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Browsing Natural and Agricultural Sciences by UP Author "Pham, Nam Q."
Now showing items 1-13 of 13
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Wingfield, Michael J.; Pham, N.Q.; Marincowitz, Seonju; Duong, Tuan A.; Wingfield, Brenda D.; Wilson, A.M. (Andi) (Springer, 2023-09)A root disease in plantations of Pinus radiata and Pinus pinaster, where trees died in distinct patches, was present in the Western Cape province of South Africa during the 1970s and 1980s. Phytophthora cinnamomi was ...
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Tarigan, Marthin; Pham, N.Q.; Jami, Fahimeh; Oliveira, Leonardo S.S.; Saha, Muhammad Agni; Duran, Alvaro; Wingfield, Michael J. (NISC (Pty) Ltd and Informa UK Limited (trading as Taylor and Francis Group), 2023)Diseases increasingly threaten the rapidly expanding eucalypt plantation industry of Indonesia. Of these, leaf blight caused by Calonectria spp. is considered amongst the more important problems, causing losses both in ...
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Pham, Nam Q.; Duong, Tuan A.; Wingfield, Brenda D.; Barnes, Irene; Duran, Alvaro; Wingfield, Michael J. (Elsevier, 2023-12)The genus Elsinoe includes many aggressive plant pathogens that infect various economically important agricultural, horticultural and forestry plants. Significant diseases include citrus scab caused by E. fawcettii and E. ...
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Cypress canker : an important disease discovered for the first time on a native South African tree Wingfield, Michael J.; Marincowitz, Seonju; Pham, Nam Q.; Roets, Francois; Paap, Trudy; Wingfield, Brenda D.; Aylward, Janneke (Wiley, 2022-10)Cypress canker is a branch and stem canker disease of Cupressaceae trees, particularly those in the genera Cupressus and Hesperocyparis. These trees have been planted in many parts of the world as ornamentals and the ...
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Roux, Jolanda; Wingfield, Michael J.; Marincowitz, Seonju; Solis, Myriam; Phungula, Siphephelo Mnqobi; Pham, Nam Q. (Oxford University Press, 2024-04)A serious new disease of Eucalyptus was detected in South African plantations of these trees during the summer of 2021/2022. The first symptoms are minute dark spots on young leaves, petioles and shoots, becoming scab-like ...
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Wingfield, Michael J.; Marincowitz, Seonju; Barnes, Irene; Tarigan, Marthin; Solis, Myriam; Duran, Alvaro; Pham, N.Q. (Wiley, 2023-12)Acacia crassicarpa is a tropical tree species native to Australia, West Papua and Papua New Guinea, which has been widely used to establish plantations in the lowland humid tropics of Sumatra and Kalimantan. These trees, ...
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Pham, Nam Q.; Wingfield, Michael J.; Marincowitz, Seonju; Tanga, Agena A.; Tiki, Kumela R.; Kassie, Weldesenbet B.; Hurley, Brett Phillip; Germishuizen, Ilaria; Lawson, Simon A.; Healey, Madaline A.; Wondafrash, Mesfin (Oxford University Press, 2024-04)Australian Acacia species are among the most important trees planted for wood and pulp production in several African countries, including Ethiopia. In 2020, symptoms of a serious shoot and leaf rust disease were observed ...
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Wingfield, Brenda D.; Berger, David Kenneth; Coetzee, Martin Petrus Albertus; Duong, Tuan A.; Martin, Anke; Pham, Nam Q.; Van den Berg, Noelani; Wilken, Pieter Markus; Arun‑Chinnappa, Kiruba Shankari; Barnes, Irene; Buthelezi, Sikelela; Dahanayaka, Buddhika Amarasinghe; Duran, Alvaro; Engelbrecht, Juanita; Feurtey, Alice; Fourie, Arista; Fourie, Gerda; Hartley, Jesse Marion Holland; Kabwe, Eugene N. K.; Maphosa, Mkhululi N.; Mensah, Deborah L. Narh; Nsibo, David L.; Potgieter, Lizel; Poudel, Barsha; Stukenbrock, Eva H.; Thomas, Chanel; Vaghefi, Niloofar; Welgemoed, Tanya; Wingfield, Michael J. (International Mycological Association, 2022-11-21)No abstract available.
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Tarigan, Marthin; Wingfield, Michael J.; Jami, Fahimeh; Marpaung, Yosep MAN; Durán, Alvaro; Pham, Nam Q. (NISC (Pty) Ltd and Informa UK Limited (trading as Taylor and Francis Group), 2024)Several economically important pathogens, including species of Chrysoporthe, pose a threat to the rapidly expanding eucalypt plantation industry in Southeast Asia. During 2019 disease surveys in Riau and Kalimantan ...
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Burgess, T.I.; Dang, Q.N.; Le, B.V.; Pham, Nam Q.; White, D.; Pham, Thu Q. (Westerdijk Fungal Biodiversity Institute, 2020-12)Acacia mangium plantations account for more than 50 % of the exotic plantations in Vietnam. A new black butt symptom was discovered in 2012, followed by the wilting sign in Acacia seedlings in Tuyen Quang Province. Isolations ...
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Tarigan, Marthin; Wingfield, Michael J.; Marpaung, Yosep M.A.N.; Duran, Alvaro; Pham, N.Q. (Wiley, 2023-10)The Eucalyptus plantation industry in Indonesia has expanded rapidly during the last few decades. During routine nursery disease surveys, symptoms of a leaf and shoot blight disease were detected on Eucalyptus mother plants. ...
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Solis, Myriam; Wingfield, Michael J.; Greyling, Izette; Pham, Nam Q. (NISC (Pty) Ltd and Informa UK Limited (trading as Taylor and Francis Group), 2022)Eucalypt plantations in South Africa make up an important part of the local forestry industry. Recently, one-year-old nursery plants of a Eucalyptus grandis × Eucalyptus urophylla variety displayed symptoms of leaf and ...
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Soil-borne Calonectria (Hypocreales, Nectriaceae) associated with Eucalyptus plantations in Colombia Pham, Nam Q.; Marincowitz, Seonju; Chen, ShuaiFei; Rodas, Carlos A.; Wingfield, Michael J. (Pensoft Publishers, 2022-11-30)Eucalyptus spp. are widely planted in Colombia as an important component of a growing paper and pulp industry. Leaf and shoot blight caused by Calonectria spp. was one of the first disease problems to emerge in these ...
Now showing items 1-13 of 13