Potential gains through selecting for resistance in spotted gum to Quambalaria pitereka

Geoff S Pegg; L S Shuey; A J Carnegie; M J Wingfield; A Drenth

doi:10.1007/s13313-011-0030-5

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Potential gains through selecting for resistance in spotted gum to Quambalaria pitereka

Journal article

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Potential gains through selecting for resistance in spotted gum to Quambalaria pitereka

Geoff S Pegg, L S Shuey, A J Carnegie, M J Wingfield and A Drenth

Australasian Plant Pathology, Vol.40(2), pp.197-206

2011

DOI: https://doi.org/10.1007/s13313-011-0030-5

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Abstract

Quambalaria shoot blight, caused by the fungus Quambalaria pitereka, is a serious disease affecting the expanding eucalypt plantation estate in subtropical and tropical eastern Australia. Trees that are severely infected are often multi-stemmed and stunted and infection of young trees may give rise to poor form in mature trees. A spotted gum clonal trial provided the opportunity to investigate the impact of the disease on tree growth and factors influencing tree architecture (tree form), which affects wood quality. We measured the effect that Q. pitereka infection during plantation establishment (up to 6 months old) has on growth and tree architecture and productivity to age 3 years. Our results show that the pathogen has a significant impact on trees at plantation establishment, which results in a negative impact on wood quality, potentially reducing merchantable value at final harvest. Tree growth and form was significantly improved where germplasm with low susceptibility to Q. pitereka infection was used. © 2011 Australasian Plant Pathology Society Inc.

Details

Title: Potential gains through selecting for resistance in spotted gum to Quambalaria pitereka
Authors: Geoff S Pegg (Author) - Agri-Science Queensland
L S Shuey (Author) - Agri-Science Queensland
A J Carnegie (Author) - Forest Science Centre
M J Wingfield (Author) - University of Pretoria, South Africa
A Drenth (Author) - University of Queensland
Publication details: Australasian Plant Pathology, Vol.40(2), pp.197-206
Publisher: Springer Netherlands
Date published: 2011
DOI: 10.1007/s13313-011-0030-5
ISSN: 0815-3191
Copyright note: Copyright © 2011 Springer Netherlands. The author's accepted version is reproduced here in accordance with the publisher's copyright policy. The final publication is available at Springer via http://dx.doi.org/10.1007/s13313-011-0030-5
Organisation Unit: University of the Sunshine Coast, Queensland
Language: English
Record Identifier: 99450193802621
Output Type: Journal article

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Collaboration types: Domestic collaboration; International collaboration
Web Of Science research areas: Plant Sciences