期刊
FUNGAL BIOLOGY
卷 120, 期 3, 页码 433-448出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.funbio.2015.12.006
关键词
Biofertilizer; Biofungicide; Indole-3-acetic acid; Spoon-leaved sundew; Sustainable agriculture
类别
资金
- Ministry of Science and Technology [MOST104-2311-B-018-003-MY3, MOST104-2119-M-003-003, MOST104-2311-B-018-001]
Microorganisms can promote plant growth through direct and indirect mechanisms. Compared with the use of bacteria and mycorrhizal fungi, the use of yeasts as plant growth promoting (PGP) agents has not been extensively investigated. In this study, yeast isolates from the phyllosphere and rhizosphere of the medicinally important plant Drosera spatulata Lab. were assessed for their PGP traits. All isolates were tested for indole-3-acetic acid-, ammonia-, and polyamine-producing abilities, calcium phosphate and zinc oxide solubilizing ability, and catalase activity. Furthermore, the activities of siderophore, 1-aminocyclopropane-1-carboxylate deaminase, and fungal cell wall-degrading enzymes were assessed. The antagonistic action of yeasts against pathogenic Glomerella cingulata was evaluated. The cocultivation of Nicotiana benthamiana with yeast isolates enhanced plant growth, indicating a potential yeast plant interaction. Our study results highlight the potential use of yeasts as plant biofertilizers under controlled and field conditions. (C) 2016 The British Mycological Society. Published by Elsevier Ltd. All rights reserved.
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