In vitro test of mycelial growth inhibition of 5 fungi pathogenic to strawberries by ultraviolet-C (UV-C) irradiation

Title
In vitro test of mycelial growth inhibition of 5 fungi pathogenic to strawberries by ultraviolet-C (UV-C) irradiation
Author(s)
김선애안순영오욱윤해근
Keywords
Colletotrichum; Fragaria x ananassa; Fungi; Fusarium oxysporum; Phytophthora cactorum; Solanum tuberosum
Issue Date
201210
Citation
Korean Journal of Food Science and Technology, v.44, no.5, pp.634 - 637
Abstract
In strawberry production, among others, the high incidence of diseases by pathogenic fungi resulting in the reduction of fruit yield and quality requires the development of eco-friendly management systems rather than chemical sprays to control them. The diameter of colonies grown in media at 25��C for 5 days was measured to evaluate the in vitro inhibition of mycelial growth of 5 pathogenic fungi by irradiation with ultraviolet (UV-C, 264 nm). The mycelial growth of 5 pathogenic fungi was inhibited in potato dextrose agar (PDA) by the irradiation of UV-C for 1 hour a day, and was dramatically inhibited by the irradiation of UV-C for 9-12 h a day. The irradiation of UV-C for 9-12 h a day inhibited completely the growth of the late blight pathogen, Phytophthora cactorum. The irradiation distance of 40 to 50 cm was effective for the inhibition of mycelial growth of fungi. The mycelial growth of fungi without pre-incubation was inhibited strongly by UV-C irradiation compared to fungi pre-incubated for 2 days without light. The mycelia growth of Colletotrichum gloeosprioides and Fusarium oxysporum was inhibited strongly by UV-C irradiation in vegetable 8 juice agar compared to PDA.
URI
http://hdl.handle.net/YU.REPOSITORY/27083http://dx.doi.org/10.9721/KJFST.2012.44.5.634
ISSN
0367-6293
Appears in Collections:
자연자원대학 > 원예학과 > Articles
자연자원대학 > 원예생명과학과 > Articles
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