Banana weevil, Cosmopolites sordidus Germar (Coleoptera, Curculionidae) infestation of cooking and beer bananas in adjacent stands in Uganda

Banana-weevil populations and associated damage were studied in adjacent plantations of highland cooking-bananas (cultivar Kibuzi) and introduced beer-bananas (cv. Kisubi) on a farm in central Uganda. Weevil density and mobility were assessed using mark and rerapture techniques. Residual banana corm...

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Autores principales: Gold, Cliford S., Bagabe, M.I.
Formato: Journal Article
Lenguaje:Inglés
Publicado: 1997
Materias:
Acceso en línea:https://hdl.handle.net/10568/98677
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author Gold, Cliford S.
Bagabe, M.I.
author_browse Bagabe, M.I.
Gold, Cliford S.
author_facet Gold, Cliford S.
Bagabe, M.I.
author_sort Gold, Cliford S.
collection Repository of Agricultural Research Outputs (CGSpace)
description Banana-weevil populations and associated damage were studied in adjacent plantations of highland cooking-bananas (cultivar Kibuzi) and introduced beer-bananas (cv. Kisubi) on a farm in central Uganda. Weevil density and mobility were assessed using mark and rerapture techniques. Residual banana corms and pseudostems were evaluated for weevil damage at various intervals following harvest. Newly harvested cooking-bananas revealed moderate weevil damage that reached the corm centre, whereas damage to beer-bananas was light and restricted to the corm periphery. Weevils attacking beer-bananas preferred post-harvest residues to growing plants and post-harvest stems were far more susceptible to attack than post-harvest corms. Despite the resistance of Kisubi plants, weevil captures and population densities were always higher than those in the Kibuzi plantation. There was no obvious migration of weevils between the two plantations. High weevil populations in beer-banana plantations appear to originate from post-harvest residues and have been maintained by a combination of factors, particularly soil moisture. Yield loss in beer-bananas was probably limited since attack was largely confined to post-harvest residues.
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spelling CGSpace986772024-01-17T12:58:34Z Banana weevil, Cosmopolites sordidus Germar (Coleoptera, Curculionidae) infestation of cooking and beer bananas in adjacent stands in Uganda Gold, Cliford S. Bagabe, M.I. bananas cosmopolites sordidus Banana-weevil populations and associated damage were studied in adjacent plantations of highland cooking-bananas (cultivar Kibuzi) and introduced beer-bananas (cv. Kisubi) on a farm in central Uganda. Weevil density and mobility were assessed using mark and rerapture techniques. Residual banana corms and pseudostems were evaluated for weevil damage at various intervals following harvest. Newly harvested cooking-bananas revealed moderate weevil damage that reached the corm centre, whereas damage to beer-bananas was light and restricted to the corm periphery. Weevils attacking beer-bananas preferred post-harvest residues to growing plants and post-harvest stems were far more susceptible to attack than post-harvest corms. Despite the resistance of Kisubi plants, weevil captures and population densities were always higher than those in the Kibuzi plantation. There was no obvious migration of weevils between the two plantations. High weevil populations in beer-banana plantations appear to originate from post-harvest residues and have been maintained by a combination of factors, particularly soil moisture. Yield loss in beer-bananas was probably limited since attack was largely confined to post-harvest residues. 1997 2018-12-19T07:01:24Z 2018-12-19T07:01:24Z Journal Article https://hdl.handle.net/10568/98677 en Limited Access Gold, C.S. & Bagabe, M.I. (1997). Banana weevil, Cosmopolites sordidus Germar (Coleoptera: Curculionidae), infestations of cooking-and beer-bananas in adjacent plantations in Uganda. African Entomology, 5(1), 103-108.
spellingShingle bananas
cosmopolites sordidus
Gold, Cliford S.
Bagabe, M.I.
Banana weevil, Cosmopolites sordidus Germar (Coleoptera, Curculionidae) infestation of cooking and beer bananas in adjacent stands in Uganda
title Banana weevil, Cosmopolites sordidus Germar (Coleoptera, Curculionidae) infestation of cooking and beer bananas in adjacent stands in Uganda
title_full Banana weevil, Cosmopolites sordidus Germar (Coleoptera, Curculionidae) infestation of cooking and beer bananas in adjacent stands in Uganda
title_fullStr Banana weevil, Cosmopolites sordidus Germar (Coleoptera, Curculionidae) infestation of cooking and beer bananas in adjacent stands in Uganda
title_full_unstemmed Banana weevil, Cosmopolites sordidus Germar (Coleoptera, Curculionidae) infestation of cooking and beer bananas in adjacent stands in Uganda
title_short Banana weevil, Cosmopolites sordidus Germar (Coleoptera, Curculionidae) infestation of cooking and beer bananas in adjacent stands in Uganda
title_sort banana weevil cosmopolites sordidus germar coleoptera curculionidae infestation of cooking and beer bananas in adjacent stands in uganda
topic bananas
cosmopolites sordidus
url https://hdl.handle.net/10568/98677
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AT bagabemi bananaweevilcosmopolitessordidusgermarcoleopteracurculionidaeinfestationofcookingandbeerbananasinadjacentstandsinuganda