<abstract xmlns="http://www.w3.org/1999/xhtml"><p>Dothistroma needle blight (DNB) is a disease of pine needles. It causes significant defoliation of affected trees; intensive attacks lead to damages of the whole stand. The relationship of trends in disease severity and intensity with climatic variables were studied in three Austrian pine plantations (Jahodná, Kálnica, Litava) during 2014–2018. During the monitoring period, the greatest variability in disease severity was observed in the top third of the crowns, which showed the highest correlation with the variants of the most important climatic conditions (temperature and relative humidity) tested. For the spread of DNB, based on statistical assessment, a higher number of intervals of environmentally favourable climatic conditions is crucial. Both <italic>Dothistroma</italic> species (<italic>D. septosporum</italic> and <italic>D. pini</italic>), which are causal agents of the disease, were identified in Jahodná. In Kálnica and Litava, only <italic>D. septosporum</italic> was present.</p></abstract>

Dothistroma needle blight (DNB) is a disease of pine needles. It causes significant defoliation of affected trees; intensive attacks lead to damages of the whole stand. The relationship of trends in disease severity and intensity with climatic variables were studied in three Austrian pine plantations (Jahodná, Kálnica, Litava) during 2014–2018. During the monitoring period, the greatest variability in disease severity was observed in the top third of the crowns, which showed the highest correlation with the variants of the most important climatic conditions (temperature and relative humidity) tested. For the spread of DNB, based on statistical assessment, a higher number of intervals of environmentally favourable climatic conditions is crucial. Both Dothistroma species (D. septosporum and D. pini), which are causal agents of the disease, were identified in Jahodná. In Kálnica and Litava, only D. septosporum was present.

Selected climatic variables in Slovakia are favourable to the development of Dothistroma needle blight

Department of Plant Pathology and Mycology

Folia Oecologica

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Dothistroma needle blight (DNB) is a disease of pine needles. It causes significant defoliation of affected trees; intensive attacks lead to damages of the...

Selected climatic variables in Slovakia are favourable to the development of Dothistroma needle blight

Published Online: Nov 24, 2020

Page range: 144 - 152

Received: Apr 10, 2020

Accepted: Sep 29, 2020

DOI: https://doi.org/10.2478/foecol-2020-0017

Keywords
disease intensity, Dothistroma needle blight, relative humidity, temperature

© 2020 Emília Ondrušková et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Selected climatic variables in Slovakia are favourable to the development of Dothistroma needle blight

Published Online: Nov 24, 2020

Page range: 144 - 152

Received: Apr 10, 2020

Accepted: Sep 29, 2020

DOI: https://doi.org/10.2478/foecol-2020-0017

Keywordsdisease intensity, Dothistroma needle blight, relative humidity, temperature

© 2020 Emília Ondrušková et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Keywords
disease intensity, Dothistroma needle blight, relative humidity, temperature