Control Efficacy of Phloretin Isolated from Apple Fruits Against Several Plant Diseases

Title
Control Efficacy of Phloretin Isolated from Apple Fruits Against Several Plant Diseases
Author(s)
심상희조수정[조수정]김진철[김진철]최경자[최경자]
Keywords
PERFORMANCE LIQUID-CHROMATOGRAPHY; SCLEROTINIA FRUCTIGENA; PHYTOPHTHORA-INFESTANS; ANTIFUNGAL COMPOUNDS; MAGNAPORTHE-GRISEA; PATHOGENIC FUNGI; RESISTANCE; INHIBITION; CELLS; POLYPHENOLS
Issue Date
201009
Publisher
KOREAN SOC PLANT PATHOLOGY
Citation
PLANT PATHOLOGY JOURNAL, v.26, no.3, pp.280 - 285
Abstract
In the course of a searching natural antifungal compounds from plant sources, we found that the methanol extract (3,000 mu g/ml) of Malus domestica fruits had potential of control against rice blast (Magnaporthe grisea) and tomato late blight (Phytophthora infestans). Under bioassay-guided purification, we isolated phloretin, a phenolic compound, with in vivo antifungal activity against M. grisea. By 1-day protective application of phloretin (500 mu g/ml), the compound strongly inhibited the disease development of M. grisea and P infestans on rice and tomato seedlings, respectively. And red pepper anthracnose caused by Colletotrichum coccodes also was moderately suppressed. However, rice sheath blight (Rhizoctonia solani AG1), and barley powdery mildew (Blumeria graminis f. sp. hordei) were hardly controlled. In addition, the compound showed in vitro antifungal activity against some plant pathogenic fungi including Phytophthora capsici, Alternaria panax, Sclerotinia sclerotiorum, R. solani AG4, and M. grisea. This is the first report on the antifungal activity of phloretin against plant pathogenic fungi.
URI
http://hdl.handle.net/YU.REPOSITORY/23709http://dx.doi.org/10.5423/PPJ.2010.26.3.280
ISSN
1598-2254
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생명공학부 > 생명공학부 > Articles
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