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Browsing Natural and Agricultural Sciences by UP Author "Zhou, Xudong"
Now showing items 1-18 of 18
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Chang, R.L.; Arnold, R.J.; Zhou, Xudong (Forest Research Institute Malaysia, 2012)The activity levels of five defensive enzymes, namely, peroxidase (POD), polyphenol oxidase (PPO), superoxide dismutase (SOD), phenylalanine ammonia-lyase (PAL) and catalase (CAT) were assessed in shoots of four commercial ...
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Lombard, Lorenzo; Zhou, Xudong; Crous, Pedro W.; Wingfield, Brenda D.; Wingfield, Michael J. (Nationaal Herbarium Nederland & Centraalbureau voor Schimmelcultures, 2010-01)Decline in the productivity of Eucalyptus hybrid cutting production in the Guangdong Province of China is linked to cutting rot associated with several Calonectria spp. The aim of this study was to identify these fungi ...
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Paciura, Dina; Zhou, Xudong; De Beer, Z. Wilhelm; Jacobs, Karin; Ye, H. (Springer, 2010-01)Ophiostomatoid fungi on trees are typically bark beetle associates that cause sapstain in timber and some are pathogens. Very little is known regarding the ophiostomatoid fungi associated with bark beetles in China and the ...
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Chen, ShuaiFei; Pavlic-Zupanc, Draginja; Roux, Jolanda; Slippers, Bernard; Xie, YaoJian; Wingfield, Michael J.; Zhou, Xudong (Wiley-Blackwell, 2011)The Botryosphaeriaceae is a species-rich family that includes pathogens of a wide variety of trees, including Eucalyptus species. Symptoms typical of infection by the Botryosphaeriaceae have recently been observed in ...
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Grobbelaar, J.W. (Johanna Wilhelmina); De Beer, Z. Wilhelm; Bloomer, Paulette; Wingfield, Michael J.; Zhou, Xudong; Wingfield, Brenda D. (Springer, 2011-03)Ophiostoma species such as O. quercus are the most frequent causal agents of sapstain of freshly felled hardwood timber and pulpwood. Many species are regarded as economically important agents of wood degradation. The aim ...
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Paciura, Dina; De Beer, Z. Wilhelm; Jacobs, Karin; Zhou, Xudong; Ye, H.; Wingfield, Michael J. (Nationaal Herbarium Nederland & Centraalbureau voor Schimmelcultures, 2010-12)Leptographium spp. are anamorphs of Grosmannia residing in the order Ophiostomatales. These fungi are typically associated with bark-beetles and are common causal agents of sapstain in lumber and some are important tree ...
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Coutinho, Teresa A.; Wingfield, Michael J.; Marais, Gert; Oberholster, Anna-Maria; Wingfield, Brenda D.; Naidoo, Sanushka; Myburg, Alexander Andrew; Van den Berg, Noelani; Steenkamp, Emma Theodora; Berger, David Kenneth; Kunert, Karl J.; Chikwamba, R.K. (Rachel Kerina); Aveling, T.A.S. (Terry); Roux, Jolanda; Myburg, Zander; Zhou, Xudong; University of Pretoria. Forestry and Agricultural Biotechnology Institute; University of Pretoria. FABI (Forestry and Agricultural Biotechnology Institute, University of Pretoria, 2007)
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High intercontinental migration rates and population admixture in the sapstain fungus Ophiostoma ips Zhou, Xudong; Burgess, Treena I.; De Beer, Z. Wilhelm; Lieutier, Francois; Yart, Annie; Klepzig, Kier; Carnegie, Angus J.; Portales, Julio Mena; Wingfield, Brenda D.; Wingfield, Michael J. (Blackwell, 2007-01)Ophiostoma ips is a common fungal associate of various conifer-infesting bark beetles in their native ranges and has been introduced into non-native pine plantations in the Southern Hemisphere. In this study, we used 10 ...
