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A new pathotype ofPseudoperonospora cubensis causing downy mildew in cucurbits in Israel

  • Phytopathology/Mycology
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Abstract

Downy mildew, incited by the comycetePseudoperonospora cubensis (Berk.et Curt.) Rost., was recorded in Israel during the years 1979–2001 on cucumber (Cucumis sativus) and melon (Cucumis melo) and classified as pathotype 3. In July 2002 severe outbreaks of downy mildew occurred on pumpkin (Cucurbita moschata) and summer squash (Cucurbita pepo subsp.pepo). Host range pathogenicity studies revealed high compatibility of the new population with cucumber, melon, pumpkin and summer squash but low compatibility with watermelon. This new population was therefore designated as pathotype 6. The possible origin of this new pathotype in Israel is discussed.

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References

  1. Bedlan, G. (1989) First detection of oospores ofPseudoperonospora cubensis (Berket Curt.) Rost. on glasshouse cucumbers in Austria.Pflanzenschutzberichte 50:119–120 (German, with English summary).

    Google Scholar 

  2. Ciccarese, F., Ameduni, M. and Cirulli, M. (1990) Field reaction to powdery mildew and downy mildew of some cultivars of Cucurbitaceae species in Southern Italy.Phytopathol. Mediterr. 24:14–18.

    Google Scholar 

  3. Cohen, Y. (1977) The combined effects of temperature, leaf wetness and inoculum concentration on infection of cucumbers withPseudoperonospora cubensis.Can. J. Bot. 55:1487.

    Article  Google Scholar 

  4. Cohen, Y. (1980) The downy mildew of Cucurbits.in: Spencer, D.M. [Ed.] The Downy Mildews. Academic Press, New York, NY. pp. 341–354.

    Google Scholar 

  5. Cohen, Y., Eyal, H., Hanania, J. and Malik, Z. (1989) Ultrastructure ofPseudoperonospora cubensis in muskmelon genotype susceptible and resistant to downy mildew.Physiol. Mol. Plant Pathol. 34:27–40.

    Article  Google Scholar 

  6. Cohen, Y., Perl, M. and Rotem, J. (1971) The effect of darkness and moisture on sporulation ofPseudoperonospora cubensis in cucumbers.Phytopathology 61:594–595.

    Article  Google Scholar 

  7. Cohen, Y. and Rotem, J. (1971) Dispersal and viability of sporangia ofPseudoperonospora cubensis (Berk. & Curt.) Rost.Trans. Brit. Mycol. Soc. 57:67–74.

    Article  Google Scholar 

  8. Fugro, P.A., Rajput, J.C. and Mandokhot, A.M. (1997) Sources of resistance to downy mildew in ridge gourd and chemical control.Indian Phytopathol. 50:125–126.

    CAS  Google Scholar 

  9. Kenigsbuch, D. and Cohen, Y. (1992) Inheritance of resistance to downy mildew inCucumis melo PI 124112 and commonality of resistance genes withC. melo PI 124111F.Plant Dis. 76:615–617.

    Google Scholar 

  10. Lebeda, A. and Gadasova, V. (2002) Pathogenic variation ofPseudoperonospora cubensis in the Czech Republic and some other European countries.Acta Hortic. 588:137–141.

    Google Scholar 

  11. Lebeda, A. and Kristkova, E. (1993) Resistance ofCucurbita pepo andCucurbita moschata varieties to cucurbit downy mildew (Pseudoperonospora cubensis).Plant Var. Seeds 6:109–114.

    Google Scholar 

  12. Mahrishi, R.P. and Siradhana, B.S. (1988) Studies on downy mildew of cucurbits in Rajasthan: incidence, distribution, host range and yield losses in muskmelon.Ann. Arid Zone 27:67–70.

    Google Scholar 

  13. Palti, J. and Cohen, Y. (1980) Downy mildew of cucurbits: The fungus and its hosts, distribution, epidemiology and control.Phytoparasitica 8:109–147.

    Google Scholar 

  14. Reuveni, M., Eyal, H. and Cohen, Y. (1980) Development of resistance to metalaxyl inPseudoperonospora cubensis.Plant Dis. 64:1108–1109.

    Google Scholar 

  15. Samoucha, Y. and Cohen, Y. (1984) Differential sensitivity to mancozeb of metalaxyl-sensitive and -resistant isolates ofPseudoperonospora cubensis.Phytopathology 74:1437–1439.

    Article  Google Scholar 

  16. Thomas, C.E., Cohen, Y., McCreight, Y.D., Jourdion, E.L. and Cohen, S. (1987) Inheritance of resistance to downy mildew inCucumis melo.Plant Dis. 72:33–35.

    Article  Google Scholar 

  17. Thomas, C.E., Inaba, T. and Cohen, Y. (1987) Physiological specialization inPseudoperonospora cubensis.Phytopathology 77:1621–1624.

    Article  Google Scholar 

  18. Thomas, C.E. and Jourdain, E.L. (1992) Host effect on selection of virulence factors affecting sporulation byPseudoperonospora cubensis.Plant Dis. 76:905–907.

    Google Scholar 

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Authors and Affiliations

  1. Faculty of Life Sciences, Bar-Ilan University, Ramat Gan 52900, Israel

    Y. Cohen

  2. Ministry of Agriculture and Rural Development, Extension Service, 50250, Bet Dagan, Israel

    I. Meron, N. Mor & S. Zuriel

Authors
  1. Y. Cohen
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  2. I. Meron
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  3. N. Mor
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  4. S. Zuriel
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Corresponding author

Correspondence to Y. Cohen.

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http://www.phytoparasitica.org posting Oct. 9, 2003.

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Cohen, Y., Meron, I., Mor, N. et al. A new pathotype ofPseudoperonospora cubensis causing downy mildew in cucurbits in Israel. Phytoparasitica 31, 458–466 (2003). https://doi.org/10.1007/BF02979739

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  • DOI: https://doi.org/10.1007/BF02979739

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