Article (Scientific journals)
Ability of Tuta absoluta (Lepidoptera: Gelechiidae) to develop on alternative host plant species
Bawin, Thomas; Dujeu, David; De Backer, Lara et al.
2016In Canadian Entomologist, 148 (4), p. 434-442
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Keywords :
Scrobipalpuloides absoluta; Chenopodium; Convolvulus; Lycium; Malva; Nicotiana; Vicia
Abstract :
[en] The tomato leafminer, Tuta absoluta Meyrick (Lepidoptera: Gelechiidae), is a widespread devastating pest reported to develop on economically important solanaceous crops. The characterization of its host range could help to understand and prevent the dispersion behavior of the insect in the environment. In this study, the ability of T. absoluta to develop on 12 cultivated or non-cultivated plants including Solanaceae, Chenopodiaceae, Convolvulaceae, Fabaceae and Malvaceae species under laboratory conditions was assessed. For each plant species, we monitored the development times of immature stages, survival, sex ratios and adult fecundity rates. All the 6 tested non-solanaceous plants, including Chenopodium, Convolvulus and Malva species, were not able to sustain (i.e. allow growth and development) T. absoluta larvae. Among Solanaceae, Solanum species were the most suitable host plants for the pest, but others could be opportunistically colonized with fewer incidences. T. absoluta appears to be strongly related to solanaceous plants which would predominantly support self-sustaining field populations. Preventing crop infestation by removing potential host plants in the immediate field vicinity and culture rotations with non-solanaceous crops is of primary importance.
Disciplines :
Entomology & pest control
Author, co-author :
Bawin, Thomas ;  Université de Liège - ULiège > Doct. sc. agro. & ingé. biol.
Dujeu, David;  Université de Liège - ULiège > Agronomie, Bio-ingénierie et Chimie (AgroBioChem) > Entomologie fonctionnelle et évolutive
De Backer, Lara ;  Université de Liège - ULiège > Doct. sc. agro. & ingé. biol.
Francis, Frédéric  ;  Université de Liège > Agronomie, Bio-ingénierie et Chimie (AgroBioChem) > Entomologie fonctionnelle et évolutive
Verheggen, François  ;  Université de Liège > Agronomie, Bio-ingénierie et Chimie (AgroBioChem) > Entomologie fonctionnelle et évolutive
Language :
English
Title :
Ability of Tuta absoluta (Lepidoptera: Gelechiidae) to develop on alternative host plant species
Publication date :
21 August 2016
Journal title :
Canadian Entomologist
ISSN :
0008-347X
Publisher :
Entomological Society of Canada
Volume :
148
Issue :
4
Pages :
434-442
Peer reviewed :
Peer Reviewed verified by ORBi
Funders :
SPW DG03-DGARNE - Service Public de Wallonie. Direction Générale Opérationnelle Agriculture, Ressources naturelles et Environnement [BE]
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since 03 December 2015

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