A Rapid Seedling Based Screening Technique to Assay Tobacco for Resistance to Phytophthora nicotianae

Van Jaarsveld, E., Wingfield, M. J. and Drenth, A. (2003) A Rapid Seedling Based Screening Technique to Assay Tobacco for Resistance to Phytophthora nicotianae. Journal of Phytopathology, 151 7-8: 389-394. doi:10.1046/j.1439-0434.2003.00737.x


Author Van Jaarsveld, E.
Wingfield, M. J.
Drenth, A.
Title A Rapid Seedling Based Screening Technique to Assay Tobacco for Resistance to Phytophthora nicotianae
Formatted title A Rapid Seedling Based Screening Technique to Assay Tobacco for Resistance
to Phytophthora nicotianae
Journal name Journal of Phytopathology   Check publisher's open access policy
ISSN 0931-1785
0031-9481
1439-0434
Publication date 2003
Sub-type Article (original research)
DOI 10.1046/j.1439-0434.2003.00737.x
Volume 151
Issue 7-8
Start page 389
End page 394
Total pages 6
Place of publication Berlin
Publisher Blackwell Verlag
Language eng
Subject 0607 Plant Biology
Formatted abstract Black shank caused by Phytophthora nicotianae is a serious root and stem disease of cultivated tobacco worldwide. In this study, a rapid seedling-based screening technique was developed to evaluate tobacco cultivars for resistance to P. nicotianae . This technique was compared with a stem inoculation technique commonly used on adult plants. The overall aim was to develop an improved and rapid technique that could also be used to characterize races of P. nicotianae. A strong positive correlation was found between results of the seedling assay and adult plant trials for all isolates and cultivars tested. Furthermore, P. nicotianae isolates could be characterized as race 0 or 1 using both stem inoculation and the rapid seedling assay. This assay will facilitate rapid and large-scale screening for black shank resistance and therefore has the potential to reduce yield losses because of this disease in the field.
Keyword Plant Sciences
Nicotianae spp.
black shank
races
tobacco
Parasitica Var Nicotianae
Var. Nicotianae
Metalaxyl
Races
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Unknown

Document type: Journal Article
Sub-type: Article (original research)
Collections: Excellence in Research Australia (ERA) - Collection
School of Biological Sciences Publications
 
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Created: Wed, 19 Sep 2007, 17:59:25 EST