Résultat de la recherche
74 recherche sur le mot-clé
'Trifolium pratense' 
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article/chapitre/communication
P. Jacquard ; B. Fleury ; J. Maitre | 1987
article/chapitre/communication
P. Jacquard ; B. Fleury ; J. Maitre | 1987
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R. WEISS ; C. GILLOTT | 1993
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B. Ekbom | 1994Arthropod predators of the pea aphid (Acyrtbosiphon pisum Harr.) were collected using pitfall traps in peas (Pisum sativum L.), clover (Trifolium pratense L.) and alfalfa (Medicago sativa L.). Aphid densities were monitored using a vacuum suctio[...]
thèse/mémoire
Bestajovsky J. | 1988
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J. Maitre ; L. Assemat ; P. Jacquard | 1985
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J. Maitre ; L. Assemat ; P. Jacquard | 1985
thèse/mémoire
B. Fretault, Auteur | 1977
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P. MURRAY ; R. Clements | 1994A series of laboratory and field studies were done to evaluate a range of leguminous plant species for their feeding potential by adult weevils of the genus Sitona Germar. (Coleoptera: Curculionidae). Three species of Sitona, S. lineatus L., S. [...]
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Pitfall traps located between red clover, Trifolium pratense L., stands and adjacent pasture and woods were used to monitor seasonal and directional crawling activity by adults of four species of root-feeding insect pests of red clover. Hylastin[...]
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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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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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F. Zeng ; G. Pederson ; M. Ellsbury ; F. Davis | 1993Life tables were constructed for pea aphid, Acyrthosiphon pisum (Harris), developing on red clover, Trifolium pratense L., in growth chambers. Demographic statistics for pea aphids on three red clovers-N-2 germplasm (pea aphid resistant), ''Redl[...]
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F. Zeng ; G. Pederson ; F. Davis ; M. Ellsbury | 1994The modalities of resistance in N-2 red clover (Trifolium pratense L.) germplasm to pea aphid, Acyrthosiphon pisum (Harris), were determined by conducting experiments within growth chambers for presence of antixenosis, antibiosis and/or toleranc[...]
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R. Bommarco ; B. Ekbom | 19961. Seasonal population growth rates for the pea aphid, Acyrthosiphon pisum Harris, were determined in three different host plant habitats; alfalfa, Medicago sativa (L.), clover, Trifolium pratense (L.), and peas, Pisum sativum (L.); over four ye[...]
