Show simple item record

dc.contributor.advisorMari-Mutt, José A.
dc.contributor.authorRamos-Rodríguez, Olgaly
dc.description.abstractLaboratory experiments were conducted to understand the influence of Wedelia trilobata (L.) Hitchc. on the oviposition of Bemisia argentifolii Bellows & Perring over tomato leaves and on the presence of Cosmopolites sordidus Germar over plantain pseudostems. Solutions made with aqueous extracts of W. trilobata (100, 75, 50, 25 and 0 %) were applied to plants exposed to these insects. The extracts repelled adults of C. sordidus when applied to pieces of plantain pseudostem, but did not affect the oviposition rate of B. argentifolii when applied to tomato leaves. Field experiments using sticky traps compared whitefly abundance in plots surrounded by W. trilobata and control plots (without wedelia). No significant differences were obtained between treatments. Wedelia had no effect on whitefly abundance under field conditions.en_US
dc.description.abstractSe hicieron pruebas de laboratorio para entender la influencia de Wedelia trilobata (L.) Hitchc. sobre la oviposición de Bemisia argentifolii Bellows & Perring en hojas de tomate y sobre la presencia de Cosmopolites sordidus Germar en pseudotallos de plátano. Se aplicaron soluciones de extractos acuosos de W. trilobata (100, 75, 50, 25 y 0 %) a plantas expuestas a estos insectos. Los extractos acuosos repelieron los adultos de C. sordidus al aplicarlo a pedazos de pseudotallo de plátano, pero no afectó la razón de oviposición de B. argentifolii cuando se aplicó sobre hojas de plantas de tomate. Se utilizaron trampas pegajosas para comparar bajo condiciones de campo la abundancia de la mosca blanca en parcelas rodeadas por W. trilobata y en parcelas testigo (sin wedelia). No se obtuvieron diferencias significativas entre los tratamientos. La wedelia no tuvo efecto sobre la abundancia de mosca blanca bajo condiciones de campo.en_US
dc.subjectWedelia trilobata (L.) Hitchcen_US
dc.subjectBemisia argentifolii Bellows & Perringen_US
dc.subjectCosmopolites sordidus Germaren_US
dc.subjectHojas de tomateen_US
dc.subjectPseudotallo de plátanoen_US
dc.subject.lcshInsects pests--Biological control.en_US
dc.subject.lcshBemisia argentifolii--Biological control.en_US
dc.subject.lcshBanana root borer--Biological control.en_US
dc.subject.lcshTomatoes--Diseases and pests--Biological control.en_US
dc.subject.lcshPlantain banana--Diseases and pests--Biological control.en_US
dc.titleWedelia trilobata (L.) Hitchc. (Asteraceae) como repelente de Bemisia argentifolii Bellows & Perring (Homoptera: Aleyrodidae) y de Cosmopolites sordidus Germar (Coleoptera: Curculionidae)en_US
dc.rights.licenseAll rights reserveden_US
dc.rights.holder(c) 2001 Olgaly Ramos-Rodríguezen_US
dc.contributor.committeePantoja, Alberto
dc.contributor.committeeAcosta, Jaime A.
dc.contributor.representativeGonzález, Ángel
dc.contributor.collegeCollege of Arts and Sciences - Sciencesen_US
dc.contributor.departmentDepartment of Biologyen_US

Files in this item


This item appears in the following Collection(s)

  • Theses & Dissertations
    Items included under this collection are theses, dissertations, and project reports submitted as a requirement for completing a graduate degree at UPR-Mayagüez.

Show simple item record

All rights reserved
Except where otherwise noted, this item's license is described as All Rights Reserved