Compatibility of selected herbicides with entomopathogenic fungus Beauveria bassiana (Bals.) Vuill
Identifieur interne : 001170 ( Istex/Corpus ); précédent : 001169; suivant : 001171Compatibility of selected herbicides with entomopathogenic fungus Beauveria bassiana (Bals.) Vuill
Auteurs : Franci Celar ; Katarina KosSource :
- Acta agriculturae Slovenica [ 1581-9175 ] ; 2012-03-01.
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Abstract
The in vitro effect of five commonly used herbicides viz., pyridate, fluazifop-P-butyl, foramsulfuron, tembotrione and S-metolachlor on mycelial growth of entomopathogenic fungus Beauveria bassiana (ATCC 74040) was evaluated each at different concentrations: 100, 75, 50, 25, 12.5, 6.25 and 0% of recommended field application rate on PDA agar plates at 15 and 25°C. The herbicides tested were classified in 1-4 scoring categories based on reduction in mycelial growth: 1 = harmless (<25% reduction), 2 = slightly harmful (25-50%), 3 = moderately harmful (51-75%), harmful (>75%) in toxicity tests. All the five herbicides had fungistatic effect to B. bassiana at varying intensities depending on their concentrations in medium. The present study showed that B. bassiana is very sensitive to the herbicides tested, particularly at recommended as well as lower field dosage. The selected herbicides foramsulfuron, tembotrione and S-metolachlor have strong fungistatic effect on mycelial growth (> 75% inhibition) at 15 °C and concentrations from 50 to 100%. Foramsulfuron has fungicidal effect at 100 % concentration. Foramsulfuron, tembotrione and S-metolachlor were less inhibitory at 25 than at 15 °C, but the temperature had no influence on reduction of mycelial growth at pyridate and fluazifop-P-butyl. Of the herbicides tested, pyridate and fluazifop-P-butyl showed less adverse effects and are probably compatible with B. bassiana in the field. However, extensive field studies complemented by parallel laboratory experiments should consider assessing the interaction between selected herbicides and B. bassiana isolates to evaluate their ecological impact in cropped environments.
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DOI: 10.2478/v10014-012-0007-2
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ISTEX:67BC111B2ECA702F3CC3ABF36B3BB599275728C2Le document en format XML
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Vuill</title><author><name sortKey="Celar, Franci" sort="Celar, Franci" uniqKey="Celar F" first="Franci" last="Celar">Franci Celar</name><affiliation><mods:affiliation>Katedra za fitomedicino, Kmetijsko Tehniko, Poljedelstvo, pašništvo in travništvo, Jamnikarjeva 101, SI-1111 Ljubljana</mods:affiliation></affiliation></author><author><name sortKey="Kos, Katarina" sort="Kos, Katarina" uniqKey="Kos K" first="Katarina" last="Kos">Katarina Kos</name><affiliation><mods:affiliation>Univ. dipl. inž. agr., Prav tam</mods:affiliation></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">ISTEX</idno><idno type="RBID">ISTEX:67BC111B2ECA702F3CC3ABF36B3BB599275728C2</idno><date when="2012" year="2012">2012</date><idno type="doi">10.2478/v10014-012-0007-2</idno><idno type="url">https://api.istex.fr/document/67BC111B2ECA702F3CC3ABF36B3BB599275728C2/fulltext/pdf</idno><idno type="wicri:Area/Istex/Corpus">001170</idno><idno type="wicri:explorRef" wicri:stream="Istex" wicri:step="Corpus" wicri:corpus="ISTEX">001170</idno></publicationStmt><sourceDesc><biblStruct><analytic><title level="a" type="main" xml:lang="en">Compatibility of selected herbicides with entomopathogenic fungus Beauveria bassiana (Bals.) Vuill</title><author><name