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Nontarget effects of a weed biological control agent on a native plant in Northern Australia
Some weed biological control agents are released despite predictions that they might damage nontarget host plants in the field. Based on prerelease laboratory tests it was predicted that Neurostrota gunniella, an agent released in Australia against Mimosa pigra, may occasionally use Neptunia spp. as...
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| Published in: | Biological control 2007-07, Vol.42 (1), p.25-33 |
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| Language: | English |
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| cites | cdi_FETCH-LOGICAL-c373t-702ed61d96d408633a1329154f2cde9d6d5c025d7a26d8e814108f8c4b13c3e13 |
| container_end_page | 33 |
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| container_title | Biological control |
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| creator | Taylor, Dianne B.J. Heard, Tim A. Paynter, Quentin Spafford, Helen |
| description | Some weed biological control agents are released despite predictions that they might damage nontarget host plants in the field. Based on prerelease laboratory tests it was predicted that
Neurostrota gunniella, an agent released in Australia against
Mimosa pigra, may occasionally use
Neptunia spp. as hosts. However, due to high larval mortality on these species,
N. gunniella was not expected to persist on
Neptunia spp., nor have a significant effect on them.
N. gunniella has established widely and is now abundant on the target weed, which grows sympatrically with at least one species of
Neptunia. We investigated the nontarget attack of
Neptunia major in the field, and the effect of that attack on plant growth and reproduction. Although an average of 61% of
N. major plants growing adjacent to
M. pigra thickets had evidence of
N. gunniella attack, the intensity of attack was relatively low. At sites where
M. pigra was not present, use of
N. major plants by
N. gunniella was noticeably reduced or absent. From glasshouse experiments, we determined that
N. gunniella attack causes increased stem tip death and hinders plant growth in both plantlets and mature plants. At the highest level of attack recorded on
N. major in the field, tip death increases by 54% and plant height would decrease by 6%. The effect of
N. gunniella on the reproductive output of
N. major could not be clearly resolved, but is likely to be small. Our findings support the predictions made during prerelease studies of
N. gunniella. |
| doi_str_mv | 10.1016/j.biocontrol.2007.04.002 |
| format | article |
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Neurostrota gunniella, an agent released in Australia against
Mimosa pigra, may occasionally use
Neptunia spp. as hosts. However, due to high larval mortality on these species,
N. gunniella was not expected to persist on
Neptunia spp., nor have a significant effect on them.
N. gunniella has established widely and is now abundant on the target weed, which grows sympatrically with at least one species of
Neptunia. We investigated the nontarget attack of
Neptunia major in the field, and the effect of that attack on plant growth and reproduction. Although an average of 61% of
N. major plants growing adjacent to
M. pigra thickets had evidence of
N. gunniella attack, the intensity of attack was relatively low. At sites where
M. pigra was not present, use of
N. major plants by
N. gunniella was noticeably reduced or absent. From glasshouse experiments, we determined that
N. gunniella attack causes increased stem tip death and hinders plant growth in both plantlets and mature plants. At the highest level of attack recorded on
N. major in the field, tip death increases by 54% and plant height would decrease by 6%. The effect of
N. gunniella on the reproductive output of
N. major could not be clearly resolved, but is likely to be small. Our findings support the predictions made during prerelease studies of
N. gunniella.</description><identifier>ISSN: 1049-9644</identifier><identifier>EISSN: 1090-2112</identifier><identifier>DOI: 10.1016/j.biocontrol.2007.04.002</identifier><language>eng</language><publisher>Elsevier Inc</publisher><subject>biological control agents ; Gracillariidae ; host plants ; Host specificity ; Host testing ; indigenous species ; Mimosa pigra ; mortality ; Neptunia ; Neptunia major ; Neurostrota gunniella ; nontarget organisms ; plant growth ; plant reproduction ; weed control</subject><ispartof>Biological control, 2007-07, Vol.42 (1), p.25-33</ispartof><rights>2007 Elsevier Inc.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c373t-702ed61d96d408633a1329154f2cde9d6d5c025d7a26d8e814108f8c4b13c3e13</citedby><cites>FETCH-LOGICAL-c373t-702ed61d96d408633a1329154f2cde9d6d5c025d7a26d8e814108f8c4b13c3e13</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids></links><search><creatorcontrib>Taylor, Dianne B.J.</creatorcontrib><creatorcontrib>Heard, Tim A.</creatorcontrib><creatorcontrib>Paynter, Quentin</creatorcontrib><creatorcontrib>Spafford, Helen</creatorcontrib><title>Nontarget effects of a weed biological control agent on a native plant in Northern Australia</title><title>Biological control</title><description>Some weed biological control agents are released despite predictions that they might damage nontarget host plants in the field. Based on prerelease laboratory tests it was predicted that
Neurostrota gunniella, an agent released in Australia against
Mimosa pigra, may occasionally use
Neptunia spp. as hosts. However, due to high larval mortality on these species,
N. gunniella was not expected to persist on
Neptunia spp., nor have a significant effect on them.
