Browsing Research Articles (University of Pretoria) by Author "Chhetri, D.B."

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Leptographium bhutanense sp. nov., associated with the root collar weevil Hylobitelus Chenkupdorjii on Pinus wallichiana in Bhutan

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 ...
New host and country records of the Dothistroma needle blight pathogens from Europe and Asia

Barnes, Irene; Kirisits, Thomas; Akulov, A.; Chhetri, D.B.; Wingfield, Brenda D.; Bulgakov, T.S.; Wingfield, Michael J. (Blackwell, 2008-06)

Dothistroma needle blight (DNB) is a serious disease of pines (Pinus spp.), with a worldwide distribution. It is caused by the ascomycete fungi Dothistroma septosporum (teleomorph: Mycosphaerella pini) and Dothistroma pini ...
Sirococcus shoot blight on Picea spinulosa in Bhutan

Kirisits, Thomas; Konrad, H.; Halmschlager, E.; Stauffer, C.; Wingfield, Michael J.; Chhetri, D.B. (Blackwell, 2007-02)

During a recent survey of forest tree diseases in Western and Central Bhutan, Sirococcus shoot blight and an associated Sirococcus sp. were found on saplings and mature trees of Eastern Himalayan spruce (Picea spinulosa). ...

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