Sorghum head-bugs and grain molds in West and Central Africa: 1. Host plant resistance and bug-mold interactions on sorghum grains

Ratnadass Alain, Marley Paul S., Hamada M.A.G., Ajayi Olupomi, Cissé Boubakary, Assamoi F., Atokple I.D.K., Beyo Jacques, Cissé Ousmane, Dakouo Dona, Diakité M., Dossou Yovo S., Le Diambo B., Vopeyande M.B., Sissoko I., Tenkouano Abdou. 2003. Sorghum head-bugs and grain molds in West and Central Africa: 1. Host plant resistance and bug-mold interactions on sorghum grains. Crop Protection, 22 : pp. 837-851.

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Abstract : A regional sorghum head-bug and grain mold resistance trial was conducted in 1996 and 1997 at 15 and 13 research stations located in 10 West and Central African countries, respectively. Two cultivars namely IS 14384 and CGM 39/17-2-2 exhibited consistently high levels of resistance both to head-bugs and grain molds over years and localities. Eurystylus oldi was the dominant head-bug species at all localities except in Benin, Chad and Guinea. Sorghum grain mycoflora varied little between sites with genera Phoma and Fusarium dominating, followed by Curvularia. Efficiency of the insecticidal treatment on head-bug incidence partially confirmed the critical role played by head-bugs in aggravating mold infection. (Résumé d'auteur)

Mots-clés Agrovoc : Sorghum bicolor, Miridae, Insecte nuisible, Moisissure, Maladie fongique, Phoma, Fusarium, Curvularia, Résistance aux maladies, Résistance aux organismes nuisibles, Relation hôte pathogène, Relation hôte parasite

Mots-clés géographiques Agrovoc : Bénin, Burkina Faso, Cameroun, République centrafricaine, Tchad, Côte d'Ivoire, Ghana, Guinée, Mali, Niger, Nigéria, Afrique occidentale, Afrique centrale

Mots-clés complémentaires : Complexe d'espèces, Eurystylus oldi

Classification Agris : H10 - Pests of plants
H20 - Plant diseases

Auteurs et affiliations

  • Ratnadass Alain, CIRAD-CA-CALIM (MDG) ORCID: 0000-0002-8873-5671
  • Marley Paul S., Ahmadu Bello University (NGA)
  • Hamada M.A.G., ICRISAT (MLI)
  • Ajayi Olupomi, ICRISAT (NGA)
  • Cissé Boubakary, ICRISAT (MLI)
  • Assamoi F., IDESSA (CIV)
  • Atokple I.D.K., SARI (GHA)
  • Beyo Jacques, IRAD (CMR)
  • Cissé Ousmane, IER (MLI)
  • Dakouo Dona, INERA (BFA)
  • Diakité M., IRAG (GIN)
  • Dossou Yovo S., INRAB (BEN)
  • Le Diambo B.
  • Vopeyande M.B., ICRA (CAF)
  • Sissoko I., ICRISAT (MLI)
  • Tenkouano Abdou, WCASRN (MLI)

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