Sequential count and decision plans for sampling green cloverworm (Lepidoptera: Noctuidae) larvae in soybean [Plathypena scabra]

Sequential count and decision plans for sampling green cloverworm (Lepidoptera: Noctuidae) larvae in soybean [Plathypena scabra]

Sequential count and decision plans using plant shake samples were developed for Plathypena scabra (F.) larvae. Larval dispersion patterns were analyzed by Taylor's power law and Iwao's regression technique. Both methods detected statistically significant aggregation for all larval stages....

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Veröffentlicht in:Journal of economic entomology 1983-08, Vol.76 (4), p.806-812
Hauptverfasser: Bechinski, E.J, Buntin, G.D, Pedigo, L.P, Thorvilson, H.G
Format: Artikel
Sprache:eng
Schlagworte:
Glycine max
Noctuidae
Plathypena scabra
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Zusammenfassung:Sequential count and decision plans using plant shake samples were developed for Plathypena scabra (F.) larvae. Larval dispersion patterns were analyzed by Taylor's power law and Iwao's regression technique. Both methods detected statistically significant aggregation for all larval stages. The results of these analyses were used to develop research-oriented sequential count plans and grower-oriented decision plans. Both plans were evaluated in the field during 1981.
ISSN:0022-0493
1938-291X
DOI:10.1093/jee/76.4.806