Dual Biocontrol Potential of the Entomopathogenic Fungus, Isaria javanica, for Both Aphids and Plant Fungal Pathogens.
Identifieur interne : 000790 ( Main/Exploration ); précédent : 000789; suivant : 000791Dual Biocontrol Potential of the Entomopathogenic Fungus, Isaria javanica, for Both Aphids and Plant Fungal Pathogens.
Auteurs : Beom Ryong Kang [Corée du Sud] ; Ji Hee Han [Corée du Sud] ; Jeong Jun Kim [Corée du Sud] ; Young Cheol Kim [Corée du Sud]Source :
- Mycobiology [ 1229-8093 ] ; 2018.
Abstract
Dual biocontrol of both insects and plant pathogens has been reported for certain fungal entomopathogens, including Beauveria bassiana and Lecanicillum spp. In this study, we demonstrate, for the first time, the dual biocontrol potential of two fungal isolates identified by morphological and phylogenetic analyses as Isaria javanica. Both these isolates caused mortality in the greater wax moth, and hence can be considered entomopathogens. Spores of the isolates were also pathogenic to nymphs of the green peach aphid (Myzus persicae), with an LC50 value of 107 spores/mL 4 days after inoculation and an LT50 of 4.2 days with a dose of 108 spores/mL. In vitro antifungal assays also demonstrated a strong inhibitory effect on the growth of two fungi that are pathogenic to peppers, Colletotrichum gloeosporioides and Phytophthora capsici. These results indicate that I. javanica isolates could be used as novel biocontrol agents for the simultaneous control of aphids and fungal diseases, such as anthracnose and Phytophthora blight, in an integrated pest management framework for red pepper.
DOI: 10.1080/12298093.2018.1538073
PubMed: 30637153
PubMed Central: PMC6319460
Affiliations:
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wicri:level="1"><nlm:affiliation>Agricultural Microbiology Division, National Institute of Agricultural Sciences, RDA, Wanju, Republic of Korea.</nlm:affiliation><country xml:lang="fr">Corée du Sud</country><wicri:regionArea>Agricultural Microbiology Division, National Institute of Agricultural Sciences, RDA, Wanju</wicri:regionArea><wicri:noRegion>Wanju</wicri:noRegion></affiliation></author><author><name sortKey="Kim, Jeong Jun" sort="Kim, Jeong Jun" uniqKey="Kim J" first="Jeong Jun" last="Kim">Jeong Jun Kim</name><affiliation wicri:level="1"><nlm:affiliation>Agricultural Microbiology Division, National Institute of Agricultural Sciences, RDA, Wanju, Republic of Korea.</nlm:affiliation><country xml:lang="fr">Corée du Sud</country><wicri:regionArea>Agricultural Microbiology Division, National Institute of Agricultural Sciences, RDA, Wanju</wicri:regionArea><wicri:noRegion>Wanju</wicri:noRegion></affiliation></author><author><name sortKey="Kim, Young Cheol" sort="Kim, Young Cheol" uniqKey="Kim Y" first="Young Cheol" last="Kim">Young Cheol Kim</name><affiliation wicri:level="1"><nlm:affiliation>Department of Applied Biology, College of Agriculture and Life Sciences, Chonnam National University, Gwangju, Republic of Korea.</nlm:affiliation><country xml:lang="fr">Corée du Sud</country><wicri:regionArea>Department of Applied Biology, College of Agriculture and Life Sciences, Chonnam National University, Gwangju</wicri:regionArea><wicri:noRegion>Gwangju</wicri:noRegion></affiliation></author></analytic><series><title level="j">Mycobiology</title><idno type="ISSN">1229-8093</idno><imprint><date when="2018" type="published">2018</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Dual biocontrol of both insects and plant pathogens has been reported for certain fungal entomopathogens, including <i>Beauveria bassiana</i> and <i>Lecanicillum</i> spp. In this study, we demonstrate, for the first time, the dual biocontrol potential of two fungal isolates identified by morphological and phylogenetic analyses as <i>Isaria javanica</i>. Both these isolates caused mortality in the greater wax moth, and hence can be considered entomopathogens. Spores of the isolates were also pathogenic to nymphs of the green peach aphid (<i>Myzus