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| Web URL(s): | http://onlinelibrary.wiley.com/doi/10.1111/j.1744-7348.1999.tb00875.x/epdf
Last checked: 09/29/2015
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| Publication Type:
| Refereed |
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| Author(s): | Hossain, Z.;
Gurr, G. M.;
Wratten, S. D. |
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| Author Affiliation: | Hossain and Gurr: Pest Management Group, Orange Agricultural College, The University of Sydney, Orange, New South Wales, Australia; Wratten: Division of Plant, Soil and Ecological Sciences, Lincoln University, Canterbury, New Zealand |
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| Title: | Capture efficiency of insect natural enemies from tall and short vegetation using vacuum sampling |
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| Source: | Annals of Applied Biology. Vol. 135, No. 2, October 1999, p. 463-467. |
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| Publishing Information: | London: Cambridge University Press. |
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| # of Pages: | 5 |
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| Keywords: | TIC Keywords: Insect pests; Sampling techniques; Sampling; Medicago sativa; Height
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| Abstract/Contents: | "Experiments were conducted in lucerne to determine the efficiency of vacuum sampling of insects and whether this was affected by the height of vegetation sampled. Three insects of significance as predators of pests in Australian lucerne were studied: transverse ladybird beetle (Coccinella transversalis Fabricus), pollen beetle (Dicranolaius bellulus (Guérin-Méneville)), and spined predatory shield bug (Oechalia schellembergii (Guérin-Méneville)). In a preliminary experiment comparing a commercially harvested area of lucerne with an unharvested area within the same crop, the proportions of released insects recaptured from unharvested lucerne were significantly lower than recoveries from the shorter, harvested lucerne. Resampling the tall lucerne after it was cut by hand gave cumulative recapture proportions which did not differ from those observed for the harvested lucerne. A second experiment with a randomized replicated design re-tested the hypotheses of the preliminary experiment for two insect species. Very similar results were obtained. This verification showed that recapture efficiencies from tall lucerne ranged between 0.60 and 0.74 but that resampling after hand cutting gave cumulative recapture proportions in excess of 0.86 which did not differ from recaptured proportions from short lucerne." |
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| Language: | English |
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| References: | 21 |
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| Note: | Tables |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Hossain, Z., G. M. Gurr, and S. D. Wratten. 1999. Capture efficiency of insect natural enemies from tall and short vegetation using vacuum sampling. Ann. Appl. Biol. 135(2):p. 463-467. |
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| Web URL(s):
http://onlinelibrary.wiley.com/doi/10.1111/j.1744-7348.1999.tb00875.x/epdf
Last checked: 09/29/2015
Requires: PDF Reader
Access conditions: Item is within a limited-access website |
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MSU catalog number: QH 301 .A48 |
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