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Different sensitivity of Septoria nodorum Berk. populations to some commonly used fungicides

100%

Tvaruzek L., Klem K.

Hodowla Roślin, Aklimatyzacja i Nasiennictwo

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1994

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tom 38

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nr 3-4

2

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Identification and pathogenicity of Botryosphaeria parva associated with grapevine decline in Kurdistan region - Iraq

80%

Haleem R. A., Abdullah S. K., Jubrael J. M. S.

Acta Agrobotanica

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2012

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tom 65

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nr 1

During a survey on fungi associated with decline symptoms on grapevine cultivars growing in Kurdistan region of Iraq, several isolates of Botryosphaeria species were encountered. All isolates were identified as Botryosphaeria parva Pennycook and Samuels. Pathogenicity test for isolate DKI 1 was performed on two cultivars, Taefi and Rashmew. Under greenhouse conditions, one-year grape rooted cuttings were inoculated with the pathogen isolate by two methods, injecting the spore suspension into the green shoots and by artificial inoculation of wounded shoots with mycelial mat. The highest canker length (15.0 mm) was produced after four months on the shoots of the Taife cultivar artificially inoculated with mycelial mat of the pathogen. Under field conditions, two methods of inoculation were adopted, wounding the green shoots and drilling a hole in the arms of mature vine, followed by inoculation with mycelial mat. The highest canker length (11.17 mm) was obtained after 5 months on wounded shoots of the Rashmew cultivar and with a significant difference from the Taefi cultivar. The pathogen caused a reduction in fresh and dry weight of green shoots and roots compared with the non-inoculated control. This is the first report on B. parva in Iraq.

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Identification of powdery mildew resistance genes in common wheat [Triticum aestivum L.em.Thell.]. XI. Cultivars grown in Poland

80%

Kowalczyk K., Hsam S. L. K., Zeller F. J.

Journal of Applied Genetics

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1998

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tom 39

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nr 3

A collection of common wheat cullivars grown in Poland were analyzed for resistance to powdery mildew disease by using eleven differential isolates of Erysiphe graminis f. sp. tritici (Blumeria graminis). Among a total of 69 accessions, 48 cultivars possessed resistance which is attributed to known resistance genes present either individually or in a combination. Four cultivars were resistant to all the isolates used and another four cultivars revealed race-specific resistance which does not correspond to the response patterns of previously documented resistance. Resistance genes Pm2 and Pm6 in a combination were most widely distributed, and genes Pm3d, Pm4b, Pm5 and Pm8 were also postulated.

Ograniczanie wyników

1 Acta Agrobotanica

1 Hodowla Roślin, Aklimatyzacja i Nasiennictwo

1 Journal of Applied Genetics

1 Abdullah S. K.

1 Haleem R. A.

1 Hsam S. L. K.

1 Jubrael J. M. S.

1 Klem K.

1 Kowalczyk K.

1 Tvaruzek L.

1 Zeller F. J.

1 2012

1 1998

1 1994

Different sensitivity of Septoria nodorum Berk. populations to some commonly used fungicides

Identification and pathogenicity of Botryosphaeria parva associated with grapevine decline in Kurdistan region - Iraq

Identification of powdery mildew resistance genes in common wheat [Triticum aestivum L.em.Thell.]. XI. Cultivars grown in Poland