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KMID : 0379120170450020091
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Korean Journal of Mycology
2017 Volume.45 No. 2 p.91 ~ p.101
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The Identity of Eggplant Powdery Mildews Collected in Korea
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Cho Sung-Eun
Choi In-Young
Sin Hyun-Dong
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Abstract
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Three species of powdery mildew (Erysiphales) on eggplant ( L.) have been listed in Korea, namely (now genus Golovinomyces), Leveillula taurica, and (now genus Podosphaera; syn. ). Since E. cichoracearum was recorded on eggplant for the first time in Korea in 1969, it has been regarded as a major powdery mildew agent on that plant. In 1998, the causal agent of powdery mildew on eggplant was recorded as then as in 2002. During our extensive field surveys in Korea, we collected 22 samples of eggplant powdery mildews. Our microscopic observations and molecular sequence analyses showed that all of our samples belonged to the genus Podosphaera, in the absence of either or suggesting that P. xanthii is the dominant agent of powdery mildew disease on eggplants in Korea. As there have been no additional findings on L. taurica after the first report on the species, it seems to be a minor species that is rarely found in greenhouses. The presence of (syn. Golovinomyces cichoracearum s. lat.) on eggplants is questionable, as the morphological characteristics of E. cichoracearum in the original description of the Korean collection deviate from the morphological variations of this species. In addition, no herbarium material of remains. Consequently, it seems that P. xanthii is the main species of powdery mildew on eggplants, whereas L. taurica occurs rarely on eggplants, in Korea. This review provides the historical and recent taxonomy of eggplant powdery mildews in detail.
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KEYWORD
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Anamorph, Erysiphaceae, ITS, Phylogenetic tree, Solanaceae
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Listed journal information
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