Comparative response of Callosobruchus maculatus (Fab.) (Coleoptera: Chysomelidae) to Momordica charantia and Acalypha wilkesiana powders in stored cowpea (Vigna unguiculata) (Walp.)
Post-harvest preservation of cowpea in developing countries has been a major challenge owing to Callosobruchus maculatus infestation. The study compares response of C. maculatus (F) to Momordica charantia and Acalypha wilkesiana powders in stored cowpea seeds under laboratory atmosphere. Five pairs...
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| Format: | Online |
| Language: | eng |
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Sociedad Colombiana de Ciencias Hortícolas-SCCH and Universidad Pedagógica y Tecnológica de Colombia-UPTC
2020
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| Online Access: | https://revistas.uptc.edu.co/index.php/ciencias_horticolas/article/view/9840 |
| _version_ | 1801706297024839680 |
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| author | Adeboye, Oyewale Rufus Oni, Mercy Olayinka Adesina, Jacobs Mobolade |
| author_facet | Adeboye, Oyewale Rufus Oni, Mercy Olayinka Adesina, Jacobs Mobolade |
| author_sort | Adeboye, Oyewale Rufus |
| collection | OJS |
| description | Post-harvest preservation of cowpea in developing countries has been a major challenge owing to Callosobruchus maculatus infestation. The study compares response of C. maculatus (F) to Momordica charantia and Acalypha wilkesiana powders in stored cowpea seeds under laboratory atmosphere. Five pairs of freshly emerged C. maculatus adults were introduced into Petri-dish containing 20 g of cowpea admixed with 0.2, 0.4, 0.6 and 0.8 g of each plant powder, replicated thrice and arranged in a complete randomization design. Adult mortality was recorded at 24 h interval for 5 days, oviposition was recorded after 48 h. While newly emerged insects were recorded 30-35 days after infestation and weight loss was also determined. The treatments showed significant increase in C. maculatus adult mortality as the time of exposure and dosage increases, with highest values (90 and 100% for A. wilkesiana and M. charantia, respectively) at 120 h of exposure and 0.8 g dosage level. At 0.8 g, A. wilkesiana (66.3) and M. charantia (63.0) treated seeds recorded significantly lower number of eggs laid. Similar trend was equally observed for adult emergence and percentage weight loss. The study revealed that both plants had significant insecticidal effects and clearly showed that M. charantia was more effective than A. wilkesiana, but did not show higher significant differences in all the parameters assessed. This indicated that these plant powders have prospective to safeguard cowpea seeds in store from C. maculatus infestation and damage. Therefore, these plant should be included in the Integrated Pest Management Strategies for cowpea storage by small scale farmers. |
| format | Online |
| id | oai:oai.revistas.uptc.edu.co:article-9840 |
| institution | Revista Colombiana de Ciencias Hortícolas |
| language | eng |
| publishDate | 2020 |
| publisher | Sociedad Colombiana de Ciencias Hortícolas-SCCH and Universidad Pedagógica y Tecnológica de Colombia-UPTC |
| record_format | ojs |
| spelling | oai:oai.revistas.uptc.edu.co:article-98402021-10-22T21:48:28Z Comparative response of Callosobruchus maculatus (Fab.) (Coleoptera: Chysomelidae) to Momordica charantia and Acalypha wilkesiana powders in stored cowpea (Vigna unguiculata) (Walp.) Respuesta comparativa de Callosobruchus maculatus (Fab.) (Coleoptera: Chysomelidae) a polvos de Momordica charantia y Acalypha wilkesiana en caupí almacenado (Vigna unguiculata) (Walp.) Adeboye, Oyewale Rufus Oni, Mercy Olayinka Adesina, Jacobs Mobolade Bio-insecticides Seeds Postharvest preservation Adult mortality IPM Seeds Bean Bioinsecticidas Semillas Preservación poscosecha Mortalidad de adultos IPM Semillas Frijol Post-harvest preservation of cowpea in developing countries has been a major challenge owing to Callosobruchus maculatus infestation. The study compares response of C. maculatus (F) to Momordica charantia and Acalypha wilkesiana powders in stored cowpea seeds under laboratory atmosphere. Five pairs of freshly emerged C. maculatus adults were introduced into Petri-dish containing 20 g of cowpea admixed with 0.2, 0.4, 0.6 and 0.8 g of each plant powder, replicated thrice and arranged in a complete randomization design. Adult mortality was recorded at 24 h interval for 5 days, oviposition was recorded after 48 h. While newly emerged insects were recorded 30-35 days after infestation and weight loss was also determined. The treatments showed significant increase in C. maculatus adult mortality as the time of exposure and dosage increases, with highest values (90 and 100% for A. wilkesiana and M. charantia, respectively) at 120 h of exposure and 0.8 g dosage level. At 0.8 g, A. wilkesiana (66.3) and M. charantia (63.0) treated seeds recorded significantly lower number of eggs laid. Similar trend was equally observed for adult emergence and percentage weight loss. The study revealed that both plants had significant insecticidal effects and clearly showed that M. charantia was more effective than A. wilkesiana, but did not show higher significant differences in all the parameters assessed. This indicated that these plant powders have prospective to safeguard