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Control of Postharvest Botrytis Fruit Rot of Strawberry by Volatile Organic Compounds of Candida intermedia.
MedLine Citation:
PMID:  21323467     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
A study was conducted to identify volatile organic compounds or volatiles produced by Candida intermedia strain C410 using gas chromatography-mass spectrometry, and to determine efficacy of the volatiles of C. intermedia in suppression of conidial germination and mycelial growth of Botrytis cinerea and control of botrytis fruit rot of strawberry. Results showed that among 49 volatiles (esters, alcohols, alkenes, alkanes, alkynes, organic acids, ketones, aldehydes) identified from C. intermedia cultures on yeast extract peptone dextrose agar, two compounds, 1,3,5,7-cyclooctatetraene and 3-methyl-1-butanol, were the most abundant. Synthetic chemicals of 1,3,5,7-cyclooctatetraene; 3-methyl-1-butanol; 2-nonanone; pentanoic acid, 4-methyl-, ethyl ester; 3-methyl-1-butanol, acetate; acetic acid, pentyl ester; and hexanoic acid, ethyl ester were highly inhibitory to conidial germination and mycelial growth of B. cinerea. Inhibition of conidial germination and mycelial growth of B. cinerea by volatiles of C. intermedia was also observed. Meanwhile, results showed that incidence and severity of botrytis fruit rot of strawberry was significantly (P < 0.01) reduced by exposure of the strawberry fruits to the volatiles from C. intermedia cultures or C. intermedia-infested strawberry fruits. These results suggest that the volatiles of C. intermedia C410 are promising biofumigants for control of botrytis fruit rot of strawberry.
Authors:
Rong Huang; Guoqing Li; Jing Zhang; Long Yang; Hongjie Che; Daohong Jiang; Hung-Chang Huang
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-2-15
Journal Detail:
Title:  Phytopathology     Volume:  -     ISSN:  0031-949X     ISO Abbreviation:  -     Publication Date:  2011 Feb 
Date Detail:
Created Date:  2011-2-17     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9427222     Medline TA:  Phytopathology     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Affiliation:
Huazhong Agricultural University, Plant Protection, Wuhan, HuBei, China; lixi-helen@sohu.com.
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