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Effect of sap-feeding insects, plant characteristics, and weather parameters on sooty moulds in the temperate zone

Title data

Flessa, Fabienne ; Babel, Wolfgang ; Kehl, Alexandra ; Rambold, Gerhard ; Kohl, Matthias:
Effect of sap-feeding insects, plant characteristics, and weather parameters on sooty moulds in the temperate zone.
In: Journal of Plant Pathology. Vol. 104 (2022) . - pp. 1291-1301.
ISSN 2239-7264
DOI: https://doi.org/10.1007/s42161-022-01177-0

Official URL: Volltext

Abstract in another language

In this study, relevant variables were determined to predict the probability of sooty mould biofilm (SMB) occurrence on willow leaves in a multivariate model. Despite a large temporal gap between the main sap-feeding insect (SFI) season in spring (May to June) and the main season of SMBs in late summer and fall (August to September), trees infested with SFIs on four or more observation dates had significantly more SMBs (3.7-fold) toward the end of the growing season. In addition, a horizontal leaf position and recessed leaf veins, traits that may increase the wettability of the leaves, positively influenced SMB occurrence (27.8-fold). Among the weather parameters, those that lead to higher moisture on leaf surfaces, namely high morning and evening relative humidity, higher precipitation sums, and lower vapour pressure deficit values, also had the strongest positive effect. In addition to these parameters, higher wind speeds also had a strong positive effect on SMB occurrence.

Further data

Item Type: Article in a journal
Refereed: Yes
Keywords: Biofilm ecology; Host plant influence; Willow; Pest management; Climatic parameters
Institutions of the University: Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Biology > Former Professors > Professor Mycology - Univ.-Prof. Dr. Gerhard Rambold
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Earth Sciences > Professor Micrometeorology > Professor Micrometeorology - Univ.-Prof. Dr. Christoph K. Thomas
Faculties
Faculties > Faculty of Biology, Chemistry and Earth Sciences
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Biology
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Biology > Professor Mycology
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Earth Sciences
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Earth Sciences > Professor Micrometeorology
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Biology > Former Professors
Result of work at the UBT: Yes
DDC Subjects: 500 Science > 550 Earth sciences, geology
500 Science > 570 Life sciences, biology
500 Science > 580 Plants (Botany)
Date Deposited: 17 Feb 2023 07:20
Last Modified: 06 Oct 2023 08:55
URI: https://eref.uni-bayreuth.de/id/eprint/73863