First report of the powdery mildew Podosphaera xanthii on Gynura bicolor

Shen, Yu-Zen; Huang, Tung-Chin; Liu, Hsing-Lung; Chao, C. H.

doi:10.1007/s13314-015-0177-y

Cited by 6 publications

(2 citation statements)

References 4 publications

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“…Based on the morphological characteristics, the fungus was identified as Podosphaera sp. (Braun et al 2002;Chen et al 2015). Morphologically, Podosphaera sp.…”

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confidence: 99%

First report of powdery mildew caused by Podosphaera sp. on Cynanchum auriculatum

Paul

Kim³

et al. 2016

Australasian Plant Dis. Notes

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“…Based on the morphological characteristics, the fungus was identified as Podosphaera sp. (Braun et al 2002;Chen et al 2015). Morphologically, Podosphaera sp.…”

mentioning

confidence: 99%

First report of powdery mildew caused by Podosphaera sp. on Cynanchum auriculatum

Paul

Kim³

et al. 2016

Australasian Plant Dis. Notes

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“…There are some reports of Gynura diseases caused by various groups of pathogens such as viroids (Gross et al 1982;García-Arenal et al 1987), fungi, and oomycetes. The plant pathogenic fungi have been reported to cause rusts (Hiratsuka and Hashioka 1937), powdery mildew (Shen et al 2015), anthracnose (Wehlburg et al 1975), leaf spots (Wehlburg et al 1975;Hsieh and Goh 1990;Nishikawa and Nakashima 2015), and root and stem rots (Wehlburg et al 1975), whereas the Gynura-infecting oomycetes have caused downy mildew (Palmateer et al 2015), Pythium root rots (Wehlburg et al 1975), and Phytophthora blights (Shen et al 2011). However, these studies do not mention any G. formosana diseases caused by the pathogens.…”

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confidence: 99%

First record of Phytophthora drechsleri on Gynura formosana

Lin¹,

Huang²,

Lin³

et al. 2019

Australasian Plant Dis. Notes

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Host plants of the powdery mildew fungus Podosphaera xanthii in Taiwan

Yeh

Wen

et al. 2020

Trop. plant pathol.

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Podosphaera xanthii is presently considered as one of the powdery mildew fungi with the broadest host range. Confusion is caused by taxonomical and nomenclatural changes of the host plants and the fungal parasite. Based on the list of powdery mildews from Taiwan from 1998, an updated list of host plants of P. xanthii in this country is presented. New hosts from Taiwan are wild and horticultural herbs and woody plants collected between 2011 and 2020. Fifteen plant species were found to be the host of P. xanthii based on new collections of the anamorph and internal transcribed spacer (ITS) sequences. Among them, Cuphea carthagenensis, Cuphea hyssopifolia, Erigeron bellioides, Mazus pumilus, Phyllanthus tenellus, Salvia farinacea, and Sphagneticola trilobata were new hosts worldwide, whereas Bidens pilosa, Eclipta prostrata, Pouzolzia zeylanica, and Torenia fournieri were new hosts in Taiwan. Four further plant species were confirmed as known hosts (Emilia sonchifolia, Sesamum indicum, Trema orientalis, Zinnia elegans). Asteraceae contained most host species in Taiwan, which appeared proportional to the high species diversity in this plant family. The second highest host diversity in the Cucurbitaceae, however, was not proportional to plant diversity. Although the fungus is able to cause similar symptoms on a broad range of hosts, certain host species showed specific responses to infection. In some species, infection remains limited to old leaves, whereas in other species, only young leaves or mainly stems are infected.

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First report of the powdery mildew Podosphaera xanthii on Gynura bicolor

Cited by 6 publications

References 4 publications

First report of powdery mildew caused by Podosphaera sp. on Cynanchum auriculatum

First report of powdery mildew caused by Podosphaera sp. on Cynanchum auriculatum

First record of Phytophthora drechsleri on Gynura formosana

Host plants of the powdery mildew fungus Podosphaera xanthii in Taiwan

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