Preliminary evaluation of the effect of Ampelomyces quisqualis on the degree of plant infestation with selected Erysiphales species proposed as potential bioindicators

E. Sucharzewska and M. Dynowska
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E. Sucharzewska: Department of Mycology, University of Warmia and Mazury in Olsztyn, 10-957 Olsztyn, Poland *
M. Dynowska: Department of Mycology, University of Warmia and Mazury in Olsztyn, 10-957 Olsztyn, Poland *

Plant Protection Science, 2002, vol. 38, issue SI2-6thConfEFPP, 436-438

Abstract: In the year 2000 Ampelomyces quisqualis was noted, with various intensity, in north-eastern Poland on different species of Erysiphales selected as potential bioindicators of urban pollution. The results of observation of Erysiphe sordida (on Plantago major), Sphaeroteca erigerontis-canadensis (on Taraxacum officinale) and Microsphaera hypophylla (on Quercus robur) - susceptible species, and Microsphaera palczewskii (on Caragana arborescens) - a resistant species, suggest that A. quisqualis shows affinity to some hosts regardless of their individual reactions to the level and range of anthropopressure. It clearly prefers the genera: Erysiphe and Sphaerotheca. Its effect on the degree of host plant infestation with powdery mildew under natural conditions seems insignificant.

Keywords: Ampelomyces quisqualis; host plants; urban pollution; powdery mildew; lesions (search for similar items in EconPapers)
Date: 2002
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DOI: 10.17221/10516-PPS

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