sortKey="Celar, Franci" sort="Celar, Franci" uniqKey="Celar F" first="Franci" last="Celar">Franci Celar</name><affiliation><mods:affiliation>Katedra za fitomedicino, Kmetijsko Tehniko, Poljedelstvo, pašništvo in travništvo, Jamnikarjeva 101, SI-1111 Ljubljana</mods:affiliation></affiliation></author><author><name sortKey="Kos, Katarina" sort="Kos, Katarina" uniqKey="Kos K" first="Katarina" last="Kos">Katarina Kos</name><affiliation><mods:affiliation>Univ. dipl. inž. agr., Prav tam</mods:affiliation></affiliation></author></analytic><monogr></monogr><series><title level="j">Acta agriculturae Slovenica</title><idno type="ISSN">1581-9175</idno><idno type="eISSN">1854-1941</idno><imprint><publisher>Versita</publisher><date type="published" when="2012-03-01">2012-03-01</date><biblScope unit="volume">99</biblScope><biblScope unit="issue">1</biblScope><biblScope unit="page" from="57">57</biblScope><biblScope unit="page" to="63">63</biblScope></imprint><idno type="ISSN">1581-9175</idno></series><idno type="istex">67BC111B2ECA702F3CC3ABF36B3BB599275728C2</idno><idno type="DOI">10.2478/v10014-012-0007-2</idno><idno type="ArticleID">v10014-012-0007-2</idno><idno type="pdf">v10014-012-0007-2.pdf</idno></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">1581-9175</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>compatibility</term><term>herbicides</term><term>inhibition</term><term>mycelial growth</term></keywords></textClass><langUsage><language ident="en">en</language></langUsage></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">The in vitro effect of five commonly used herbicides viz., pyridate, fluazifop-P-butyl, foramsulfuron, tembotrione and S-metolachlor on mycelial growth of entomopathogenic fungus Beauveria bassiana (ATCC 74040) was evaluated each at different concentrations: 100, 75, 50, 25, 12.5, 6.25 and 0% of recommended field application rate on PDA agar plates at 15 and 25°C. The herbicides tested were classified in 1-4 scoring categories based on reduction in mycelial growth: 1 = harmless (<25% reduction), 2 = slightly harmful (25-50%), 3 = moderately harmful (51-75%), harmful (>75%) in toxicity tests. All the five herbicides had fungistatic effect to B. bassiana at varying intensities depending on their concentrations in medium. The present study showed that B. bassiana is very sensitive to the herbicides tested, particularly at recommended as well as lower field dosage. The selected herbicides foramsulfuron, tembotrione and S-metolachlor have strong fungistatic effect on mycelial growth (> 75% inhibition) at 15 °C and concentrations from 50 to 100%. Foramsulfuron has fungicidal effect at 100 % concentration. Foramsulfuron, tembotrione and S-metolachlor were less inhibitory at 25 than at 15 °C, but the temperature had no influence on reduction of mycelial growth at pyridate and fluazifop-P-butyl. Of the herbicides tested, pyridate and fluazifop-P-butyl showed less adverse effects and are probably compatible with B. bassiana in the field. However, extensive field studies complemented by parallel laboratory experiments should consider assessing the interaction between selected herbicides and B. bassiana isolates to evaluate their ecological impact in cropped environments.