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D. Martinez-Torres ; R. Carrio ; A. Latorre ; J. Simon ; A. Hermoso ; A. Moya | 1997
congrès/colloque
J. Simon, - Editeur scientifique ; E. DIDAY, - Editeur scientifique ; Seminaires IRIA (1973/12-1974/07; Rocquencourt, FRA) ; J. Maroy, - Editeur scientifique | Roquencourt [FRA] : IRIA Institut de Recherche d'Informatique et d'Automatique | 1975
article/chapitre/communication
M. Hullé ; D. Maurice ; C. Rispe ; J. Simon | 1999
article/chapitre/communication
C. Caillaud ; C. Dedryver ; J. Di Pietro ; J. Simon ; F. Fima ; B. Chaubet | 1995The development and reproduction of 60 clones of Sitobion avenae (Fabricius), collected in the Rennes Basin, were compared on a resistant Triticum monococcum (Linnaeus) line (Tm44) and a susceptible Triticum aestivum (Linnaeus) cultivar (Arminda[...]
article/chapitre/communication
C. Dedryver ; M. Hullé ; J. Legallic ; M. Caillaud ; J. Simon | 2001Aphids typically reproduce by cyclical parthenogenesis, with a single sexual generation alternating with numerous asexual generations each year. However, some species exhibit different life cycle variants with various degrees of investment in se[...]
thèse/mémoire
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J. Simon ; C. Rispe ; P. Sunnucks | 2002Many theories attempt to explain why sexual reproduction has invaded life so thoroughly. Some are plausible, but there remains a need for evolutionary biologists to identify the main factor(s) accounting for the maintenance of sex in diverse, re[...]
congrès/colloque
article/chapitre/communication
L. Haack ; J. Simon ; J. Gauthier ; M. Plantegenest ; C. Dedryver | 2000Aphids are particularly interesting models in the study of genetic and demographic components of plant adaptation because of their breeding system which combines parthenogenesis and sexual reproduction (i.e. cyclical parthenogenesis), and the fr[...]
ouvrage
article/chapitre/communication
C. Rispe ; J. Bonhomme ; J. Simon | 1999
article/chapitre/communication
This study aimed at evaluating the intrinsic rate of increase (r(m)) of clones of the cereal aphid Rhopalosiphum padi (L.) that differ in their ability to produce sexuals. The value of r(m) was measured for wingless parthenogenetic females in ex[...]
article/chapitre/communication
J. Simon ; E. Carrel ; P. Hebert ; C. Dedryver ; J. Bonhomme ; J. Le Gallic | 1996
article/chapitre/communication
D. Martineztorres ; A. Moya ; P. Hebert ; J. Simon | 1997This study examines the spatial and seasonal patterning of mitochondrial DNA diversity in French populations of the bird cherry-oat aphid, Rhopalosiphum padi (Linnaeus), on both its primary and secondary hosts. Our results confirm the presence o[...]
