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48 recherche sur le mot-clé
'Pea aphid' 
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R. Hufbauer | 2001In insect host-parasitoid systems, successful immune responses of the host kill the parasitoid, and successful development of the parasitoid will kill the host. Thus, hosts and their parasitoids can exert strong selection on each other that may [...]
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Pea aphids, Acyrthosiphon pisum, were fed on artificial diet containing various concentrations of melatonin. Under long-day conditions (16 h light: 8 h dark) their progeny included males and virginoparous/oviparous (asexual/sexual) intermediate [...]
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J. Sandstrom ; J. Pettersson | 1994The performance of five clones of the pea aphid, Acyrthosiphon pisum, was evaluated on red clover, Trifolium pratense, alfalfa, Medicago sativa, broad bean, Vicia faba and five genotypes of pea, Pisum sativum. Phloem sap samples were collected f[...]
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T. Sasaki ; T. Aoki ; H. Hayashi ; H. Ishikawa | 1990
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G. Buntin ; D. Isenhour | 1989
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A. Chau ; M. Mackauer | 1997We examined the dropping behaviour of the pea aphid, Acyrthosiphon pisum (Harris), feeding on broad-bean plants in the laboratory. Aphid responses to foraging and oviposition by females of Monoctonus paulensis (Ashmead) were instar-specific and [...]
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H. Harada ; H. Oyaizu ; Y. Kosako ; H. Ishikawa | 1997
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G. Febvay ; Y. Rahbe ; M. Rynkiewicz ; J. Guillaud ; G. Bonnot | 1999The fate of sucrose, the major nutrient of an aphid's natural food, was explored by radiolabeling in the pea aphid Acyrthosiphon pisum. To investigate the influence of nitrogen quality of food on amino acid neosynthesis, pea aphids were reared o[...]
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D. Dreyer ; K. Jones ; L. Jurd ; B. Campbell | 1987
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S. Via | 1989
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T. Sasaki ; H. Hayashi ; H. Ishikawa | 1991
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J. Sandstrom | 1994The performance of one clone of the pea aphid, Acyrthosiphon pisum (Harris), was assessed on 37 different cultivars and species of Pisum L. In addition, random samples of 36 pea aphid clones collected on alfalfa and clover were tested on a selec[...]
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F. Vanveen ; A. Rajkumar ; C. Muller ; H. Godfray | 20011. The influence of the presence of secondary parasitoids on aphid reproduction was tested in a field experiment. 2. Single pea aphids Acyrthosiphon pisum in clip cages on potted bean plants were exposed to a collection of secondary parasitoids [...]
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J. Simon ; M. Parent ; J. Auclair | 1982
