NDLI: Impact of inbreeding on performance of the predator Podisus maculiventris

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Impact of inbreeding on performance of the predator Podisus maculiventris

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BioControl : Volume 43, Issue 2, June 1998

BioControl : Volume 43, Issue 1, March 1998

BioControl : Volume 42

Impact of inbreeding on performance of the predator Podisus maculiventris

Content Provider	Springer Nature Link
Author	de Clercq, P. Vandewalle, M. Tirry, L.
Copyright Year	1998
Abstract	Effects of inbreeding on the development and reproduction of the predatory pentatomid Podisus maculiventris were assessed throughout 30 generations following introduction in the laboratory. Developmental and reproductive fitness of two mildly inbred lines did not differ dramatically from that of a reference population. In most generations, egg weight, egg hatch and developmental rate of nymphs were greater in the reference strain than in both inbred strains, but fecundity and longevity did not differ among strains. In the 30th generation, fecundity of all strains had dropped to about half of that observed in the 15th generation, which was presumably related to non-genetic factors. There were consistent differences among strains for adult body weight and size, indicating heritable variation. A positive relationship between weight at day 14 and humeral width of P. maculiventris females was found, but neither of these parameters was associated with total fecundity. In the 30th generation, predators from both inbred lines had generally similar predation capacities to those from the reference population. No significant relationship could be detected between body weights and predation rates of either nymphs or adults. The use of inbreeding to minimize selective adaptation during rearing or to select for favourable traits in P. maculiventris is discussed.
Starting Page	299
Ending Page	310
Page Count	12
File Format	PDF
ISSN	13866141
Journal	BioControl
Volume Number	43
Issue Number	3
e-ISSN	15738248
Language	English
Publisher	Kluwer Academic Publishers
Publisher Date	1998-01-01
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Evolutionary Biology Plant Sciences Plant Pathology Animal Systematics/Taxonomy/Biogeography
Content Type	Text
Resource Type	Article
Subject	Insect Science Agronomy and Crop Science

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