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Ascochyta blight (Ascochyta syringae) of lilac (Syringa vulgaris L.)

100%

Kosiada T.

Acta Scientiarum Polonorum. Hortorum Cultus

2016

tom 15

nr 4

Lilac (Syringa vulgaris L.) is a popular ornamental woody plant grown for its very decorative flowers and large, dark-green leaves. The leaves remain on the shrubs for a long time. The fungus, Ascochyta syringae, is a pathogen which deteriorates the decorative value of the leaves. It causes brown irregular spots on leaves. In this study, 20 fungal isolates were tested in terms of their pathogenicity towards the leaves of S. vulgaris, and mycelium growth rate, while genetic variability was determined by RAPD-PCR. It was found that some isolates do not cause the formation of brown spots on leaves. Isolates differed considerably in terms of mycelium growth rate, ranging from 0.5 mm day⁻¹ (B96 at 30°C) to 8.8 mm day⁻¹ (B92a at 25°C). A positive dependence between mycelium growth and the capacity to cause leaf spots was observed. No close dependence was found between the genetic variability of isolates and the other examined traits of the isolates.

Choroby ozdobnych krzewow lisciastych

88%

Orlikowski L. B.

Działkowiec

1998

nr 09

39-40

Ograniczanie wyników

1 Acta Scientiarum Polonorum. Hortorum Cultus

1 Działkowiec

1 Kosiada T.

1 Orlikowski L. B.

1 2016

1 1998

Wyniki wyszukiwania

Ascochyta blight (Ascochyta syringae) of lilac (Syringa vulgaris L.)

Choroby ozdobnych krzewow lisciastych