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Digitale Medien

A new virulent strain of Puccinia hordei (1978)

Golan, Tamar ; Anikster, Y. ; Moseman, J. G. ; [weitere]

Springer

Euphytica 27 (1978), S. 185-189

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Details

ISSN: 1573-5060

Schlagwort(e): Puccinia hordei ; brown barley leaf rust ; Ornithogalum sp. ; alternate host ; Hordeum vulgare ; barley

Quelle: Springer Online Journal Archives 1860-2000

Thema: Land- und Forstwirtschaft, Gartenbau, Fischereiwirtschaft, Hauswirtschaft

Notizen: Summary Four cultures of Puccinia hordei isolated from the alternate Ornithogalum hosts in Israel were virulent on seedlings of barley cultivars carrying resistance genes Pa, Pa2, Pa2 + Pa5, Pa2 + Pa6, Pa3, Pa4, and Pa7. Cultures with such a spectrum of virulence have never been reported. The cultures remained stable through 20 successive inoculation and isolation cycles. One of the cultures, T-40SS, retained its specific virulence after selfing on the alternate host. The evolution of virulent races of obligate parasites in the centers of origin of their hosts is discussed.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/BF00039134

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