cowpea seeds in store from C. maculatus infestation and damage. Therefore, these plant should be included in the Integrated Pest Management Strategies for cowpea storage by small scale farmers. La preservación poscosecha del caupí en los países en desarrollo ha sido un desafío importante debido a la infestación de Callosobruchus maculatus. El estudio compara la respuesta de C. maculatus (F) a los polvos de Momordica charantia y Acalypha wilkesiana en semillas de caupí almacenadas en atmósfera de laboratorio. Se introdujeron cinco pares de adultos de C. maculatus recién emergidos en una placa de Petri que contenía 20 g de caupí mezclados con 0,2, 0,4, 0,6 y 0,8 g de cada polvo de planta, replicados tres veces y dispuestos en un diseño completamente al azar. La mortalidad adulta se registró en un intervalo de 24 h durante 5 días, la oviposición se registró después de 48 h. Mientras que los insectos recién emergidos se registraron 30-35 días después de la infestación y también se determinó la pérdida de peso. Los tratamientos mostraron un aumento significativo en la mortalidad de adultos de C. maculatus a medida que aumenta el tiempo de exposición y la dosis, con valores más altos (90 y 100% para A. wilkesiana y M. charantia, respectivamente) a las 120 h de exposición y dosis de 0,8 g. Con 0,8 g, las semillas tratadas de A. wilkesiana (66,3) y M. charantia (63,0) registraron un número significativamente menor de huevos puestos. Se observó igualmente una tendencia similar para la emergencia de adultos y el porcentaje de pérdida de peso. El estudio reveló que ambas plantas tenían efectos insecticidas significativos y mostró claramente que M. charantia fue más eficaz que A. wilkesiana, pero no mostró diferencias significativas más altas en todos los parámetros evaluados. Esto indicó que estos polvos de plantas tienen posibilidades de proteger las semillas de caupí almacenadas de la infestación y el daño de C. maculatus. Por lo tanto, estas plantas deben incluirse en las Estrategias de Manejo Integrado de Plagas para el almacenamiento de caupí por parte de pequeños agricultores. Sociedad Colombiana de Ciencias Hortícolas-SCCH and Universidad Pedagógica y Tecnológica de Colombia-UPTC 2020-05-01 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Text Texto application/pdf https://revistas.uptc.edu.co/index.php/ciencias_horticolas/article/view/9840 10.17584/rcch.2020v14i2.9840 Revista Colombiana de Ciencias Hortícolas; Vol. 14 No. 2 (2020); 224-230 Revista Colombiana de Ciencias Hortícolas; Vol. 14 Núm. 2 (2020); 224-230 Revista Colombiana de Ciencias Hortícolas; Vol. 14 No 2 (2020); 224-230 Revista Colombiana de Ciencias Hortícolas; V. 14 N. 2 (2020); 224-230 Revista Colombiana de Ciencias Hortícolas; v. 14 n. 2 (2020); 224-230 2422-3719 2011-2173 eng https://revistas.uptc.edu.co/index.php/ciencias_horticolas/article/view/9840/9892 Nigeria; Ondo; Akure Nigeria; Ondo; Akure Copyright (c) 2020 Revista Colombiana de Ciencias Hortícolas http://creativecommons.org/licenses/by-nc-sa/4.0 |
| spellingShingle | Bio-insecticides Seeds Postharvest preservation Adult mortality IPM Seeds Bean Bioinsecticidas Semillas Preservación poscosecha Mortalidad de adultos IPM Semillas Frijol Adeboye, Oyewale Rufus Oni, Mercy Olayinka Adesina, Jacobs Mobolade Comparative response of Callosobruchus maculatus (Fab.) (Coleoptera: Chysomelidae) to Momordica charantia and Acalypha wilkesiana powders in stored cowpea (Vigna unguiculata) (Walp.) |
| title | Comparative response of Callosobruchus maculatus (Fab.) (Coleoptera: Chysomelidae) to Momordica charantia and Acalypha wilkesiana powders in stored cowpea (Vigna unguiculata) (Walp.) |
| title_alt | Respuesta comparativa de Callosobruchus maculatus (Fab.) (Coleoptera: Chysomelidae) a polvos de Momordica charantia y Acalypha wilkesiana en caupí almacenado (Vigna unguiculata) (Walp.) |
| title_full | Comparative response of Callosobruchus maculatus (Fab.) (Coleoptera: Chysomelidae) to Momordica charantia and Acalypha wilkesiana powders in stored cowpea (Vigna unguiculata) (Walp.) |
| title_fullStr | Comparative response of Callosobruchus maculatus (Fab.) (Coleoptera: Chysomelidae) to Momordica charantia and Acalypha wilkesiana powders in stored cowpea (Vigna unguiculata) (Walp.) |
| title_full_unstemmed | Comparative response of Callosobruchus maculatus (Fab.) (Coleoptera: Chysomelidae) to Momordica charantia and Acalypha wilkesiana powders in stored cowpea (Vigna unguiculata) (Walp.) |
| title_short | Comparative response of Callosobruchus maculatus (Fab.) (Coleoptera: Chysomelidae) to Momordica charantia and Acalypha wilkesiana powders in stored cowpea (Vigna unguiculata) (Walp.) |
| title_sort | comparative response of callosobruchus maculatus fab coleoptera chysomelidae to momordica charantia and acalypha wilkesiana powders in stored cowpea vigna unguiculata walp |
| topic | Bio-insecticides Seeds Postharvest preservation Adult mortality IPM Seeds Bean Bioinsecticidas Semillas Preservación poscosecha Mortalidad de adultos IPM Semillas Frijol |
| topic_facet | Bio-insecticides Seeds Postharvest preservation Adult mortality IPM Seeds Bean Bioinsecticidas Semillas Preservación poscosecha Mortalidad de adultos IPM Semillas Frijol |
| url | https://revistas.uptc.edu.co/index.php/ciencias_horticolas/article/view/9840 |
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