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Browsing University of Hertfordshire by Author "Qi, Aiming"
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Changes and challenges in crop science research
Qi, Aiming; Zhang, Q. (Fudan University Press, 2001) -
Combining Penthiopyrad with Azoxystrobin is an Effective Alternative to Control Seedling Damping-off Caused by Rhizoctonia solani on Sugar Beet
Qi, Aiming; Liu, Yangxi; Haque, Ehsanul, M.; Bhuiyan, M.Z.R; Khan, Mohamed F.R. (2020-09-01)The soil-borne fungus Rhizoctonia solani causes damping-off on sugar beet seedlings. Growers rely on fungicides to protect sugar beet in fields affected by R. solani. Quinone outside inhibitor (QoI) fungicides, such as ... -
Combining R gene and quantitative resistance increases effectiveness of cultivar resistance against Leptosphaeria maculans in Brassica napus in different environments : Combining R gene and quantitative resistance against Leptosphaeria maculans
Huang, Yongju; Mitrousia, Georgia; Mohamed Sidique, Siti; Qi, Aiming; Fitt, Bruce (2018-05-23)Using cultivar resistance against pathogens is one of the most economical and environmentally friendly methods for control of crop diseases. However, cultivar resistance can be easily rendered ineffective due to changes ... -
Comparative Pathogenicity and Virulence of Fusarium Species on Sugar Beet
Burlakoti, Pragyan; Rivera, V.; Secor, G. A.; Qi, Aiming; Del Rio-Mendoza, L. E.; Khan, Mohamed F. R. (2012-09)In all, 98 isolates of three Fusarium spp. (18 Fusarium oxysporum, 30 F. graminearum, and 50 Fusarium sp. nov.) obtained from sugar beet in Minnesota were characterized for pathogenicity and virulence on sugar beet in the ... -
Comparison of crown and root inoculation method for evaluating the reaction of sugar beet cultivars to Rhizoctonia solani AG 2-2 IIIB
Bhuiyan, Md Ziaur Rahman; Lakshman, Dilip K; Mendoza, Luis E. Del Río; Qi, Aiming; Khan, Mohamed F.R. (2023-01-30)Sugar beet (Beta vulgaris L.) is the second major economically important sugar-yielding crops in the world and the US ranked third in world sugar beet production. Sugar beet crown rot and root rot are caused by Rhizoctonia ... -
Control of crop diseases through Integrated Crop Management to deliver climate-smart farming systems for low and high input crop production
Richard, Benjamin; Qi, Aiming; Fitt, Bruce (2022-01)Abstract: Crop diseases affect crop yield and quality and cause significant losses of total food production worldwide. With the ever‐increasing world population and decreasing land and water resources, there is a need not ... -
Cost efficacy in measuring farmland biodiversity : lessons from the Farm Scale Evaluations of GMHT crops
Qi, Aiming; Perry, J.N.; Pidgeon, J.D.; Haylock, L. A.; Brooks, D. R. (2008-02)Measuring farmland biodiversity is time-consuming and costly. Operational data from the Farm Scale Evaluation of genetically modified crops project were collated to identify the financial and time costs of each of the 14 ... -
Co‐inoculation timing affects the interspecific interactions between phoma stem canker pathogens Leptosphaeria maculans and Leptosphaeria biglobosa
Bingol, Evren; Qi, Aiming; Karandeni‐Dewage, Chinthani; Ritchie, Faye; Fitt, Bruce D. L.; Huang, Yong‐Ju (2023-11-11)BACKGROUND: Phoma stem canker is an economically important disease of oilseed rape, caused by two co‐existing fungal pathogen species, Leptosphaeria maculans (Plenodomus lingam) and Leptosphaeria biglobosa (Plenodomus ... -
Decision making in controlling virus yellows of sugar beet in the UK
Qi, Aiming; Dewar, A. M.; Harrington, R. (2004-07)Virus yellows is an important disease affecting yield in sugar beet in the UK. Myzus persicae (Sulzer) is the most effective and efficient aphid vector of the three viruses causing the disease: beet yellows virus, beet ... -
Determining the optimal population density of sugar beet crops in England
Jaggard, Keith W.; Qi, Aiming; Milford, G. F. J.; Clark, C. J. A.; Ober, E. S.; Walters, C.; Burks, E. (2011) -
Determining the optimal population density of sugarbeet crops in England
Jaggard, K. W.; Qi, Aiming; Milford, G. F. J.; Clark, C. J. A.; Ober, E. S.; Walters, C.; Burks, E. (2011-02)Eleven experiments were conducted at seven sites in England from 2006 to 2008 to investigate the sugarbeet yield response to plant populations resulting from different seed rates. Experiments were made on loamy sand, sandy ... -
Development of new quantitative physiological and molecular breeding parameters based on the sugar beet vernalization intensity model.