N. gunniella has established widely and is now abundant on the target weed, which grows sympatrically with at least one species of
Neptunia. We investigated the nontarget attack of
Neptunia major in the field, and the effect of that attack on plant growth and reproduction. Although an average of 61% of
N. major plants growing adjacent to
M. pigra thickets had evidence of
N. gunniella attack, the intensity of attack was relatively low. At sites where
M. pigra was not present, use of
N. major plants by
N. gunniella was noticeably reduced or absent. From glasshouse experiments, we determined that
N. gunniella attack causes increased stem tip death and hinders plant growth in both plantlets and mature plants. At the highest level of attack recorded on
N. major in the field, tip death increases by 54% and plant height would decrease by 6%. The effect of
N. gunniella on the reproductive output of
N. major could not be clearly resolved, but is likely to be small. Our findings support the predictions made during prerelease studies of
N. gunniella.</description><subject>biological control agents</subject><subject>Gracillariidae</subject><subject>host plants</subject><subject>Host specificity</subject><subject>Host testing</subject><subject>indigenous species</subject><subject>Mimosa pigra</subject><subject>mortality</subject><subject>Neptunia</subject><subject>Neptunia major</subject><subject>Neurostrota gunniella</subject><subject>nontarget organisms</subject><subject>plant growth</subject><subject>plant reproduction</subject><subject>weed control</subject><issn>1049-9644</issn><issn>1090-2112</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2007</creationdate><recordtype>article</recordtype><recordid>eNqFkE1LAzEQhhdRsH78BnPytutMku7HsRa_QPSg3oQQk9masm5qklb896ZU8OhpwvC8M5OnKBhChYD1xbJ6c974MQU_VBygqUBWAHyvmCB0UHJEvr99y67saikPi6MYlwCIsoFJ8fqQozosKDHqezIpMt8zzb6ILMuTB79wRg_sdwPTCxoT82NGRp3chthq0LnjRvbgQ3qnMLLZOqagB6dPioNeD5FOf-tx8XJ99Ty_Le8fb-7ms_vSiEaksgFOtkbb1VZCWwuhUfAOp7LnxlJnazs1wKe20by2LbUoEdq-NfINhRGE4rg4381dBf-5ppjUh4uGhnwZ-XVU2NUgQbYZbHegCT7GQL1aBfehw7dCUFudaqn-dKqtTgVSZZ05eraL9torvQguqpcnDigy004lbq-43BGUv7pxFFQ0jkZD1oUsVlnv_l_zA0eOjOk</recordid><startdate>20070701</startdate><enddate>20070701</enddate><creator>Taylor, Dianne B.J.</creator><creator>Heard, Tim A.</creator><creator>Paynter, Quentin</creator><creator>Spafford, Helen</creator><general>Elsevier Inc</general><scope>FBQ</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SS</scope><scope>7T7</scope><scope>8FD</scope><scope>C1K</scope><scope>FR3</scope><scope>P64</scope></search><sort><creationdate>20070701</creationdate><title>Nontarget effects of a weed biological control agent on a native plant in Northern Australia</title><author>Taylor, Dianne B.J. ; Heard, Tim A. ; Paynter, Quentin ; Spafford, Helen</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c373t-702ed61d96d408633a1329154f2cde9d6d5c025d7a26d8e814108f8c4b13c3e13</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2007</creationdate><topic>biological control agents</topic><topic>Gracillariidae</topic><topic>host plants</topic><topic>Host specificity</topic><topic>Host testing</topic><topic>indigenous species</topic><topic>Mimosa pigra</topic><topic>mortality</topic><topic>Neptunia</topic><topic>Neptunia major</topic><topic>Neurostrota gunniella</topic><topic>nontarget organisms</topic><topic>plant growth</topic><topic>plant reproduction</topic><topic>weed control</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Taylor, Dianne B.J.