Abstract:
:Studying the effects of microbial volatile organic compounds (VOCs) on plant growth is challenging because the production of volatiles depends on many environmental factors. Adding to this complexity, the method of volatile exposure itself can lead to different responses in plants and may account for some of the contrasting results. In this work, we present an improved experimental design, a plate-within-a-plate method, to study the effects of VOCs produced by filamentous fungi. We demonstrate that the plant growth response to VOCs is dependent on the age of the plant and fungal cultures. Plants exposed to volatiles emitted by 5-day-old Trichoderma atroviride for 14 days exhibited inhibition, while plants exposed to other exposure conditions had growth promotion or no significant change. Using GC-MS, we compared fungal volatile emission of 5-day-old and 14-day-old T. atroviride. As the fungi aged, a few compounds were no longer detected, but 24 new compounds were discovered.
journal_name
Arch Microbioljournal_title
Archives of microbiologyauthors
Lee S,Hung R,Yap M,Bennett JWdoi
10.1007/s00203-015-1104-5subject
Has Abstractpub_date
2015-06-01 00:00:00pages
723-7issue
5eissn
0302-8933issn
1432-072Xjournal_volume
197pub_type
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journal_title:Archives of microbiology
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pub_type: 杂志文章
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journal_title:Archives of microbiology
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journal_title:Archives of microbiology
pub_type: 杂志文章
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