Arid
DOI10.1080/09583157.2020.1844148
Biological control of Pythium aphanidermatum-induced cucumber and radish damping-off by an endophytic fungus, Cladosporium omanense isolate 31R
Halo, Boshra A.; Al-Yahyai, Rashid A.; Al-Sadi, Abdullah M.
通讯作者Al-Sadi, AM
来源期刊BIOCONTROL SCIENCE AND TECHNOLOGY
ISSN0958-3157
EISSN1360-0478
英文摘要Cladosporium omanense has been recently described as a novel endophytic fungus from Zygophyllum coccineum in the desert habitat of Oman. The ability of this fungus to suppress Pythium aphanidermatum, the cause of cucumber and radish damping-off disease, was investigated. In vitro results showed effective suppression of P. aphanidermatum by C. omanense, producing an inhibition zone of 3.67 mm in dual culture assay. Light microscope and scanning electron microscope examination showed abnormalities in Pythium hyphae at the inhibition zone. The culture filtrate from C. omanense induced cellular leakage from Pythium mycelium and inhibited oospore production. A bioassay test was further conducted to examine the ability of C. omanense in suppressing P. aphanidermatum-induced damping-off disease of cucumber. It showed that C. omanense significantly increased the percent surviving cucumber seedlings up to 58.9%. Similarly, the addition of C. omanense significantly increased the percent surviving radish seedlings up to 80.4%. The in vivo and in vitro suppression effects of C. omanense were mainly due to the production of cellulase, beta-1,3-glucanases and siderophores in the culture filtrate of C. omanense. This is the first report describing the biocontrol efficacy of C. omanense, especially in suppressing P. aphanidermatum-induced damping-off of cucumber and radish.
英文关键词Biocontrol cellulase endophytic fungi beta-1,3-glucanases siderophores oomycetes
类型Article ; Early Access
语种英语
收录类别SCI-E
WOS记录号WOS:000591490000001
WOS关键词PLANT-GROWTH PROMOTION ; ANTIFUNGAL ACTIVITY ; BLACK-POD ; BIOCONTROL ; ULTIMUM ; SOIL ; METABOLITES ; PATHOGENS ; DISEASES ; SATIVUS
WOS类目Biotechnology & Applied Microbiology ; Entomology
WOS研究方向Biotechnology & Applied Microbiology ; Entomology
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/328528
作者单位[Halo, Boshra A.; Al-Yahyai, Rashid A.; Al-Sadi, Abdullah M.] Sultan Qaboos Univ, Dept Crop Sci, Coll Agr & Marine Sci, POB 34, Al Khoud 123, Oman
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Halo, Boshra A.,Al-Yahyai, Rashid A.,Al-Sadi, Abdullah M.. Biological control of Pythium aphanidermatum-induced cucumber and radish damping-off by an endophytic fungus, Cladosporium omanense isolate 31R[J].
APA Halo, Boshra A.,Al-Yahyai, Rashid A.,&Al-Sadi, Abdullah M..
MLA Halo, Boshra A.,et al."Biological control of Pythium aphanidermatum-induced cucumber and radish damping-off by an endophytic fungus, Cladosporium omanense isolate 31R".BIOCONTROL SCIENCE AND TECHNOLOGY
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