</div></front></TEI><istex><corpusName>degruyter-journals</corpusName><author><json:item><name>Franci Celar</name><affiliations><json:string>Katedra za fitomedicino, Kmetijsko Tehniko, Poljedelstvo, pašništvo in travništvo, Jamnikarjeva 101, SI-1111 Ljubljana</json:string></affiliations></json:item><json:item><name>Katarina Kos</name><affiliations><json:string>Univ. dipl. inž. agr., Prav tam</json:string></affiliations></json:item></author><subject><json:item><lang><json:string>eng</json:string></lang><value>herbicides</value></json:item><json:item><lang><json:string>eng</json:string></lang><value>inhibition</value></json:item><json:item><lang><json:string>eng</json:string></lang><value>mycelial growth</value></json:item><json:item><lang><json:string>eng</json:string></lang><value>compatibility</value></json:item><json:item><lang><json:string>eng</json:string></lang><value>herbicidi</value></json:item><json:item><lang><json:string>eng</json:string></lang><value>inhibicija</value></json:item><json:item><lang><json:string>eng</json:string></lang><value>rast micelija</value></json:item><json:item><lang><json:string>eng</json:string></lang><value>kompatibilnost</value></json:item></subject><articleId><json:string>v10014-012-0007-2</json:string></articleId><language><json:string>eng</json:string></language><originalGenre><json:string>research-article</json:string></originalGenre><abstract>The in vitro effect of five commonly used herbicides viz., pyridate, fluazifop-P-butyl, foramsulfuron, tembotrione and S-metolachlor on mycelial growth of entomopathogenic fungus Beauveria bassiana (ATCC 74040) was evaluated each at different concentrations: 100, 75, 50, 25, 12.5, 6.25 and 0% of recommended field application rate on PDA agar plates at 15 and 25°C. The herbicides tested were classified in 1-4 scoring categories based on reduction in mycelial growth: 1 = harmless (>25% reduction), 2 = slightly harmful (25-50%), 3 = moderately harmful (51-75%), harmful (>75%) in toxicity tests. All the five herbicides had fungistatic effect to B. bassiana at varying intensities depending on their concentrations in medium. The present study showed that B. bassiana is very sensitive to the herbicides tested, particularly at recommended as well as lower field dosage. The selected herbicides foramsulfuron, tembotrione and S-metolachlor have strong fungistatic effect on mycelial growth (> 75% inhibition) at 15 °C and concentrations from 50 to 100%. Foramsulfuron has fungicidal effect at 100 % concentration. Foramsulfuron, tembotrione and S-metolachlor were less inhibitory at 25 than at 15 °C, but the temperature had no influence on reduction of mycelial growth at pyridate and fluazifop-P-butyl. Of the herbicides tested, pyridate and fluazifop-P-butyl showed less adverse effects and are probably compatible with B. bassiana in the field. However, extensive field studies complemented by parallel laboratory experiments should consider assessing the interaction between selected herbicides and B. bassiana isolates to evaluate their ecological impact in cropped environments.</abstract><qualityIndicators><score>8.165</score><pdfVersion>1.5</pdfVersion><pdfPageSize>578.4 x 776.76 pts</pdfPageSize><refBibsNative>true</refBibsNative><keywordCount>8</keywordCount><abstractCharCount>1688</abstractCharCount><pdfWordCount>3261</pdfWordCount><pdfCharCount>22854</pdfCharCount><pdfPageCount>7</pdfPageCount><abstractWordCount>242</abstractWordCount></qualityIndicators><title>Compatibility of selected herbicides with entomopathogenic fungus Beauveria bassiana (Bals.) 