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Etiology and control of powdery scab of potato in a semi-arid region of Israel

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Abstract

Powdery scab of potato, incited bySpongospora subterranea var.subterranea (Walk.) Lagerh., was recently identified in Israel. Experiments were conducted to determine the role of tuber-borne inoculum in inciting the disease, and to eradicate tuber- and soilborne inoculum. Dipping for 2 min in a mixture of 0.75% ai. pentachloronitrobenzene and 0.03% a.i. organic mercury was found to be highly effective in controlling tuber-borne inoculum. Soil fumigation with methyl bromide or treatment with metham-sodium in irrigation water provided good control of soilborne inoculum.

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Authors and Affiliations

  1. Dept. of Plant Pathology, ARO, Gilat Experiment Station, 85280, Negev, Israel

    J. Krikun

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  1. A. Nachmias
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  2. J. Krikun
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Publication of the Agricultural Research Organization. No. 2278-E, 1988 series.

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Nachmias, A., Krikun, J. Etiology and control of powdery scab of potato in a semi-arid region of Israel. Phytoparasitica 16, 33–38 (1988). https://doi.org/10.1007/BF02979574

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  • DOI: https://doi.org/10.1007/BF02979574

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