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Entomologia Experimentalis et Applicata (2009) 130, 282-289
A.J. Hamilton, E.K. Waters, H.J. Kim, W.S. Pak and M.J. Furlong (2009)
Sampling a weighted pest complex: caterpillars in North Korean cabbage (Brassica oleracea var. capitata) crops
Entomologia Experimentalis et Applicata 130 (3), 282-289
Abstract: The lepidopteran pests Plutella xylostella L. (Plutellidae) and Pieris rapae L. (Pieridae: Pierini) are responsible for major yield losses of cabbage, Brassica oleracea L. (Brassicaceae), in North Korea. Preliminary integrated pest management (IPM) programmes using economic thresholds (ETs) to schedule insecticide applications have proved promising and have demonstrated marked increases in yield compared to standard farming practice, which relies heavily on synthetic insecticides. To use ETs effectively on a routine basis, farmers need efficient yet sufficiently precise methods of surveying crops for pests. Here we construct and validate binomial sequential sampling plans for the two-species pest complex and for P. rapae alone. The recommended plans would be practical to implement, demanding maximum sample sizes below 50 plants, and proved very slightly conservative with respect to classifying the population relative to the ET (i.e., they were slightly more likely to suggest control at the ET than not).
(The abstract is excluded from the Creative Commons licence and has been copied with permission by the publisher.)
Link to article at publishers website
Database assignments for author(s): Michael J. Furlong
Research topic(s) for pests/diseases/weeds:
surveys/sampling/distribution
Pest and/or beneficial records:
Beneficial | Pest/Disease/Weed | Crop/Product | Country | Quarant.
|
---|---|---|---|---|
Plutella xylostella | Cabbage (Brassica oleracea) | Korea-North | ||
Pieris rapae | Cabbage (Brassica oleracea) | Korea-North |