persicae</i>), with an LC<sub>50</sub> value of 10<sup>7</sup> spores/mL 4 days after inoculation and an LT<sub>50</sub> of 4.2 days with a dose of 10<sup>8</sup> spores/mL. <i>In vitro</i> antifungal assays also demonstrated a strong inhibitory effect on the growth of two fungi that are pathogenic to peppers, <i>Colletotrichum gloeosporioides</i> and <i>Phytophthora capsici</i>. These results indicate that <i>I. javanica</i> isolates could be used as novel biocontrol agents for the simultaneous control of aphids and fungal diseases, such as anthracnose and Phytophthora blight, in an integrated pest management framework for red pepper.</div></front></TEI><pubmed><MedlineCitation Status="PubMed-not-MEDLINE" Owner="NLM"><PMID Version="1">30637153</PMID><DateRevised><Year>2020</Year><Month>10</Month><Day>01</Day></DateRevised><Article PubModel="Electronic-eCollection"><Journal><ISSN IssnType="Print">1229-8093</ISSN><JournalIssue CitedMedium="Print"><Volume>46</Volume><Issue>4</Issue><PubDate><Year>2018</Year></PubDate></JournalIssue><Title>Mycobiology</Title><ISOAbbreviation>Mycobiology</ISOAbbreviation></Journal><ArticleTitle>Dual Biocontrol Potential of the Entomopathogenic Fungus, <i>Isaria javanica</i>, for Both Aphids and Plant Fungal Pathogens.</ArticleTitle><Pagination><MedlinePgn>440-447</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1080/12298093.2018.1538073</ELocationID><Abstract><AbstractText>Dual biocontrol of both insects and plant pathogens has been reported for certain fungal entomopathogens, including <i>Beauveria bassiana</i> and <i>Lecanicillum</i> spp. In this study, we demonstrate, for the first time, the dual biocontrol potential of two fungal isolates identified by morphological and phylogenetic analyses as <i>Isaria javanica</i>. Both these isolates caused mortality in the greater wax moth, and hence can be considered entomopathogens. Spores of the isolates were also pathogenic to nymphs of the green peach aphid (<i>Myzus persicae</i>), with an LC<sub>50</sub> value of 10<sup>7</sup> spores/mL 4 days after inoculation and an LT<sub>50</sub> of 4.2 days with a dose of 10<sup>8</sup> spores/mL. <i>In vitro</i> antifungal assays also demonstrated a strong inhibitory effect on the growth of two fungi that are pathogenic to peppers, <i>Colletotrichum gloeosporioides</i> and <i>Phytophthora capsici</i>. These results indicate that <i>I. javanica</i> isolates could be used as novel biocontrol agents for the simultaneous control of aphids and fungal diseases, such as anthracnose and Phytophthora blight, in an integrated pest management framework for red pepper.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Kang</LastName><ForeName>Beom Ryong</ForeName><Initials>BR</Initials><AffiliationInfo><Affiliation>Department of Applied Biology, College of Agriculture and Life Sciences, Chonnam National University, Gwangju, Republic of Korea.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Han</LastName><ForeName>Ji Hee</ForeName><Initials>JH</Initials><AffiliationInfo><Affiliation>Agricultural Microbiology Division, National Institute of Agricultural Sciences, RDA, Wanju, Republic of Korea.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Kim</LastName><ForeName>Jeong Jun</ForeName><Initials>JJ</Initials><AffiliationInfo><Affiliation>Agricultural Microbiology Division, National Institute of Agricultural Sciences, RDA, Wanju, Republic of Korea.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Kim</LastName><ForeName>Young Cheol</ForeName><Initials>YC</Initials><Identifier Source="ORCID">0000-0002-7661-7600</Identifier><AffiliationInfo><Affiliation>Department of Applied Biology, College of Agriculture and Life Sciences, Chonnam National University, Gwangju, Republic of Korea.</Affiliation></AffiliationInfo></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2018</Year><Month>12</Month><Day>21</Day></ArticleDate></Article><MedlineJournalInfo><Country>Korea 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