), viruses, nematodes, fungi, microbial control,
bacteria, microsporidia, marine invertebrates, entomophorales, insect immune system and
insect cell culture.
The conference started with the Founder's
Memorial Lecture: `Karl Maramorosch: great leader of invertebrate tissue culture and
pathology'. The honouree, Professor Maramorosch (State University of New Jersey, USA), who
is now in his eighties, attended the conference and is still very active in the field of
virology. The Memorial Lecture considered Professor Maramorosch's extraordinary life and
his role as an exceptional scientist in the field of virology.
A symposium was held on `Biology and
Utilization of an Entomogenous Fungal Genus Cordyceps' which included a presentation by
Professor Mitsuaki Shimazu from the Forestry and Forest Products Research Institute, Japan
on the use of Cordyceps militaris to control beech caterpillar, Quadricalcarifera
punctatella. Another interesting paper was presented by Professor Sung of the Republic of
Korea in which he described Cordyceps found in Korea, and talked about mass production of
artificial fruiting bodies in potato dextrose broth with silkworm pupae on unpolished
rice.
A microbial control symposium entitled
`Microbial Insecticides: Novelty or Necessity?' was well attended. This session
concentrated on the successes and failures of microbial insecticides in different uses.
Dr. H. Evans, from Forest Research, UK, highlighted the need to understand the life cycle
of the organism before relevant control could be successful. Dr. T Jackson, from
AgResearch, New Zealand, had looked at controlling soil pests and related problems which
has led to recommendations that co-evolved organisms are probably the most suitable for
controlling such pests. Dr. Jackson also emphasized the importance of looking at economic
production, delivery systems and securing a suitable market niche, which can be very
variable.
Overall, the conference was very interesting
and stimulating and proved of value to students and scientists alike.
By: Belinda Luke, CABI Bioscience UK Centre
(Ascot)
OECD Safety Workshop
The following is a brief résumé of the
issues identified with the appropriate recommendations.
- Sustainable pest management: governments
should exercise leadership in developing policies and programmes that support biological
control as a key component of sustainable pest management.
- Harmonization: with limited resources, small
profit margins and restricted markets for biological control products, every effort should
be made to facilitate their registration through global harmonization of appropriate
regulatory requirements.
- Cooperation and information exchange: member
countries should promote and facilitate cooperation between all the parties concerned,
both nationally and internationally, to meet societal needs for sustainable pest
management. This should include the establishment of databases on taxonomy, biosafety,
safety management and monitoring.
- Education, communication and public
confidence: governments should facilitate the participation of all stakeholders in
ensuring that biological control is properly understood, promoted and implemented
- Funding for biological control: governments
should ensure that adequate funding is available to establish and maintain core
competence, as well as the databases and links necessary for research and implementation
of biological control, and that sustainability is a key criterion for application of
public-good funding for pest management.
By: H. C. Evans, CABI Bioscience UK Centre
(Ascot)
Contact: Dr Heikki Hokkanen,
OECD Directorate for Agriculture,
2 Rue André-Pascal,
75775 Paris Cedex 16, France
Email: heikki.hokkanen@oecd.org
Fax: +33 1 45 24 78 34
Dr Robert Trottier, IPM Associates,
81 Tadoussac, Aylmer, Quebec,
Canada J9J 2M9
Email: ipmcanada@videotron.ca
Fax: +1 819 772 1997
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