Susceptibility of Cucurbita spp to the cucurbit root-rot fungus, Fusarium solani f sp cucurbitae race 1

Nagao, Hideyuki; Sato, Kosaburo; Ogiwara, S.

doi:10.1051/agro:19940204

Cited by 12 publications

(8 citation statements)

References 6 publications

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“…Most of the isolates were moderately virulent and only few of them were very virulent. Similar results were obtained by Nagao et al. (1994), which examined the reactions of cucurbit species to Fusarium root rot by evaluating disease severity.…”

Section: Discussionsupporting

confidence: 76%

“…W.C. Snyder & H.N. Hans, but this measure has proved ineffective for the Fusarium crown and foot rot caused by Fsc race 1 because these rootstocks are susceptible to this pathogen (Nagao et al., 1994; Armengol et al., 2000). Thus, it would be very interesting to look for resistant watermelon cultivars or rootstocks to reduce the impact of this disease.…”

Section: Discussionmentioning

confidence: 99%

“…Watermelon seedlings were inoculated as described before. The severity of seedling invasion was determined after 21 days according to the rating scale proposed by Nagao et al. (1994).…”

Section: Virulence Of F Solani F Sp Cucurbitae Race 1 Isolatesmentioning

confidence: 99%

“…cucurbitae W. C. Snyder & H. N. Hans ( Fsc ) is the causal agent of Fusarium crown and foot rot disease of cucurbits (Tousson and Snyder, 1961). This pathogen was first reported on squash ( Cucurbita pepo L.) in 1930 in South Africa and subsequently reported in United States, Europe, Australia, New Zealand and Japan (Snyder et al., 1975; Sherf and MacNab, 1986; Hawthorne et al., 1992; Champaco et al., 1993; Nagao et al., 1994; Armengol et al., 2000).…”

Section: Introductionmentioning

confidence: 98%

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Detection of Races 1 and 2 of Fusarium solani f. sp. cucurbitae and their Distribution in Watermelon Fields in Tunisia

Boughalleb¹,

Armengol²,

Mahjoub³

2005

Journal of Phytopathology

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A crown, foot and fruit rot of watermelon has been observed in most of the watermelon production areas in Tunisia. A survey conducted from 2000 to 2001 allowed the isolation of 291 isolates which were identified as Fusarium solani. These isolates were identified as F. solani f. sp. cucurbitae (Fsc) and races 1 and 2 characterized on the basis of pathogenicity tests on watermelon seedlings and muskmelon fruits. These results were confirmed by counts of the number of septa in the macroconidia. About 271 isolates were identified as Fsc race 1, 12 isolates were identified as Fsc race 2 and eight isolates were not pathogenic. Race 1 is widely distributed in watermelon production areas in Tunisia and race 2 has a lower incidence but it is present in the north, the middle and southern Tunisian watermelon cropping areas. Additionally, a study to compare the virulence of 122 isolates of Fsc race 1 showed different degrees of virulence among them. This is the first report of Fsc races 1 and 2 in Tunisia.

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Section: Discussionsupporting

confidence: 76%

Section: Discussionmentioning

confidence: 99%

“…Watermelon seedlings were inoculated as described before. The severity of seedling invasion was determined after 21 days according to the rating scale proposed by Nagao et al. (1994).…”

Section: Virulence Of F Solani F Sp Cucurbitae Race 1 Isolatesmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 98%

See 2 more Smart Citations

Detection of Races 1 and 2 of Fusarium solani f. sp. cucurbitae and their Distribution in Watermelon Fields in Tunisia

Boughalleb¹,

Armengol²,

Mahjoub³

2005

Journal of Phytopathology

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“…cucurbitae race 1, and indicated that grafting does not control the root rot of cucurbits in Japan. Various cucurbit species have been examined, although highly resistant species and cultivars have not been detected (Tousson & Snyder, 1961;Sumner, 1976;Vannacci & Gambogi, 1980;Paternotte, 1987;Nagao et al, 1994). In particular, all these authors described C. maxima and C. moschata as susceptible or very susceptible species.…”

Section: Discussionmentioning

confidence: 99%

Fusarium solani f. sp. cucurbitae race 1, a potential pathogen of grafted watermelon production in Spain*

Armengol¹,

José²,

Moya³

et al. 2000

EPPO Bulletin

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A crown, root and fruit rot of squash (Cucurbita maxima and Cucurbita moschata) has been observed in eastem provinces of Spain over the past 4 years. Isolations from the crown of symptomatic plants and fruits yielded primarily a Fusarium solani that was identified as F. solani f. sp. cucurbitae race 1 on the basis of pathogenicity tests and disease symptoms in the field. In Spain, more than 90% of watermelon plants are grafted, using different Cucurbita hybrids (C. maxima x C. moschata) as rootstocks. In 1998, some grafted watermelon plants were first found to be affected by F. s. cucurbitae race 1. The purpose of this study was to evaluate the pathogenicity of this fungus on several rootstocks commonly used for grafting watermelon (Brava, Titan, Shintoza, RS-841, TZ-148 and TW-1) in order to prevent a possible spread of this fungus that could cause serious economic losses in watermelon production. None of them proved to be resistant.

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Fusarium solani f.sp.cucurbitae andF. oxysporum f.sp.niveum inoculum densities in tunisian soils and their effect on watermelon seedlings

Boughalleb

Mahjoub

2006

Phytoparasitica

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Susceptibility of Cucurbita spp to the cucurbit root-rot fungus, Fusarium solani f sp cucurbitae race 1

Cited by 12 publications

References 6 publications

Detection of Races 1 and 2 of Fusarium solani f. sp. cucurbitae and their Distribution in Watermelon Fields in Tunisia

Detection of Races 1 and 2 of Fusarium solani f. sp. cucurbitae and their Distribution in Watermelon Fields in Tunisia

Fusarium solani f. sp. cucurbitae race 1, a potential pathogen of grafted watermelon production in Spain*

Fusarium solani f.sp.cucurbitae andF. oxysporum f.sp.niveum inoculum densities in tunisian soils and their effect on watermelon seedlings

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