Résultat de la recherche
34 recherche sur le mot-clé
'Therioaphis trifolii' 


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E. Trumper ; J. Gyenge | 1998Binomial sampling plans were developed for Therioaphis trifolii (Monnell) (Homoptera; Aphididae), one of the most damaging insect pests of alfalfa crops in Argentina. During 1995, 50 stems from each of six alfalfa fields were sampled on each of [...]![]()
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The aphid Therioaphis trifolii (Monell) is indigenous to the western Palaearctic region, where it colonizes lucerne (alfalfa), clovers and related legumes. A form of the species, T. trifolii f. maculata (the spotted alfalfa aphid, SAA), has been[...]![]()
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R. Hughes ; L. Woolcock ; J. Roberts ; M. Hughes | 1987![]()
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W. Milne | 1998Two genetically different biotypes of Therioaphis trifolii (Monell), spotted alfalfa aphid (SAA) and spotted clover aphid (SCA), occur in Australia. The potential host range of the two biotypes was determined by comparing their performance on ei[...]![]()
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V. Rogers | 1981![]()
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G. Manglitz ; L. Russel | 1974![]()
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R. Broadley ; P. Rossiter ; H. Brier ; D. Butler ; R. Lloyd | 1980![]()
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A. Bishop ; L. Greenup ; R. Holtkamp | 1980![]()
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W. Milne | 1998The performance of the spotted clover aphid, a biotype closely related to the spotted alfalfa aphid Therioaphis trifolii (Monell) f. maculata, was assessed on 18 accessions, all of which were cultivars of clover (Trifolium spp.) commonly grown i[...]![]()
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C. Wilson ; D. Swincer ; K. Walden | 1981![]()
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D. Hille ris Lambers ; R. Van Den Bosch | 1964![]()
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