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Distribution of Spongospora subterranea in New South Wales

Distribution of Spongospora subterranea in New South Wales Figure 1. The reaction of wheat cultivars to L. nodorum NEW DISEASES (a) Results obtained after the original inoculation Fusarium Wilt of Spinach D. S. Trimboli Yates Seeds Ltd., Milperra N.S.W. 2214 In December 1976, diseased spinach seedlings (Spinacia oleracea MilL) were received from a Melbourne market garden. The disease symptoms were similar to those described by Hungerford (2) for Fusarium wilt of spinach. The seedlings were six weeks old. The symptoms consisted of leaf chlorosis and inward rolling, necrosis of the fibrous root system, tap root and O'------"~_..L..._'--_----""':::::......a.. __' crown. A longitudonal section of the tap root and crown (b) Results obtained after the seventh revealed vascular browning typical of a vascular wilt syn­ successive passage drome. Fusarium oxysporum (1, 3) was isolated from in­ fected crowns. The pathogenicity of single spore isolates of F ox­ 100- ysporum was assessed with three week old "English Hybrid" spinach seedlings using the root-dip inoculation technique at 30°C incubation. The inoculated seedlings developed the same symptoms as shown by the original T,,,! diseased seedlings and the fungus was reisolated. It was concluded that the fungus was F. oxysporum f. sp, spinaciae (Sherb) Synder & Hansen (1, 4) and that this is http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Australasian Plant Pathology Springer Journals

Distribution of Spongospora subterranea in New South Wales

Australasian Plant Pathology , Volume 6 (3) – Jan 23, 2011

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References (3)

Publisher
Springer Journals
Copyright
Copyright
Subject
Life Sciences; Plant Pathology; Plant Sciences; Agriculture; Entomology; Ecology
ISSN
0815-3191
eISSN
1448-6032
DOI
10.1071/APP9770044
Publisher site
See Article on Publisher Site

Abstract

Figure 1. The reaction of wheat cultivars to L. nodorum NEW DISEASES (a) Results obtained after the original inoculation Fusarium Wilt of Spinach D. S. Trimboli Yates Seeds Ltd., Milperra N.S.W. 2214 In December 1976, diseased spinach seedlings (Spinacia oleracea MilL) were received from a Melbourne market garden. The disease symptoms were similar to those described by Hungerford (2) for Fusarium wilt of spinach. The seedlings were six weeks old. The symptoms consisted of leaf chlorosis and inward rolling, necrosis of the fibrous root system, tap root and O'------"~_..L..._'--_----""':::::......a.. __' crown. A longitudonal section of the tap root and crown (b) Results obtained after the seventh revealed vascular browning typical of a vascular wilt syn­ successive passage drome. Fusarium oxysporum (1, 3) was isolated from in­ fected crowns. The pathogenicity of single spore isolates of F ox­ 100- ysporum was assessed with three week old "English Hybrid" spinach seedlings using the root-dip inoculation technique at 30°C incubation. The inoculated seedlings developed the same symptoms as shown by the original T,,,! diseased seedlings and the fungus was reisolated. It was concluded that the fungus was F. oxysporum f. sp, spinaciae (Sherb) Synder & Hansen (1, 4) and that this is

Journal

Australasian Plant PathologySpringer Journals

Published: Jan 23, 2011

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