</creatorcontrib><creatorcontrib>Heard, Tim A.</creatorcontrib><creatorcontrib>Paynter, Quentin</creatorcontrib><creatorcontrib>Spafford, Helen</creatorcontrib><collection>AGRIS</collection><collection>CrossRef</collection><collection>Entomology Abstracts (Full archive)</collection><collection>Industrial and Applied Microbiology Abstracts (Microbiology A)</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Engineering Research Database</collection><collection>Biotechnology and BioEngineering Abstracts</collection><jtitle>Biological control</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Taylor, Dianne B.J.</au><au>Heard, Tim A.</au><au>Paynter, Quentin</au><au>Spafford, Helen</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Nontarget effects of a weed biological control agent on a native plant in Northern Australia</atitle><jtitle>Biological control</jtitle><date>2007-07-01</date><risdate>2007</risdate><volume>42</volume><issue>1</issue><spage>25</spage><epage>33</epage><pages>25-33</pages><issn>1049-9644</issn><eissn>1090-2112</eissn><abstract>Some weed biological control agents are released despite predictions that they might damage nontarget host plants in the field. Based on prerelease laboratory tests it was predicted that
Neurostrota gunniella, an agent released in Australia against
Mimosa pigra, may occasionally use
Neptunia spp. as hosts. However, due to high larval mortality on these species,
N. gunniella was not expected to persist on
Neptunia spp., nor have a significant effect on them.
N. gunniella has established widely and is now abundant on the target weed, which grows sympatrically with at least one species of
Neptunia. We investigated the nontarget attack of
Neptunia major in the field, and the effect of that attack on plant growth and reproduction. Although an average of 61% of
N. major plants growing adjacent to
M. pigra thickets had evidence of
N. gunniella attack, the intensity of attack was relatively low. At sites where
M. pigra was not present, use of
N. major plants by
N. gunniella was noticeably reduced or absent. From glasshouse experiments, we determined that
N. gunniella attack causes increased stem tip death and hinders plant growth in both plantlets and mature plants. At the highest level of attack recorded on
N. major in the field, tip death increases by 54% and plant height would decrease by 6%. The effect of
N. gunniella on the reproductive output of
N. major could not be clearly resolved, but is likely to be small. Our findings support the predictions made during prerelease studies of
N. gunniella.</abstract><pub>Elsevier Inc</pub><doi>10.1016/j.biocontrol.2007.04.002</doi><tpages>9</tpages></addata></record> |
| fulltext | fulltext |
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| ispartof | Biological control, 2007-07, Vol.42 (1), p.25-33 |
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| language | eng |
| recordid | cdi_proquest_miscellaneous_19604048 |
| source | ScienceDirect Freedom Collection |
| subjects | biological control agents Gracillariidae host plants Host specificity Host testing indigenous species Mimosa pigra mortality Neptunia Neptunia major Neurostrota gunniella nontarget organisms plant growth plant reproduction weed control |
| title | Nontarget effects of a weed biological control agent on a native plant in Northern Australia |
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