Endophytic Fungi from Oncosperma sp. with Promising In Vitro Plant Growth Promotion and Antagonistic Activities
Saengket,Machima; Hyde,Kevin D.; Kumar,Vinit; Doilom,Mingkwan; Brooks,Siraprapa
AbstractThis study was conducted to identify in vitro plant growth promoting traits and antagonistic activities of endophytic fungi from Oncosperma sp. Sixty-two endophytic fungi were isolated from leaves, roots, petioles, and spines of Oncosperma sp. Ten strains [Colletotrichum sp. (1), Daldinia spp. (6), and Diaporthe spp. (3)] showed efficient plant growth-promoting traits as well as in vitro antagonistic activities. Daldinia strains MFLUCC 20-0215, MFLUCC 20-0211, and MFLUCC 20-0210 produced higher Indole-3-acetic acid (IAA) concentrations of 120.3, 96.5, and 87.5 mu g/mL, respectively. Quantitative estimation of phosphate solubilization for these taxa ranged between 2.6-3.6. A dual culture technique was used to determine the in vitro antagonistic activities against pathogenic strains of Colletotrichum sp. isolated from oil palm and coffee, and Corynespora sp. from tomato. Daldinia strains MFLUCC 20-0207 and MFLUCC 20-0216 showed strong antifungal activities with 60.6-87.3% inhibition. Diaporthe strains MFLUCC 20-0206, MFLUCC 20-0208 and MFLUCC 20-0214, and Daldinia strains MFLUCC 20-0210, 20-0211, and 20-0215 exhibited moderate antifungal activity against all test pathogens. Endophytic fungi associated with Oncosperma produced positive results in plant growth activities and biocontrol potential, providing a base for further investigation. Three isolates of Daldinia (MFLUCC 20-0210, MFLUCC 20-0211, MFLUCC 20-0125) were especially promising due to their significantly high IAA production, highest phosphate solubilization, and moderate antagonistic activities. Thus, future research should focus on Daldinia as they possess great potential for a wide range of applications.
KeywordIndole-3-acetic acid phosphate solubilization plant growth hormone plant pathogenic fungi secondary metabolites MOLECULAR CHARACTERIZATION DIVERSITY DIAPORTHE LEAVES
WOS IDWOS:000658208500011
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Affiliation1.Mae Fah Luang Univ, Sch Sci, Chiang Rai 57100, Thailand
2.Mae Fah Luang Univ, Ctr Excellence Fungal Res, Chiang Rai 57100, Thailand
3.Hyde, Kevin D.] Mushroom Res Fdn, 128 M3 Ban Pa Deng T Pa Pae, Chiang Mai 50150, Thailand
4.Hyde, Kevin D.] Chinese Acad Sci, Kunming Inst Bot, CAS Key Lab Plant Divers & Biogeog East Asia, Kunming 650201, Yunnan, Peoples R China
5.Hyde, Kevin D.] World Agroforestry Ctr, Kunming 650201, Yunnan, Peoples R China
6.Chiang Mai Univ, Fac Agr, Dept Entomol & Plant Pathol, Huay Keaw Rd, Chiang Mai 50200, Thailand
7.Guizhou Univ, Engn Res Ctr Southwest Biopharmaceut Resources, Minist Educ, Guiyang, Peoples R China
8.Chiang Mai Univ, Fac Sci, Res Ctr Microbial Divers & Sustainable Utilizat, Chiang Mai 50200, Thailand
9.Chiang Mai Univ, Fac Sci, Dept Biol, Chiang Mai 50200, Thailand
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Saengket,Machima,Hyde,Kevin D.,Kumar,Vinit,et al. Endophytic Fungi from Oncosperma sp. with Promising In Vitro Plant Growth Promotion and Antagonistic Activities[J]. CHIANG MAI JOURNAL OF SCIENCE,2021,48(3):837-852.
APA Saengket,Machima,Hyde,Kevin D.,Kumar,Vinit,Doilom,Mingkwan,&Brooks,Siraprapa.(2021).Endophytic Fungi from Oncosperma sp. with Promising In Vitro Plant Growth Promotion and Antagonistic Activities.CHIANG MAI JOURNAL OF SCIENCE,48(3),837-852.
MLA Saengket,Machima,et al."Endophytic Fungi from Oncosperma sp. with Promising In Vitro Plant Growth Promotion and Antagonistic Activities".CHIANG MAI JOURNAL OF SCIENCE 48.3(2021):837-852.
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