| dc.contributor.author | Koona, P. |
| dc.contributor.author | Jackai, L.E.N. |
| dc.date.accessioned | 2019-12-04T11:23:56Z |
| dc.date.available | 2019-12-04T11:23:56Z |
| dc.date.issued | 2004-12 |
| dc.identifier.citation | Koona, P. & Jackai, L.E.N. (2004). The potential of pod-shaving in studies of the role of trichomes in Vigna resistance to the pod-bug Clavigralla tomentosicollis Stål (Hemiptera: Coreidae). International Journal of Tropical Insect Science, 24(4), 298-303. |
| dc.identifier.issn | 1742-7584 |
| dc.identifier.uri | https://hdl.handle.net/20.500.12478/4218 |
| dc.description.abstract | Two shaving methods, one by using a sharp razor blade and the other a small pair of dissecting scissors, were tested on pods of Vigna vexillata accessions to investigate the effect of trichomes on feeding and development of the pod-bug Clavigralla tomentosicollis Stål (Hemiptera: Coreidae). Electron micrographs of unshaved (control) pods showed that all trichome types (glandular, long non-glandular and short non-glandular) were present on the pod surface. Shaving with a pair of scissors shortened long non-glandular trichomes, with little or no damage to the glandular types. Percentages of seed damage and nymphs surviving to the adult stage were similar (P>0.05) between unshaved and scissors-shaved pods. These pods showed significantly lower (P<0.05) percent seed damage than razor-shaved and solvent-washed pods, whose glandular trichomes were all completely scraped or washed off. The opposite trend was observed for the insect's growth index, indicating that glandular trichomes had a greater influence than non-glandular trichomes on feeding and development of C. tomentosicollis. The present study suggests that the scissor-shaving method would be more appropriate if the effect of trichome length is being investigated, and the more abrasive razor-shaving method if the effect of glandular trichomes is of interest. |
| dc.language.iso | en |
| dc.subject | Cowpeas |
| dc.subject | Vigna Vexillata |
| dc.subject | Trichomes |
| dc.subject | Resistance |
| dc.title | The potential of podshaving in studies of the role of trichomes in Vigna resistance to the podbug Clavigralla tomentosicollis Stal (Hemiptera: Coreidae) |
| dc.type | Journal Article |
| dc.type | Journal Article |
| dc.description.version | Peer Review |
| cg.contributor.crp | Grain Legumes |
| cg.contributor.affiliation | International Institute of Tropical Agriculture |
| cg.contributor.affiliation | Institute of Agricultural Research for Development, Cameroon |
| cg.contributor.affiliation | Tuskegee University |
| cg.coverage.region | Africa |
| cg.coverage.region | West Africa |
| cg.coverage.country | Nigeria |
| cg.isijournal | ISI Journal |
| cg.authorship.types | CGIAR and developing country institute |
| cg.iitasubject | Cowpea |
| cg.iitasubject | Grain Legumes |
| cg.accessibilitystatus | Limited Access |
| local.dspaceid | 99784 |
| cg.identifier.doi | https://doi.org/10.1079/IJT200436 |
