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Browsing by Author "Huang, Y. J."
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Effects of fungicide on growth of Leptosphaeria maculans and L. biglobosa in relation to development of phoma stem canker on oilseed rape (Brassica napus)
Huang, Y. J.; Hood, J. R.; Eckert, M. R.; Stonard, J. F.; Cools, H. J.; King, G. J.; Rossall, S.; Ashworth, M.; Fitt, Bruce D.L. (2011-08)Controlled-environment and field experiments were done to investigate effects of the fungicide Punch C (flusilazole plus carbendazim) on growth of Leptosphaeria maculans and L. biglobosa in oilseed rape. In controlled-environment ... -
Effects of temperature and rainfall on date of release of ascospores of Leptosphaeria maculans (phoma stem canker) from winter oilseed rape (Brassica napus) debris in the UK
Huang, Y. J.; Liu, Z.; West, Jon S.; Todd, A. D.; Hall, A. M.; Fitt, Bruce D.L. (2007)Data from a controlled environment experiment investigating effects of temperature on maturation of Leptosphaeria maculans pseudothecia were used to derive equations describing the times until 30% or 50% of pseudothecia ... -
Effects of temperature on ascospore germination and penetration of oilseed rape (Brassica napus) leaves by A- or B-group Leptosphaeria maculans (phoma stem canker)
Huang, Y. J.; Toscano-Underwood, C.; Fitt, Bruce D.L.; Hu, X. J.; Hall, A. M. (2003-04)Ascospores of both A-group and B-group Leptosphaeria maculans germinated at temperatures from 5 to 20degreesC on leaves of oilseed rape. Germination of ascospores of both groups started 2 h after inoculation and percentage ... -
Quantitative resistance to symptomless growth of Leptosphaeria maculans (phoma stem canker) in Brassica napus (oilseed rape)
Huang, Y. J.; Pirie, E. J.; Evans, Neal; Delourme, R.; King, G. J.; Fitt, Bruce D.L. (2009-04)Quantitative resistance to Leptosphaeria maculans in Brassica napus was investigated in field and controlled environments using cultivars Darmor (with quantitative resistance) and Eurol (without quantitative resistance). ... -
Resistance to Leptosphaeria maculans (phoma stem canker) in Brassica napus (oilseed rape) induced by Leptosphaeria biglobosa and chemical defence activators in field and controlled environments
Liu, S. Y.; Liu, Z.; Fitt, Bruce D.L.; Evans, Neal; Foster, S. J.; Huang, Y. J.; Latunde-Dada, A. O.; Lucas, J. A. (2006-06)Effects of pretreatment of Brassica napus leaves with ascospores of Leptosphaeria biglobosa or chemical defence activators [acibenzolar-S-methyl (ASM) or menadione sodium bisulphite (MSB)] on infection by ascospores of ... -
Temperature and leaf wetness duration affect phenotypic expression of Rlm6-mediated resistance to Leptosphaeria maculans in Brassica napus
Huang, Y. J.; Evans, Neal; Li, Zi-Qin; Eckert, M.; Chevre, A. M.; Renard, M.; Fitt, Bruce D.L. (2006-03)Near-isogenic Brassica napus lines carrying/lacking resistance gene Rlm6 were used to investigate the effects of temperature and leaf wetness duration on phenotypic expression of Rlm6-mediated resistance. Leaves were ...