Characterization of Fusarium oxysporum Isolates Obtained from Cucumber in China by Pathogenicity, VCG, and RAPD-Reference-Cited by-同舟云学术

Characterization of Fusarium oxysporum Isolates Obtained from Cucumber in China by Pathogenicity, VCG, and RAPD

Published:2004-06 Issue:6 Volume:88 Page:645-649
ISSN:0191-2917
Container-title:Plant Disease
language:en
Short-container-title:Plant Disease

Author:

Vakalounakis D. J.¹,Wang Z.²,Fragkiadakis G. A.³,Skaracis G. N.⁴,Li D.-B.²

Affiliation:

1. National Agricultural Research Foundation (N.AG.RE.F.), Plant Protection Institute, P.O. Box 2228, 710 03 Heraklio, Crete, Greece

2. Zhejiang University, College of Agriculture and Biotechnology, Biotechnology Institute, 268 Kaixuan Rd., Hangzhou 310029, China

3. N.AG.RE.F., Plant Protection Institute, P.O. Box 2228, 710 03 Heraklio, Crete, Greece

4. Hellenic Sugar-Industry, Department of Plant Breeding & Biotechnology, 57400 Sindos, Greece

Abstract

Thirty-four isolates of Fusarium oxysporum, obtained in China from cucumber plants showing either Fusarium wilt (F. oxysporum f. sp. cucumerinum) or root and stem rot (F. oxysporum f. sp. radicis-cucumerinum) symptoms, were characterized by pathogenicity, vegetative compatibility, and random amplified polymorphic DNA (RAPD). Of these, 23 isolates were identified by pathogenicity as F. oxysporum f. sp. cucumerinum, and one as F. oxysporum f. sp. radicis-cucumerinum, while 10 isolates were avirulent on cucumber, melon, sponge gourd, and pumpkin. The Chinese isolates of F. oxysporum f. sp. cucumerinum were assigned to RAPD groups III and XXI and to vegetative compatibility group (VCG) 0183, four new VCGs, 0184 to 0187, and a single-member VCG included in the artificial VCG 018-. The Chinese isolate of F. oxysporum f. sp. radicis-cucumerinum was assigned to RAPD group I and bridging VCG 0260/0261. The occurrence of F. oxysporum f. sp. radicis-cucumerinum on cucumber is reported for the first time in China.

Publisher

Scientific Societies

Subject

Plant Science,Agronomy and Crop Science

Link

https://apsjournals.apsnet.org/doi/pdf/10.1094/PDIS.2004.88.6.645

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