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https://hdl.handle.net/1959.11/5563
Title: | Host plant recognition by the root feeding clover weevil, 'Sitona lepidus' (Coleoptera: Curculionidae) | Contributor(s): | Johnson, S N (author); Gregory, P J (author); Murray, P J (author); Zhang, X (author); Young, Iain (author) | Publication Date: | 2004 | DOI: | 10.1079/BER2004317 | Handle Link: | https://hdl.handle.net/1959.11/5563 | Abstract: | This study investigated the ability of neonatal larvae of the root-feeding weevil, 'Sitona lepidus' Gyllenhal, to locate white clover 'Trifolium repens' L. (Fabaceae) roots growing in soil and to distinguish them from the roots of other species of clover and a co-occurring grass species. Choice experiments used a combination of invasive techniques and the novel technique of high resolution X-ray microtomography to non-invasively track larval movement in the soil towards plant roots. Burrowing distances towards roots of different plant species were also examined. Newly hatched 'S. lepidus' recognized 'T. repens' roots and moved preferentially towards them when given a choice of roots of subterranean clover, 'Trifolium subterraneum' L. (Fabaceae), strawberry clover 'Trifolium fragiferum' L. (Fabaceae), or perennial ryegrass 'Lolium perenne' L. (Poaceae). Larvae recognized 'T. repens' roots, whether released in groups of five or singly, when released 25 mm (meso-scale recognition) or 60 mm (macro-scale recognition) away from plant roots. There was no statistically significant difference in movement rates of larvae. | Publication Type: | Journal Article | Source of Publication: | Bulletin of Entomological Research, v.94, p. 433-439 | Publisher: | Cambridge University Press | Place of Publication: | United Kingdom | ISSN: | 1475-2670 0007-4853 |
Fields of Research (FoR) 2008: | 050303 Soil Biology 060208 Terrestrial Ecology 050399 Soil Sciences not elsewhere classified 050305 Soil Physics |
Socio-Economic Objective (SEO) 2008: | 961402 Farmland, Arable Cropland and Permanent Cropland Soils | Peer Reviewed: | Yes | HERDC Category Description: | C1 Refereed Article in a Scholarly Journal |
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Appears in Collections: | Journal Article School of Environmental and Rural Science |
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