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Vuill</title></titleStmt><publicationStmt><authority>ISTEX</authority><publisher>Versita</publisher><availability status="free"><p>Open Access</p></availability><date>2012-04-16</date></publicationStmt><sourceDesc><biblStruct type="inbook"><analytic><title level="a" type="main" xml:lang="en">Compatibility of selected herbicides with entomopathogenic fungus Beauveria bassiana (Bals.) Vuill</title><author xml:id="author-1"><persName><forename type="first">Franci</forename><surname>Celar</surname></persName><affiliation>Katedra za fitomedicino, Kmetijsko Tehniko, Poljedelstvo, pašništvo in travništvo, Jamnikarjeva 101, SI-1111 Ljubljana</affiliation></author><author xml:id="author-2"><persName><forename type="first">Katarina</forename><surname>Kos</surname></persName><affiliation>Univ. dipl. inž. agr., Prav tam</affiliation></author></analytic><monogr><title level="j">Acta agriculturae Slovenica</title><idno type="pISSN">1581-9175</idno><idno type="eISSN">1854-1941</idno><imprint><publisher>Versita</publisher><date type="published" when="2012-03-01"></date><biblScope unit="volume">99</biblScope><biblScope unit="issue">1</biblScope><biblScope unit="page" from="57">57</biblScope><biblScope unit="page" to="63">63</biblScope></imprint></monogr><idno type="istex">67BC111B2ECA702F3CC3ABF36B3BB599275728C2</idno><idno type="DOI">10.2478/v10014-012-0007-2</idno><idno type="ArticleID">v10014-012-0007-2</idno><idno type="pdf">v10014-012-0007-2.pdf</idno></biblStruct></sourceDesc></fileDesc><profileDesc><creation><date>2012-04-16</date></creation><langUsage><language ident="en">en</language></langUsage><abstract xml:lang="en"><p>The in vitro effect of five commonly used herbicides viz., pyridate, fluazifop-P-butyl, foramsulfuron, tembotrione and S-metolachlor on mycelial growth of entomopathogenic fungus Beauveria bassiana (ATCC 74040) was evaluated each at different concentrations: 100, 75, 50, 25, 12.5, 6.25 and 0% of recommended field application rate on PDA agar plates at 15 and 25°C. The herbicides tested were classified in 1-4 scoring categories based on reduction in mycelial growth: 1 = harmless (<25% reduction), 2 = slightly harmful (25-50%), 3 = moderately harmful (51-75%), harmful (>75%) in toxicity tests. All the five herbicides had fungistatic effect to B. bassiana at varying intensities depending on their concentrations in medium. The present study showed that B. bassiana is very sensitive to the herbicides tested, particularly at recommended as well as lower field dosage. The selected herbicides foramsulfuron, tembotrione and S-metolachlor have strong fungistatic effect on mycelial growth (> 75% inhibition) at 15 °C and concentrations from 50 to 100%. Foramsulfuron has fungicidal effect at 100 % concentration. Foramsulfuron, tembotrione and S-metolachlor were less inhibitory at 25 than at 15 °C, but the temperature had no influence on reduction of mycelial growth at pyridate and fluazifop-P-butyl. Of the herbicides tested, pyridate and fluazifop-P-butyl showed less adverse effects and are probably compatible with B. bassiana in the field. However, extensive field studies complemented by parallel laboratory experiments should consider assessing the interaction between selected herbicides and B. bassiana isolates to evaluate their ecological impact in cropped environments.</p></abstract><abstract xml:lang="sl"><p>V in vitro poskusih smo na PDA agarnih ploščah in temperaturah 15 ter 25 °C preučevali učinek petih pogosto uporabljanih herbicidov, in sicer piridata, fluazifop-P-butila, foramsulfurona, tembotriona in S-metolaklora na rast micelija entomopatogene glive B. bassiana (ATCC 74040) pri različnih koncentracijah: 100, 75, 50, 25, 12,5, 6,25 in 0 % priporočenega poljskega odmerka. Glede na inhibicijo rasti micelija smo po toksikoloških testih preučevane herbicide razvrstili v štiri razrede: 1 = neškodljiv (<25 % inhibicija), 2 = malo škodljiv (25 - 50 %), 3 = zmerno škodljiv (51 - 75 %), 4 = škodljiv (> 75 %). Vseh pet herbicidov ima fungistatičen učinek na glivo B. bassiana, na obseg pa