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Chen, ShuaiFei; Gryzenhout, Marieka; Roux, Jolanda; Xie, YaoJian; Wingfield, Michael J.; Zhou, Xudong (American Phytopathological Society, 2010-09)The genus Chrysoporthe includes important pathogens of plantation-grown Eucalyptus spp. and has been reported from several tree genera in the order Myrtales in tropical and subtropical areas of the world. During disease ...
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Zhou, Xudong; Jacobs, Karin; Kirisits, Thomas; Chhetri, D.B.; Wingfield, Michael J. (National Herbarium Nederland, 2008)Leptographium spp. are commonly associated with bark beetles and weevils (Coleoptera: Curculionidae), and some are important tree pathogens. In a recent survey of diseases and insect pests of conifer trees in Bhutan, the ...
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Romón, Pedro; De Beer, Z. Wilhelm; Zhou, Xudong; Duong, Tuan A.; Wingfield, Brenda D.; Wingfield, Michael J. (Mycological Society of America, 2014-01)Ophiostoma species, some of which cause sapstain in timber and/or are mild pathogens, are common fungal associates of bark beetles (Coleoptera: Scolytinae). Three new Ophiostomataceae from Spain are recognized in the ...
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Lombard, Lorenzo; Chen, ShuaiFei; Mou, X.; Zhou, Xudong; Crours, Pedro W.; Wingfield, Michael J. (Fungal Biodiversity Centre (CBS), 2015-03)Plantation forestry is expanding rapidly in China to meet an increasing demand for wood and pulp products globally. Fungal pathogens including species of Calonectria represent a serious threat to the growth and sustainability ...
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Chen, ShuaiFei; Lombard, Lorenzo; Roux, Jolanda; Xie, YaoJian; Wingfield, Michael J.; Zhou, Xudong (Nationaal Herbarium Nederland & Centraalbureau voor Schimmelcultures, 2011-01)Leaf blight caused by Calonectria spp. is an important disease occurring on Eucalyptus trees grown in plantations of Southeast Asia. Symptoms of leaf blight caused by Calonectria spp. have recently been observed in commercial ...
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Chen, ShuaiFei; Gryzenhout, Marieka; Roux, Jolanda; Xie, YaoJian; Wingfield, Michael J.; Zhou, Xudong (Mycological Society of America, 2011)Many species in the Cryphonectriaceae cause diseases of trees, including those in the genera Eucalyptus and Syzygium. During disease surveys on these trees in southern China, fruiting structures typical of fungi in the ...
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Chang, Runlei; Duong, Tuan A.; Taerum, Stephen J.; Wingfield, Michael J.; Zhou, Xudong; De Beer, Z. Wilhelm (International Mycological Association, 2020-07-30)Bark beetle galleries are complex ecosystems where many microbes and other arthropods co-exist with the beetles. Fungi isolated from these galleries are often referred to as ‘beetle associates’, but the nature of these ...
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Min, Lu; Zhou, Xudong; De Beer, Z. Wilhelm; Wingfield, Michael J.; Sun, Jiang-Hua (Kunming University of Science and Technology, P.R. China, 2009-10)Bark beetles (Coleoptera: Scolytinae) are common vectors of ophiostomatoid fungi, including several primary tree pathogens as well as important agents of sapstain. Dendroctonus valens, considered a secondary bark beetle ...
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Chang, Runlei; Wingfield, Michael J.; De Beer, Z. Wilhelm; Zhou, Xudong; Duong, Tuan A. (Westerdijk Fungal Biodiversity Institute, 2021-12)Ips subelongatus (Coleoptera, Scolytinae) is an important bark beetle species that infests Larix spp. in Asia. Individuals of this beetle are vectors of ophiostomatoid fungi, on their exoskeletons, that are transmitted ...
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Yin, Mingliang; Duong, Tuan A.; Wingfield, Michael J.; Zhou, Xudong; De Beer, Z. Wilhelm (Springer, 2015-02)Leptographium procerum (Ophiostomatales, Ascomycota) is a well-known fungal associate of pine root-infesting bark beetles and weevils, occurring in several countries of the world. The fungus is not a primary pathogen ...
Now showing items 1-18 of 18