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Department
of Plant Pathology
Prosser,
Washington
Ekaterini
Riga
Assistant
Professor & Cooperative
Extension Specialist
WSU
Prosser
24106 N. Bunn Road
Prosser, WA 99350-9687
Tel:
509-786-9256
Fax: 509-786-9370
E-mail: riga@wsu.edu |
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Assistant Professor and Extension Nematologist
(71%
research, 20% extension and 9% teaching), 2002-Current
Adjunct Professor, Biology Department, Brock U., St. Catharines,
ON, Canada, 1997-Current
Research Scientist, Agriculture & Agri-Food Canada, ON,
Canada, 1996-2001.
Postdoctoral Fellow, Centre Plant Biochem. & Biotech., U.
of Leeds, Leeds, UK, 1995-1996
Postdoctoral Fellow, Nematology & Entomology Department,
IACR-Rothamsted, Harpenden, Herts, UK / Institute of Biological
Sciences, University of Wales, Aberystwyth, UK., 1992-1995
Ph.D. Biology, SFU, Burnaby, BC, Canada. Invertebrate Zoology/
Nematology. Thesis: Multifaceted approach for differentiating
isolates of Bursaphelenchus xylophilus and B. mucronatus (Nematoda),
parasites of pines. Supervisor: Dr. J. M. Webster, 1987-1992.
M.Sc.
Biology, UNB, Fredericton, NB, Specialty: Parasitology / InvertebrateZoology.
Thesis: Chemical communication in Heligmosomoides polygyrus(Nematoda:
Trichostrongylidae). Supervisor: Dr. B. M. MacKinnon.,1985-1987
B.A. German Literature (1st class honours), UNB, Fredericton,
NB,1987 .
B.Sc. Biology, UNB, Fredericton, NB, . Specialty: Invertebrate
Zoology.1981-1985
Research
Specialty and Interests:
-
To
control plant parasitic nematodes using organic amendments,
cover crops, green manures, organic nematicides and a combination
of low rates of synthetic nematicdes with organic amendments
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To
understand the role, behaviour and physiology of free-living
nematodes in the soil environment and use them as means
to restore soil health
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To
develop molecular markers for nematode identification
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To
use entomopathogenic nematodes as biological control agents
against insects
- Teaching
Responsibilities:
Graduate
Course in Nematology (PLP 513)
Professional
Activities:
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Member
of the executive committee of Centre of Sustaining Agriculture
and Natural Resources, WSU.
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Chair
of Plant Resistance to Nematodes Committee, Society of Nematologists.
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Symposium
Organizer for Society of Nematologists Annual meeting.
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Senior
Councillor / Parasitology Section, Canadian Society of Zoologists,
2000-2002
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Junior
Councillor to the Canadian Society of Zoologists, 1999-2001
-
Reviewer
for Phytopathology, Phytoprotection, Can. J. Plant Science,
Nematology, Phytopathologia Mediterranea
Awards/Honors/Memberships:
2003-2004
OECD Fellowship, for 6 weeks in Dundee, Scotland. Project:
Development of rapid diagnostic tests based on PCR and Q-PCR
for detection of viruliferous stubby root nematodes.
1996-1998
NSERC Postdoctoral Fellowship / Canadian Government. Project:
Development of a slow release formulation of a nematicide
to control nematode and insect pests.
1995-1996
Postdoctoral Fellowship / European Union. Project: Novel approaches
for pest management of potato cyst nematodes in the central
Andes.
1992-1995
Postdoctoral Fellowship funded by Agricultural and Food Research
Council, UK, Project: Investigate the function of potato cyst
nematode amphidial glands and amphidial secretions.
1987-1992
MacMillan Family Fund Fellowship 3-year (Ph.D. Fellowship).
Membership
of Scientific Societies:
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American
Phytopathological Society (since 2001)
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Canadian
Phytopathological Society (since 2001)
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Society
of Nematologists (since 1990)
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Canadian
Society of Zoologists (since 1985)
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European
Society of Nematologists (since 1994)
Selected
Publications:
BALL-COELHO,
A. J. , BRUIN, R. C. ROY & E. RIGA. (2003). Forage millet
and marigold rotation crops for biological control of Pratylenchus
penetrans in potato. Agronomy Journal. 95:282-292.
RIGA,
E. (Accepted). Sensory responses of plant parasitic nematodes
to semiochemicals. Nematology.
RIGA,
E., MOJTAHEDI, H., INGHAM R. E. & A. M. MCGUIRE. (Accepted).
Green manure amendments and management of root knot nematodes
on potato in the Pacific Northwest of USA. Nematology.
Mojtahedi
H., Boydston, R. A., Thomas, P. E., Crosslin, J. M Santo,
G. S., RIGA, E., & T. L. Anderson. (Accepted). Weed Hosts
of Paratrichodorus allius and Tobacco Rattle Virus in the
Pacific Northwest. American Journal of Potato Research.
JONZ,
M. G., RIGA, E., POTTER, J. & J. MERCIER. 2001. Partial
isolation of a water soluble pheromone from the sugar beet
cyst nematode, Heterodera schcahtii, using novel and conventional
bioassays. Nematology 3:55-64.
RIGA,
E., ANDERSON, T., WELACKY, T., TOPP, E. & J. POTTER. 2001.
Managing soybean cyst nematode, Heterodera glycines, in Ontario
using green manure. Canadian Journal of Plant Pathology 23:168-173.
RIGA,
E., WHISTLECRAFT, J. & J. POTTER. (2001). Controlling
insect pests of corn using entomopathogenic nematodes. Canadian
Journal of Plant Science 81: 783-789.
ATKINSON,
H.J., HOLZ, R.A., RIGA, E., MAIN, G., OROS, P. & J. FRANCO.
(2001).
An algorithm for optimizing rotational control of Globodera
rostochiensis on potato crops
in Bolivia. Journal of Nematology 33:121-125.
HOLZ,
R.A., RIGA, E. & H.J. ATKINSON. 1998. Seasonal changes
in the dorsal pharyngeal gland of unhatched second stage juveniles
of Globodera spp. in Bolivia. Journal of Nematology 30:291-298.
RIGA,
E., PERRY, R. N., BARRETT, J. & M. R. L. JOHNSTON. 1997.
Electrophysiological responses of Globodera rostochiensis
and G. pallida, to some chemicals. Journal of Chemical Ecology
23:417-428.
RIGA,
E., HOLDSWORTH, D. R., PERRY, R. N., BARRETT, J. & M.
R. L. JOHNSTON. 1997. Electrophysiological analysis of the
response of males of the potato cyst nematode, Globodera rostochiensis,
to fractions of their homospecific sex pheromone.
Parasitology 115:311-316.
RIGA,
E., PERRY, R. N., BARRETT, J. & M. R. L. JOHNSTON. 1995.
Biochemical analyses on single amphidial glands, excretory-secretory
gland cells, pharyngeal glands, and their secretions from
the avian nematode Syngamus trachea. International Journal
for Parasitology 25:1151-1158.
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