vpliva njihova koncentracija v gojišču. Raziskava je pokazala, da je gliva B. bassiana zelo občutljiva na preizkušane herbicide, posebej pri priporočenih poljskih koncentracijah, pa tudi pri manjših odmerkih. Pri temperaturi 15 °C in koncentracijah od 50 do 100 % imajo herbicidi na podlagi foramsulfurona, tembotriona in S-metolaklora izrazit fungistatičen učinek (> 75% inhibicija), pri 100 % odmerku pa ima foramsulfuron celo fungicidni učinek. Foramsulfuron, tembotrion in S-metolaklor so bili manj inhibitorni pri 25 kot 15 °C. Temperatura ni vplivala na inhibicijo rasti micelija pri piridatu in fluazifop-P-butilu. Od vseh preizkušanih herbicidov sta imela piridat in fluazifop-P-butil najmanj zaviralnih učinkov in bi jih lahko uporabljali na pridelovalnih površinah skupaj z glivo B. bassiana. Poleg laboratorijskih testov s herbicidi bi morali izvajati vzporedne poskuse na pridelovalnih površinah, da bi dejansko izvrednotili njihov ekološki vpliv na glivo B. bassiana</p></abstract><textClass xml:lang="en"><keywords scheme="keyword"><list><head>Keywords</head><item><term>herbicides</term></item><item><term>inhibition</term></item><item><term>mycelial growth</term></item><item><term>compatibility</term></item></list></keywords></textClass><textClass xml:lang="sl"><keywords scheme="keyword"><list><head>Keywords</head><item><term>herbicidi</term></item><item><term>inhibicija</term></item><item><term>rast micelija</term></item><item><term>kompatibilnost</term></item></list></keywords></textClass></profileDesc><revisionDesc><change when="2012-04-16">Created</change><change when="2012-03-01">Published</change></revisionDesc></teiHeader></istex:fulltextTEI><json:item><extension>txt</extension><original>false</original><mimetype>text/plain</mimetype><uri>https://api.istex.fr/document/67BC111B2ECA702F3CC3ABF36B3BB599275728C2/fulltext/txt</uri></json:item></fulltext><metadata><istex:metadataXml wicri:clean="corpus degruyter-journals" wicri:toSee="no header"><istex:xmlDeclaration>version="1.0" encoding="utf-8"</istex:xmlDeclaration><istex:docType PUBLIC="-//NLM//DTD Journal Publishing DTD v3.0 20080202//EN" URI="journalpublishing3.dtd" name="istex:docType"></istex:docType><istex:document><article article-type="research-article" dtd-version="3.0" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">ACAS</journal-id><journal-title-group><abbrev-journal-title abbrev-type="full">Acta agriculturae Slovenica</abbrev-journal-title></journal-title-group><issn pub-type="epub">1854-1941</issn><issn pub-type="ppub">1581-9175</issn><publisher><publisher-name>Versita</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">v10014-012-0007-2</article-id><article-id pub-id-type="doi">10.2478/v10014-012-0007-2</article-id><title-group><article-title>Compatibility of selected herbicides with entomopathogenic fungus <italic>Beauveria bassiana</italic> (Bals.) Vuill</article-title></title-group><contrib-group><contrib contrib-type="author"><name><surname>Celar</surname><given-names>Franci</given-names></name><xref ref-type="aff" rid="A1"><sup>1</sup></xref></contrib><contrib contrib-type="author"><name><surname>Kos</surname><given-names>Katarina</given-names></name><xref ref-type="aff" rid="A2"><sup>1</sup></xref></contrib><aff id="A1">Katedra za fitomedicino, Kmetijsko Tehniko, Poljedelstvo, pašništvo in travništvo, Jamnikarjeva 101, SI-1111 Ljubljana<sup>1</sup></aff><aff id="A2">Univ. dipl. inž. agr., Prav tam<sup>2</sup></aff></contrib-group><author-notes><corresp></corresp></author-notes><pub-date pub-type="ppub"><day>1</day><month>3</month><year>2012</year></pub-date><pub-date pub-type="epub"><day>16</day><month>4</month><year>2012</year></pub-date><volume>99</volume><issue>1</issue><fpage>57</fpage><lpage>63</lpage><permissions><license license-type="open-access"><license-p>This content is open access.