zoltÁn imrei, miklÓs tÓth · zoltÁn imrei, miklÓs tÓth. plant protection institute,...
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ZOLTÁN IMREI, MIKLÓS TÓTH
Plant Protection Institute, Agricultural Research Centre, Hungarian Academy of Sciences, Budapest, Hungary
International Conference on the German Diabrotica Research Program,Berlin, 14-16 November, 2012
The place of different sampling methods
Absolute methods (simple, easier to correlate)
Relative methods (at low population densities, less labourintensive, often closer to every-day practice)
A combination of different methods is optimal
A relative method…
… trapping with lures
Diabrotica species Absolute structure Chemical Reference
D. balteata 6R,12R6,12-dimethyl-
pentadecane-2-on
McLaughlin et
al. (1991)
D. undecimpunctata
howardi
D. undecimpunctata
undecimpunctata
D. undecimpunctata
duodecimpunctata H
10R (++)
10R (++)
Unknown
10-methyl-2-tridecanon
Guss et al.
(1983a)
D. virgifera virgifera
D. virgifera zeae
D. barberi
2R,8R (++), 2S,8R (+)
2R,8R (++), 2S,8R (+)
2R,8R (++), 2S,8R (-),
2S,8S (--)
(8-methyl-2-
decyl)propionate
Guss et al.
(1982), Guss et
al. (1984),
Guss et al.
(1985)
D. longicornis
D. lemniscata
D. Porracea
2S,8R (++), 2R,8R (--)
2S,8R (++), 2R,8R (+)
2S,8R (++)
(8-methyl-2-
decyl)propionate
Guss et al.
(1982), Guss et
al. (1984),
Krysan et al.
(1986)
D. cristata 2S,8R (++)(8-metihyl-2-
deciy)acetate
Guss et al.
(1983b)
mea
n c
atc
h (
+S
E)
0
10
20
30
40
50
60
70
a b a a a * b* * * *
Szekszárd, Tolna county, Hungary July 20 - August 23, 2001.
Total caught in test:
1764 beetles
Bait composition:
rac-8-methyldecane-2-yl propanoate
rac-8-methyldecane-2-yl acetate
rac-8-methyldecane-2-one
(+)-8-methyldecane
(+)-8-methyl-1-decene
CLICK BEETLE AND WIREWORM MONITORING
• PHEROMONE TRAPS pest species occure inEUROPE• ONE inspection plus maintanance!!• 2-3 pest species/site
• Wireworms could be trapped in areas of high pheromone trap catches
•Preliminary tresholdsare available
PAL for Diabrotica
males
Plant Protection Institute,Centre for Agricultural Research,Hungarian Academy of Sciences,
Budapest, HUNGARYe-mail: [email protected]
internet: www.julia-nki.hu/traps
VARb3k for Tropinota
(Epicometis)KLPflor+ for Diabrotica
females
RAG for many
moths
VARL+ for
noctuids
VARb3 for Cossus
or Anomala
PALz for
Rhagoletis
TAL for
Bothynoderes