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

被引：2

作者：

Itagaki, Kaori ^{[1
,2
]}

Sato, Yukio ^{[3
]}

Tojo, Motoaki ^{[1
]}

机构：

[1] Osaka Prefecture Univ, Grad Sch Life & Environm Sci, Naka Ku, Gakuen Cho 1-1, Sakai, Osaka 5998531, Japan

[2] Yanmar Co Ltd, 1-32 Kita ku, Osaka 5308311, Japan

[3] Toyama Prefectural Univ, Kurokawa 5180, Imizu, Toyama 9390398, Japan

来源：

JOURNAL OF GENERAL PLANT PATHOLOGY | 2017年 / 83卷 / 05期

基金：

日本学术振兴会;

关键词：

Cucumis sativus; Haustorium; Hyphal branch; Hyphal cell; Powdery mildew; Susceptibility; POWDERY MILDEW RESISTANCE;

D O I：

10.1007/s10327-017-0731-x

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

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.

引用

页码：310 / 315

页数：6

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