</license-p></license></permissions><related-article related-article-type="pdf" xlink:href="v10014-012-0007-2.pdf"></related-article><abstract xml:lang="en"><title>Compatibility of selected herbicides with entomopathogenic fungus <italic>Beauveria bassiana</italic> (Bals.) Vuill</title><p>The <italic>in vitro</italic> effect of five commonly used herbicides <italic>viz.</italic>, pyridate, fluazifop-P-butyl, foramsulfuron, tembotrione and S-metolachlor on mycelial growth of entomopathogenic fungus <italic>Beauveria bassiana</italic> (ATCC 74040) was evaluated each at different concentrations: 100, 75, 50, 25, 12.5, 6.25 and 0% of recommended field application rate on PDA agar plates at 15 and 25°C. The herbicides tested were classified in 1-4 scoring categories based on reduction in mycelial growth: 1 = harmless (<25% reduction), 2 = slightly harmful (25-50%), 3 = moderately harmful (51-75%), harmful (>75%) in toxicity tests. All the five herbicides had fungistatic effect to <italic>B. bassiana</italic> at varying intensities depending on their concentrations in medium. The present study showed that <italic>B. bassiana</italic> is very sensitive to the herbicides tested, particularly at recommended as well as lower field dosage. The selected herbicides foramsulfuron, tembotrione and S-metolachlor have strong fungistatic effect on mycelial growth (> 75% inhibition) at 15 °C and concentrations from 50 to 100%. Foramsulfuron has fungicidal effect at 100 % concentration. Foramsulfuron, tembotrione and S-metolachlor were less inhibitory at 25 than at 15 °C, but the temperature had no influence on reduction of mycelial growth at pyridate and fluazifop-P-butyl. Of the herbicides tested, pyridate and fluazifop-P-butyl showed less adverse effects and are probably compatible with <italic>B. bassiana</italic> in the field. However, extensive field studies complemented by parallel laboratory experiments should consider assessing the interaction between selected herbicides and <italic>B. bassiana</italic> isolates to evaluate their ecological impact in cropped environments.</p></abstract><abstract xml:lang="sl"><title>Kompatibilnost Izbranih Herbicidov z Entomopatogeno Glivo <italic>Beauveria bassiana</italic> (Bals.) Vuill</title><p>V <italic>in vitro</italic> poskusih smo na PDA agarnih ploščah in temperaturah 15 ter 25 °C preučevali učinek petih pogosto uporabljanih herbicidov, in sicer piridata, fluazifop-P-butila, foramsulfurona, tembotriona in S-metolaklora na rast micelija entomopatogene glive <italic>B. bassiana</italic> (ATCC 74040) pri različnih koncentracijah: 100, 75, 50, 25, 12,5, 6,25 in 0 % priporočenega poljskega odmerka. Glede na inhibicijo rasti micelija smo po toksikoloških testih preučevane herbicide razvrstili v štiri razrede: 1 = neškodljiv (<25 % inhibicija), 2 = malo škodljiv (25 - 50 %), 3 = zmerno škodljiv (51 - 75 %), 4 = škodljiv (> 75 %). Vseh pet herbicidov ima fungistatičen učinek na glivo <italic>B. bassiana</italic>, na obseg pa vpliva njihova koncentracija v gojišču. Raziskava je pokazala, da je gliva <italic>B. bassiana</italic> zelo občutljiva na preizkušane herbicide, posebej pri priporočenih poljskih koncentracijah, pa tudi pri manjših odmerkih. Pri temperaturi 15 °C in koncentracijah od 50 do 100 % imajo herbicidi na podlagi foramsulfurona, tembotriona in S-metolaklora izrazit fungistatičen učinek (> 75% inhibicija), pri 100 % odmerku pa ima foramsulfuron celo