A preliminary analysis of the costs and benefits of the biological control agent Dactylopius opuntiae on Opuntia stricta in Laikipia County, Kenya
Opuntia stricta (Haw.) Haw (Cactaceae) is invasive in Laikipia County, Kenya, impacting negatively on biodiversity and livelihoods. To control this invasive plant the biocontrol agent Dactylopius opuntiae (Cockerell) (Hemiptera; Dactylopiidae) ‘stricta’ biotype was released in 2014. A preliminary on...
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| Veröffentlicht in: | BioControl (Dordrecht, Netherlands) Netherlands), 2020-08, Vol.65 (4), p.515-523 |
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| creator | Witt, Arne B. R. Nunda, Winnie Makale, Fernadis Reynolds, Kathryn |
| description | Opuntia stricta
(Haw.) Haw (Cactaceae) is invasive in Laikipia County, Kenya, impacting negatively on biodiversity and livelihoods. To control this invasive plant the biocontrol agent
Dactylopius opuntiae
(Cockerell) (Hemiptera; Dactylopiidae) ‘stricta’ biotype was released in 2014. A preliminary once-off survey to determine the impact of the cochineal revealed that it had contributed to a significant reduction in the number of cladodes, flowers and fruit of plants with cochineal. Fruits that were produced on plants with the cochineal were also smaller and had fewer seeds. Although still preliminary, an analysis of the costs of implementing this biocontrol programme indicates that it is the most cost-effective management intervention compared to physical and/or chemical control. Although the impact of the cochineal is still fairly localized we are confident that it will establish in much of the invaded range and reduce the impacts of the invasive cactus, consequently improving rangeland condition and livelihoods. |
| doi_str_mv | 10.1007/s10526-020-10018-x |
| format | Article |
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(Haw.) Haw (Cactaceae) is invasive in Laikipia County, Kenya, impacting negatively on biodiversity and livelihoods. To control this invasive plant the biocontrol agent
Dactylopius opuntiae
(Cockerell) (Hemiptera; Dactylopiidae) ‘stricta’ biotype was released in 2014. A preliminary once-off survey to determine the impact of the cochineal revealed that it had contributed to a significant reduction in the number of cladodes, flowers and fruit of plants with cochineal. Fruits that were produced on plants with the cochineal were also smaller and had fewer seeds. Although still preliminary, an analysis of the costs of implementing this biocontrol programme indicates that it is the most cost-effective management intervention compared to physical and/or chemical control. Although the impact of the cochineal is still fairly localized we are confident that it will establish in much of the invaded range and reduce the impacts of the invasive cactus, consequently improving rangeland condition and livelihoods.</description><identifier>ISSN: 1386-6141</identifier><identifier>EISSN: 1573-8248</identifier><identifier>DOI: 10.1007/s10526-020-10018-x</identifier><language>eng</language><publisher>Dordrecht: Springer Netherlands</publisher><subject>Agriculture ; Animal Biochemistry ; Animal Ecology ; Behavioral Sciences ; Biodiversity ; Biological control ; Biomedical and Life Sciences ; Cactus ; Chemical control ; Cost benefit analysis ; Dactylopius opuntiae ; Entomology ; Fruits ; Invasive plants ; Life Sciences ; Livestock ; Opuntia stricta ; Plant Pathology ; Plants (botany) ; Rain ; Rangelands ; Seeds ; Vegetation</subject><ispartof>BioControl (Dordrecht, Netherlands), 2020-08, Vol.65 (4), p.515-523</ispartof><rights>The Author(s) 2020</rights><rights>The Author(s) 2020. This work is published under http://creativecommons.org/licenses/by/4.0/ (the “License”). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c363t-907bb539d5cf14631f4447bc5c677da9761f878040488a81fcde4a0ce21ab4943</citedby><cites>FETCH-LOGICAL-c363t-907bb539d5cf14631f4447bc5c677da9761f878040488a81fcde4a0ce21ab4943</cites><orcidid>0000-0003-2257-4411</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s10526-020-10018-x$$EPDF$$P50$$Gspringer$$Hfree_for_read</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s10526-020-10018-x$$EHTML$$P50$$Gspringer$$Hfree_for_read</linktohtml><link.rule.ids>314,780,784,27924,27925,41488,42557,51319</link.rule.ids></links><search><creatorcontrib>Witt, Arne B. R.</creatorcontrib><creatorcontrib>Nunda, Winnie</creatorcontrib><creatorcontrib>Makale, Fernadis</creatorcontrib><creatorcontrib>Reynolds, Kathryn</creatorcontrib><title>A preliminary analysis of the costs and benefits of the biological control agent Dactylopius opuntiae on Opuntia stricta in Laikipia County, Kenya</title><title>BioControl (Dordrecht, Netherlands)</title><addtitle>BioControl</addtitle><description>Opuntia stricta
(Haw.) Haw (Cactaceae) is invasive in Laikipia County, Kenya, impacting negatively on biodiversity and livelihoods. To control this invasive plant the biocontrol agent
Dactylopius opuntiae
(Cockerell) (Hemiptera; Dactylopiidae) ‘stricta’ biotype was released in 2014. A preliminary once-off survey to determine the impact of the cochineal revealed that it had contributed to a significant reduction in the number of cladodes, flowers and fruit of plants with cochineal. Fruits that were produced on plants with the cochineal were also smaller and had fewer seeds. Although still preliminary, an analysis of the costs of implementing this biocontrol programme indicates that it is the most cost-effective management intervention compared to physical and/or chemical control. 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(Haw.) Haw (Cactaceae) is invasive in Laikipia County, Kenya, impacting negatively on biodiversity and livelihoods. To control this invasive plant the biocontrol agent
Dactylopius opuntiae
(Cockerell) (Hemiptera; Dactylopiidae) ‘stricta’ biotype was released in 2014. A preliminary once-off survey to determine the impact of the cochineal revealed that it had contributed to a significant reduction in the number of cladodes, flowers and fruit of plants with cochineal. Fruits that were produced on plants with the cochineal were also smaller and had fewer seeds. Although still preliminary, an analysis of the costs of implementing this biocontrol programme indicates that it is the most cost-effective management intervention compared to physical and/or chemical control. Although the impact of the cochineal is still fairly localized we are confident that it will establish in much of the invaded range and reduce the impacts of the invasive cactus, consequently improving rangeland condition and livelihoods.</abstract><cop>Dordrecht</cop><pub>Springer Netherlands</pub><doi>10.1007/s10526-020-10018-x</doi><tpages>9</tpages><orcidid>https://orcid.org/0000-0003-2257-4411</orcidid><oa>free_for_read</oa></addata></record> |
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| subjects | Agriculture Animal Biochemistry Animal Ecology Behavioral Sciences Biodiversity Biological control Biomedical and Life Sciences Cactus Chemical control Cost benefit analysis Dactylopius opuntiae Entomology Fruits Invasive plants Life Sciences Livestock Opuntia stricta Plant Pathology Plants (botany) Rain Rangelands Seeds Vegetation |
| title | A preliminary analysis of the costs and benefits of the biological control agent Dactylopius opuntiae on Opuntia stricta in Laikipia County, Kenya |
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