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Browsing by Author "Li, Z. Q."
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Fitness cost associated with loss of the AvrLm4 avirulence function in Leptosphaeria maculans (Phoma stem canker of oilseed rape)
Huang, Yongju; Li, Z. Q.; Evans, Neal; Rouxel, T.; Fitt, Bruce D.L.; Balesdent, Marie-Helene (2006-01)Near-isogenic isolates of Leptosphaeria maculans differing at the AvrLm4 avirulence locus (AvrLm4 or avrLm4) were produced in vitro. Methods for inoculation of leaves of oilseed rape with ascospores or conidia were compared. ... -
Leptosphaeria spp., phoma stem canker and potential spread of L. maculans on oilseed rape crops in China : Phoma stem canker on oilseed rape in China
Zhang, Xu; White, R.P.; Demir, Eren; Jedryczka, M.; Lange, R. M.; Islam, M.; Li, Z. Q.; Huang, Yongju; Hall, Avice; Zhou, G.; Wang, Z.; Cai, X.; Skelsey, P.; Fitt, Bruce D.L. (2014-06)In China, the incidence of phoma stem canker observed in pre-harvest surveys from 2005 to 2012 was greater on winter oilseed rape in provinces in central China (in May) than on spring oilseed rape in north China (in August). ... -
Strategies to prevent spread of Leptosphaeria maculans (phoma stem canker) onto oilseed rape crops in China : costs and benefits
Fitt, Bruce D.L.; Hu, B. C.; Li, Z. Q.; Liu, S. Y.; Lange, R. M.; Kharbanda, P. D.; Butterworth, M. H.; White, R.P. (2008-08)Field experiments in Europe have shown that Chinese cultivars of winter oilseed rape (Brassica napus) are very susceptible to the pathogen Leptosphaeria maculans (cause of phoma stem canker). Climatic and agronomic conditions ...