Resistance levels of cucumber to Podosphaera xanthii in a growth chamber are related to haustorial formation and hyphal branching frequency

Resistance levels of cucumber to Podosphaera xanthii in a growth chamber are related to... To clarify relationships between powdery mildew resistance of cucumber and hyphal developmental state of the pathogen, haustorial formation and the hyphal branching frequency were compared among cucumber varieties that differ in resistance levels to powdery mildew pathogen Podosphaera xanthii. Cotyledons of four cultivars were inoculated with P. xanthii. By 2 days after inoculation, secondary haustoria had developed from the first hyphal cell that formed beside the conidium in susceptible cultivars. The fungus on susceptible cultivars also tended to have hyphal branches just after the hyphal cell producing haustoria. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of General Plant Pathology Springer Journals

Resistance levels of cucumber to Podosphaera xanthii in a growth chamber are related to haustorial formation and hyphal branching frequency

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Publisher
Springer Japan
Copyright
Copyright © 2017 by The Phytopathological Society of Japan and Springer Japan KK
Subject
Life Sciences; Plant Pathology; Agriculture; Microbiology
ISSN
1345-2630
eISSN
1610-739X
D.O.I.
10.1007/s10327-017-0731-x
Publisher site
See Article on Publisher Site

Abstract

To clarify relationships between powdery mildew resistance of cucumber and hyphal developmental state of the pathogen, haustorial formation and the hyphal branching frequency were compared among cucumber varieties that differ in resistance levels to powdery mildew pathogen Podosphaera xanthii. Cotyledons of four cultivars were inoculated with P. xanthii. By 2 days after inoculation, secondary haustoria had developed from the first hyphal cell that formed beside the conidium in susceptible cultivars. The fungus on susceptible cultivars also tended to have hyphal branches just after the hyphal cell producing haustoria.

Journal

Journal of General Plant PathologySpringer Journals

Published: Aug 4, 2017

References

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