First report of powdery mildew caused by Podosphaera xanthii on New Guinea impatiens in Korea

First report of powdery mildew caused by Podosphaera xanthii on New Guinea impatiens in Korea

Microscopic examination of freshly collected leaves revealed the following morphological characteristics: upright conidiophores (110–210 × 10–12 μm) producing 2 to 5 catenescent conidia, and ellipsoid to doliiform conidia (26–38 × 16–22 μm) containing conspicuous fibrosin bodies. PCR products were a...

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Veröffentlicht in:New Disease Reports 2021-04, Vol.43 (2), p.n/a
Hauptverfasser: Choi, I.Y., Ju, H.J., Shin, H.D.
Format: Artikel
Sprache:eng
Schlagworte:
Conidia
Impatiens hawkeri
Pests
Physical characteristics
Podosphaera balsaminae
Podosphaera xanthii
Powdery mildew
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Zusammenfassung:Microscopic examination of freshly collected leaves revealed the following morphological characteristics: upright conidiophores (110–210 × 10–12 μm) producing 2 to 5 catenescent conidia, and ellipsoid to doliiform conidia (26–38 × 16–22 μm) containing conspicuous fibrosin bodies. PCR products were amplified using the primer sets ITS1F/PM6 for the internal transcribed spacer (ITS) and PM3/TW14 for the large subunit (LSU) of rDNA (Takamatsu & Kano, 2001). ACKNOWLEDGEMENTS This work was supported by Korea IPET through Crop Viruses and Pests Response Industry Technology Development Program, funded by MAFRA.
ISSN:2044-0588
2044-0588
DOI:10.1002/ndr2.12017