Article (Scientific journals)
Principal disease and Insect pests of Jatropha curcas L. in the lower valley of the Senegal river
Terren, Marieke; Mignon, Jacques; De Clerck, Caroline et al.
2012In Tropicultura, 30 (4), p. 222-229
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Keywords :
Jatropha curcas; Pests; Stomphastis thraustica; Calidea panaethioopica; Pempelia morosalis; Senegal
Abstract :
[en] Jatropha curcas L. seed oil is proven to be toxic to many microorganisms, insects and animals. Despite its toxicity, Jatropha is not pest and disease resistant. The following major pests and diseases affecting Jatropha in the lower valley of the Senegal river have been identified: the leaf miner Stomphastis thraustica (Meyrick, 1908) (Lepidoptera, Gracillariidae), the leaf and stem miner Pempelia morosalis (Saalmuller, 1880) (Lepidoptera, Pyralidae) and the shield-backed bug Calidea panaethiopica (Kirkaldy, 1909) (Heteroptera, Scutelleridae), which can cause flower and fruit abortion. Damage from these pests was particularly great during the second year after the plantations were set up (2009) and before later receding. Nevertheless, the worst attacks were caused by a vascular disease transmitted through the soil, which killed 65% of the plants in four years. It is mainly characterised by collar and root rot, which causes foliage to yellow and wilt, before the plant eventually dies. These threats should increase if larger areas are planted with Jatropha. Considering the scale of the damage caused by these attacks in Bokhol, the development of an integrated pest management programme adapted to the local context should be considered.
Disciplines :
Agriculture & agronomy
Author, co-author :
Terren, Marieke ;  Université de Liège - ULiège > Doct. sc. agro. & ingé. biol.
Mignon, Jacques  ;  Université de Liège - ULiège > Gembloux Agro-Bio Tech
De Clerck, Caroline  ;  Université de Liège - ULiège > Sciences agronomiques > Phytopathologie
Jijakli, Haissam  ;  Université de Liège - ULiège > Sciences agronomiques > Phytopathologie
Savery, Sebastien
Jacquet de Haveskercke, Paul
Winandy, Stéphane ;  Université de Liège - ULiège > Sciences agronomiques > Economie et développement rural
Mergeai, Guy ;  Université de Liège - ULiège > Sciences agronomiques > Phytotechnie tropicale et horticulture
Language :
English
Title :
Principal disease and Insect pests of Jatropha curcas L. in the lower valley of the Senegal river
Alternative titles :
[en] Les principaux bio-agresseurs de jatropha curcas L. dans la vallée du fleuve Sénégal
Publication date :
31 December 2012
Journal title :
Tropicultura
ISSN :
0771-3312
eISSN :
2295-8010
Publisher :
Agri-Overseas, Bruxelles, Belgium
Volume :
30
Issue :
4
Pages :
222-229
Peer reviewed :
Peer Reviewed verified by ORBi
Funders :
Fondation Durabilis
Available on ORBi :
since 15 February 2013

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