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Browsing by Author "Huang, Yongju"
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Oilseed rape (Brassica napus) resistance to growth of Leptosphaeria maculans in leaves of young plants contributes to quantitative resistance in stems of adult plants : Resistance to growth of Leptosphaeria maculans in leaves of young plants
Huang, Yongju; Fitt, Bruce; King, Graham; Delourme, Regine (2019-09-12)Key message: One QTL for resistance against Leptosphaeria maculans growth in leaves of young plants in controlled environments overlapped with one QTL detected in adult plants in field experiments The fungal pathogen ... -
Pathogenicity of Leptosphaeria biglobosa to oilseed rape (Brassica napus) cultivars differing in resistance against Leptosphaeria maculans
Mitrousia, Georgia; Huang, Yongju; Hall, Avice; Fitt, Bruce D.L. (2013-08)Field and controlled environment experiments were done to examine the pathogenicity of L. biglobosa on cultivars with good resistance (carrying the Rlm7 gene) or moderate resistance (carrying the Rlm4 gene) against L. ... -
Pathogenicity of leptosphaeria maculans isolates obtained from brassica napus (oilseed rape) cultivars with the rlm7 resistance gene
Mitrousia, Georgia; Huang, Yongju; Hall, Avice; Fitt, Bruce D.L. (2013-08)Isolates obtained from winter oilseed rape cultivars with the resistance gene Rlm7 were examined for their pathogenicity by inoculation onto cotyledons and true leaves of the susceptible cultivar Drakkar (no R gene) and ... -
Patterns of ascospore release in relation to phoma stem canker epidemiology in England (Leptosphaeria maculans) and Poland (Leptosphaeria biglobosa)
Huang, Yongju; Fitt, Bruce D.L.; Jedryczka, M.; Dakowska, S.; West, Jon S.; Gladders, P.; Steed, J. M.; Lil, Z. Q. (2005-03)Experiments over five growing seasons at Rothamsted (1998/99-2002/03), four seasons at Boxworth (1998/99, 1999/2000, 2001/02, 2002/03) in England (Leptosphaeria maculans) and three seasons (1998/99-2000/01) at Poznan in ... -
Phoma stem canker and light leaf spot on oilseed rape in a changing climate
Fitt, Bruce D.L.; Evans, Neal; Gladders, P.; Huang, Yongju (Association of Applied Biologists, 2008) -
Predicting timing of release of ascospores of Leptosphaeria spp. to improve control of phoma stem canker on oilseed rape in the UK
Qi, Aiming; Huang, Yongju; Malcolm-Brown, Martin; Mohamed Sidique, Siti; Fitt, Bruce D.L. (2014-06)Phoma stem canker is an economically damaging disease of oilseed rape crops, causing an annual loss estimated at more than £87M in the UK at a price of £390/t. It is caused by two related pathogens: Leptosphaeria maculans ... -
QTL mapping for resistance against Pyrenopeziza brassicae derived from a Brassica napus secondary gene pool
Karandeni Dewage, Chinthani Shanika; Cools, Katherine; Stotz, Henrik; Qi, Aiming; Huang, Yongju; Wells, Rachel; Fitt, Bruce (2022-02-04)Use of host resistance is the most economical and environmentally safe way to control light leaf spot disease of oilseed rape (Brassica napus). The causal organism of light leaf spot, Pyrenopeziza brassicae, is one of the ... -
Quantifying DNA of Leptosphaeria maculans and Pyrenopeziza brassicae in oilseed rape tissues using QPCR
West, Jon S.; Rogers, S. L.; Latunde-Dada, A. O.; Pirie, E. J.; Stonard, J. F.; Huang, Yongju; Atkins, Simon D.; Fitt, Bruce D.L. (2008-08) -
The race structure of Leptosphaeria maculans (phoma stem canker) in the United Kingdom
Huang, Yongju; Mitrousia, Georgia; Fitt, Bruce D.L. (INRAE, 2012-10)Phoma stem canker (Leptosphaeria maculans) is the main disease problem on winter oilseed rape (Brassica napus) in the UK, causing losses of > £100M p.a., despite use of fungicides. Two types of resistance to L. maculans ... -
Relationship between some enzyme activity and resistance to Sclerotinia stem rot of new strain selected by intergeneric hybridisation in Brassica napus
Zhao, Jianwei; Huang, Yongju (1998) -
Resistance to Leptosphaeria maculans in Brassica napus (oilseed rape) leaves (phoma leaf spot) and stems (canker)
Pirie, E. J.; Huang, Yongju; Evans, Neal; Fitt, Bruce D.L. (British Crop Protection Council, 2005) -
