Abstract
The effect of four different temperatures (15, 20, 25 and 30°C) on the in vitro growth of 19 isolates of Pandora blunckii and 14 isolates of Zoophthora radicans from Plutella xylostella larvae was investigated. Both species grew more at 20 and 25°C than the other two temperatures. However, Z. radicans grew more than P. blunckii at 20 and 25°C. Within each species there were differences amongst: all isolates regardless of geographical origin, isolates from different countries and isolates from Mexico. No relationship was found between optimal growth temperature and geographical origin. This represents the first report of the relationship between temperature and the in vitro growth of P. blunckii. The ecological role of this large variability amongst isolates within each species is discussed.
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Acknowledgements
AGF was supported by Asociacion Nacional de Investigaciones e Instituciones de Educación Superior (ANUIES) and Colegio de Postgraduados, México. JKP was supported by the Department for Environment, Food and Rural Affairs of UK (Defra). Rothamsted Research receives grant-aided support from the Biotechnology and Biological Sciences Research Council (BBSRC) of UK.
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Guzmán-Franco, A.W., Clark, S.J., Alderson, P.G. et al. Effect of temperature on the in vitro radial growth of Zoophthora radicans and Pandora blunckii, two co-occurring fungal pathogens of the diamondback moth Plutella xylostella . BioControl 53, 501–516 (2008). https://doi.org/10.1007/s10526-007-9095-z
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DOI: https://doi.org/10.1007/s10526-007-9095-z