fungicidni učinek. Foramsulfuron, tembotrion in S-metolaklor so bili manj inhibitorni pri 25 kot 15 °C. Temperatura ni vplivala na inhibicijo rasti micelija pri piridatu in fluazifop-P-butilu. Od vseh preizkušanih herbicidov sta imela piridat in fluazifop-P-butil najmanj zaviralnih učinkov in bi jih lahko uporabljali na pridelovalnih površinah skupaj z glivo <italic>B. bassiana</italic>. Poleg laboratorijskih testov s herbicidi bi morali izvajati vzporedne poskuse na pridelovalnih površinah, da bi dejansko izvrednotili njihov ekološki vpliv na glivo <italic>B. bassiana</italic></p></abstract><kwd-group xml:lang="en"><title>Keywords</title><kwd><italic>Beauveria bassiana</italic></kwd><kwd>herbicides</kwd><kwd>inhibition</kwd><kwd>mycelial growth</kwd><kwd>compatibility</kwd></kwd-group><kwd-group xml:lang="sl"><title>Keywords</title><kwd><italic>Beauveria bassiana</italic></kwd><kwd>herbicidi</kwd><kwd>inhibicija</kwd><kwd>rast micelija</kwd><kwd>kompatibilnost</kwd></kwd-group></article-meta></front></article></istex:document></istex:metadataXml><mods version="3.6"><titleInfo lang="en"><title>Compatibility of selected herbicides with entomopathogenic fungus Beauveria bassiana (Bals.) Vuill</title></titleInfo><titleInfo type="alternative" lang="en" contentType="CDATA"><title>Compatibility of selected herbicides with entomopathogenic fungus Beauveria bassiana (Bals.) Vuill</title></titleInfo><name type="personal"><namePart type="given">Franci</namePart><namePart type="family">Celar</namePart><affiliation>Katedra za fitomedicino, Kmetijsko Tehniko, Poljedelstvo, pašništvo in travništvo, Jamnikarjeva 101, SI-1111 Ljubljana</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Katarina</namePart><namePart type="family">Kos</namePart><affiliation>Univ. dipl. inž. agr., Prav tam</affiliation><role><roleTerm type="text">author</roleTerm></role></name><typeOfResource>text</typeOfResource><genre type="research-article" displayLabel="research-article"></genre><originInfo><publisher>Versita</publisher><dateIssued encoding="w3cdtf">2012-03-01</dateIssued><dateCreated encoding="w3cdtf">2012-04-16</dateCreated><copyrightDate encoding="w3cdtf">2012</copyrightDate></originInfo><language><languageTerm type="code" authority="iso639-2b">eng</languageTerm><languageTerm type="code" authority="rfc3066">en</languageTerm></language><physicalDescription><internetMediaType>text/html</internetMediaType></physicalDescription><abstract lang="en">The in vitro effect of five commonly used herbicides viz., pyridate, fluazifop-P-butyl, foramsulfuron, tembotrione and S-metolachlor on mycelial growth of entomopathogenic fungus Beauveria bassiana (ATCC 74040) was evaluated each at different concentrations: 100, 75, 50, 25, 12.5, 6.25 and 0% of recommended field application rate on PDA agar plates at 15 and 25°C. The herbicides tested were classified in 1-4 scoring categories based on reduction in mycelial growth: 1 = harmless (<25% reduction), 2 = slightly harmful (25-50%), 3 = moderately harmful (51-75%), harmful (>75%) in toxicity tests. All the five herbicides had fungistatic effect to B. bassiana at varying intensities depending on their concentrations in medium. The present study showed that B. bassiana is very sensitive to the herbicides tested, particularly at recommended as well as lower field dosage. The selected herbicides foramsulfuron, tembotrione and S-metolachlor have strong fungistatic effect on mycelial growth (> 75% inhibition) at 15 °C and concentrations from 50 to 100%. Foramsulfuron has fungicidal effect at 100 % concentration. Foramsulfuron, tembotrione and S-metolachlor were less inhibitory at 25 than at 15 °C, but the temperature had no influence on reduction of mycelial growth at pyridate and fluazifop-P-butyl. Of the herbicides tested, pyridate and fluazifop-P-butyl showed less adverse effects and are probably compatible with B. bassiana in the field. However, extensive field studies complemented by parallel laboratory experiments should consider assessing the interaction between selected herbicides and B. bassiana isolates to evaluate their ecological impact in cropped environments.