The SECURE project – Stem canker of oilseed rape: : molecular methods and mathematical modelling to deploy durable resistance
Evans, N; Fitt, Bruce D.L.; van den Bosch, Frank; Huang, Yongju; Eckert, M. R.; Pietravalle, S; Demon, I; Papastamati, K.; Karolewski, Z; Rouxel, T; Balesdent, M H; Ross, S; Fudal, I; Gout, L; Brun, H; Andrivon, D; Bousset, L; Besnard, AL; Gladders, P; Pinochet, X; Penaud, A; Jedryczka, M; Kachlicki, P; Irzykowski, W; Stachowiak, A; Olechnowicz, J; Podlesna, A; Happstadius, I; Renard, M (2007-03-26)Modelling done during the SECURE project has demonstrated the dynamic nature of the interaction between phoma stem canker (Leptosphaeria maculans), the oilseed rape host (Brassica napus) and the environment. Experiments ... -
Severity of phoma leaf spotting and stem canker on Brassica napus cultivars with Rlm7 resistance against Leptosphaeria maculans in the UK
Mitrousia, Georgia; Huang, Yongju; Hall, Avice; Fitt, Bruce D.L. (2012) -
Stem Canker of oilseed rape : Molecular methods and mathematical modelling to deploy durable resistance
Evans, Neal; Fitt, Bruce D.L.; van den Bosch, Frank; Eckert, M. R.; Huang, Yongju; Pietravalle, S.; Rouxel, Thierry; Balesdent, Marie-Helene; Ross, S.; Gout, L.; Brun, Hortense; Andrivon, Didier; Bousset, L.; Gladders, P.; Pinochet, X.; Penaud, A.; Jedryczka, M.; Kachlicki, P.; Stachowiak, A.; Olechnowicz, J.; Happstadius, I.; Podlesna, A.; Renard, Michel; Karolewski, Z. (Fourth SECURE Annual Report for the European Union, 2008) -
Stem canker of oilseed rape : molecular tools and mathematical modelling to deploy durable resistance
Evans, Neal; Fitt, Bruce D.L.; van den Bosch, Frank; Eckert, M. R.; Huang, Yongju; Pietravalle, S.; Karolewski, Z.; Rouxel, Thierry; Balesdent, Marie-Helene; Ross, S.; Gout, L.; Brun, Hortense; Andrivon, Didier; Bousset, L.; Gladders, P.; Pinochet, X.; Penaud, A.; Jedryczka, M.; Kachlicki, P.; Stachowiak, A.; Olechnowicz, J.; Podlesna, A.; Happstadius, I.; Meyer, J.; Renard, Michel (2003)SECURE (Stem canker of oilseed rape: molecular tools and mathematical modelling to deploy durable resistance; QLK5-2002-01813) aims to deliver a model for deployment of cultivars with resistance to Leptosphaeria maculans ... -
Survival of A-group and B-group Leptosphaeria maculans (phoma stem canker) ascospores in air and mycelium on oilseed rape stem debris
Huang, Yongju; Fitt, Bruce D.L.; Hall, A. M. (2003-12)Mycelium of Leptosphaeria maculans survived on oilseed rape stem base debris buried in sand for 2, 4, 6, 8, 10 or 12 months and produced pseudothecia after subsequent exposure on the surface of the ground under natural ... -
A systems approach to the control of strawberry powdery mildew
Jin, Xiaolei; Hall, Avice; Fitt, Bruce D.L.; Huang, Yongju (2014)A systems approach to the control of strawberry powdery mildew (Podospheara aphanis) is important, as the disease is never absent from the crop. Work reported here shows that the disease is present in the crop whether new ... -
Targeting the symptomless phase of pathogen growth to understand quantitative resistance to Leptosphaeria maculans
Huang, Yongju; Jestin, C.; Delourme, R.; King, Graham J.; Fitt, Bruce D.L. (2008-08) -
Temperature affects the effectiveness of R gene mediated resistance against Leptosphaeria maculans (phoma stem canker) in Brassica napus (oilseed rape)
Huang, Yongju; de Lope, Lucia; Mitrousia, Georgia; Stotz, Henrik; Larkan, Nicholas J.; Rimmer, Roger S.; Fitt, Bruce D.L. (2014)Phoma stem canker (Leptosphaeria maculans) is an economically important disease on oilseed rape (Brassica napus) in Europe, Australia and North America. Effective control of this disease relies on the use of two types of ... -
Transcriptomics of temperature-sensitive R gene-mediated resistance identifies a WAKL10 protein interaction network
Noel, Katherine; Wolf, Ivan; Hughes, David; Valente, Guilherme; Qi, Aiming; Huang, Yongju; Fitt, Bruce; Stotz, Henrik (2024-02-29)Understanding temperature-sensitivity of R gene-mediated resistance against apoplastic pathogens is important for sustainable food production in the face of global warming. Here, we show that resistance of Brassica napus ...