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Intra-diurnal and Daily Changes in Didymella ascospore Concentrations in the Air of an Urban Site

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Sadyś, M. and West, J. (2017) Intra-diurnal and Daily Changes in Didymella ascospore Concentrations in the Air of an Urban Site. Fungal Ecology, 27 (A). pp. 87-95. ISSN 1754-5048 Online: 1878-0083

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Official URL: http://www.sciencedirect.com/science/article/pii/S...

Abstract

Didymella species are common plant pathogens affecting mainly cereal crops in countries with temperate climates, and their airborne spores are also a potential human allergen. A 5-y monitoring study was carried out at an urban site in the UK to establish the most likely exposure time in order to alert people sensitised to spores of this genus. Didymella ascospores occurred in air with a bimodal pattern, with peak concentrations occurring at 03:00 and 22:00. The majority of ascospores were observed from 20:30 to 07:30 according to a multivariate regression tree analysis. Similarly, circular tests indicated that the maximum hourly concentrations occurred in the morning hours. The highest ascospore concentrations were observed in very humid conditions occurring after rainfall. The observations taken from an urban site were delayed in relation to the time of ascospore release previously reported from field sites. Thus, there is a high possibility of regional transport of ascospores in the atmosphere from remote sources.

Item Type:	Article
Additional Information:	Staff and students at the University of Worcester can access the full-text via the UW online library search. External users should check availability with their local library or Interlibrary Requests Service.
Uncontrolled Discrete Keywords:	pathogen, bioaerosol, asthma, exposure time, air quality, fungal ecology
Related URLs:	Publisher UNSPECIFIED
Depositing User:	Karol Kosinski
Date Deposited:	31 May 2017 14:46
Last Modified:	17 Jun 2020 17:17
URI:	https://eprints.worc.ac.uk/id/eprint/5467

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