</abstract><abstract lang="sl">V in vitro poskusih smo na PDA agarnih ploščah in temperaturah 15 ter 25 °C preučevali učinek petih pogosto uporabljanih herbicidov, in sicer piridata, fluazifop-P-butila, foramsulfurona, tembotriona in S-metolaklora na rast micelija entomopatogene glive B. bassiana (ATCC 74040) pri različnih koncentracijah: 100, 75, 50, 25, 12,5, 6,25 in 0 % priporočenega poljskega odmerka. Glede na inhibicijo rasti micelija smo po toksikoloških testih preučevane herbicide razvrstili v štiri razrede: 1 = neškodljiv (<25 % inhibicija), 2 = malo škodljiv (25 - 50 %), 3 = zmerno škodljiv (51 - 75 %), 4 = škodljiv (> 75 %). Vseh pet herbicidov ima fungistatičen učinek na glivo B. bassiana, na obseg pa vpliva njihova koncentracija v gojišču. Raziskava je pokazala, da je gliva B. bassiana zelo občutljiva na preizkušane herbicide, posebej pri priporočenih poljskih koncentracijah, pa tudi pri manjših odmerkih. Pri temperaturi 15 °C in koncentracijah od 50 do 100 % imajo herbicidi na podlagi foramsulfurona, tembotriona in S-metolaklora izrazit fungistatičen učinek (> 75% inhibicija), pri 100 % odmerku pa ima foramsulfuron celo fungicidni učinek. Foramsulfuron, tembotrion in S-metolaklor so bili manj inhibitorni pri 25 kot 15 °C. Temperatura ni vplivala na inhibicijo rasti micelija pri piridatu in fluazifop-P-butilu. Od vseh preizkušanih herbicidov sta imela piridat in fluazifop-P-butil najmanj zaviralnih učinkov in bi jih lahko uporabljali na pridelovalnih površinah skupaj z glivo B. bassiana. Poleg laboratorijskih testov s herbicidi bi morali izvajati vzporedne poskuse na pridelovalnih površinah, da bi dejansko izvrednotili njihov ekološki vpliv na glivo B. bassiana</abstract><subject lang="en"><genre>Keywords</genre><topic>herbicides</topic><topic>inhibition</topic><topic>mycelial growth</topic><topic>compatibility</topic></subject><subject lang="sl"><genre>Keywords</genre><topic>herbicidi</topic><topic>inhibicija</topic><topic>rast micelija</topic><topic>kompatibilnost</topic></subject><relatedItem type="host"><titleInfo><title>Acta agriculturae Slovenica</title></titleInfo><genre type="journal">journal</genre><identifier type="ISSN">1581-9175</identifier><identifier type="eISSN">1854-1941</identifier><identifier type="PublisherID">ACAS</identifier><part><date>2012</date><detail type="volume"><caption>vol.</caption><number>99</number></detail><detail type="issue"><caption>no.</caption><number>1</number></detail><extent unit="pages"><start>57</start><end>63</end></extent></part></relatedItem><identifier type="istex">67BC111B2ECA702F3CC3ABF36B3BB599275728C2</identifier><identifier type="DOI">10.2478/v10014-012-0007-2</identifier><identifier type="ArticleID">v10014-012-0007-2</identifier><identifier type="pdf">v10014-012-0007-2.pdf</identifier><accessCondition type="use and reproduction" contentType="open-access">This content is open access.</accessCondition><recordInfo><recordContentSource>De Gruyter</recordContentSource></recordInfo></mods></metadata><serie></serie></istex></record>Pour manipuler ce document sous Unix (Dilib)
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