Chiurugwi, Tinashe; Holmes, Helen F.; Qi, Aiming; Chia, Tansy Y. P.; Hedden, Peter; Mutasa-Gottgens, Euphemia (2013-08)Sugar-beet crops, Beta vulgaris spp. vulgaris (L), suffer from premature bolting and flowering as a consequence of prolonged exposure to cold conditions (vernalization). This reduces crop yield and quality and could be ... -
Disease management in oilseed rape: insights into the Brassica napus-Pyrenopeziza brassicae pathosystem
Karandeni Dewage, Chinthani Shanika; Qi, Aiming; Stotz, Henrik; Huang, Yongju; Fitt, Bruce (AFCP, 2021-06-16) -
Distribution and Biodiversity of Seed-Borne Pathogenic and Toxigenic Fungi of Maize in Egypt and Their Correlations with Weather Variables
Qi, Aiming; M. Shabana, Yasser; M. Ghoneem, Khalid; M. Rashad, Younes; S. Arafat, Nehal; Fitt, Bruce; Richard, Benjamin (2022-09-08)Studies of the biodiversity of plant pathogenic and toxigenic fungi are attracting great attention to improve the predictability of their epidemics and the development of their control programs. Two hundred maize grain ... -
Effectiveness of Rlm7 resistance against Leptosphaeria maculans (phoma stem canker) in UK winter oilseed rape cultivars
Mitrousia, Georgia; Huang, Yongju; Qi, Aiming; Mohamed Sidique, Siti; Fitt, Bruce (2018-08)The Rlm7 gene in Brassica napus is an important source of resistance for control of phoma stem canker on oilseed rape caused by the fungus Leptosphaeria maculans. This study shows the first report of L. maculans isolates ... -
The effects of climate drought on the sugar beet yield in England-now and in the future
Qi, Aiming; Jaggard, K. W. (2008) -
Effects of cultivar resistance and fungicide application on stem canker of oilseed rape (Brassica napus) and potential interseasonal transmission of Leptosphaeria spp. inoculum
Fortune, James A.; Qi, Aiming; Ritchie, Faye; Karandeni Dewage, Chinthani Shanika; Fitt, Bruce; Huang, Yongju (2021-12)Phoma stem canker is a damaging disease of oilseed rape (Brassica napus) that causesannual yield losses to UK oilseed rape growers worth approximately £100 million,despite the use of fungicides. In the UK, oilseed rape is ... -
Efficacy of different inoculum forms of Rhizoctonia solani AG 2 2IIIB for resistance screening of sugar beet varieties
Bhuiyan, M.Z.R; E. del Rio Mendoza, Luis; Lakshman, Dilip K.; Qi, Aiming; Khan, Mohamed F. R. (2023-11-30)Sugar beet (Beta vulgaris L.) is one of the major sugar sources in the world. Rhizoctonia solani causes damping-off and crown and root rot that can result in significant yield and economic losses. R. solani AG 2–2 IIIB is ... -
English beet crops in 2010
Jaggard, Keith W.; Qi, Aiming (2011) -
Evaluating inoculation methods to infect sugar beet with Fusarium oxysporum f. Betae and F. Secorum
Qi, Aiming; Lai, Xiao; Liu, Yangxi; E. del Rio Mendoza, Luis; Liu, Zhaohui; Lin, Zhulu; F. R. Khan, Mohamed (2020-05)Minnesota and North Dakota combined contain 55% of the sugar beet production area in the United States, contributing to 49% of the nation's sugar beet production in 2018. Fusarium diseases caused by Fusarium oxysporum f. ...