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Tests of transmission of cynodon white leaf phytoplasma to sugarcane and maize in northern Australia

Blanche, KR, Tran-Nguyen, L and Gibb, KS (2003). Tests of transmission of cynodon white leaf phytoplasma to sugarcane and maize in northern Australia. Australian Journal of Agricultural Research,54(4):423-427.

Document type: Journal Article
Citation counts: Scopus Citation Count Cited 1 times in Scopus Article | Citations

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Title Tests of transmission of cynodon white leaf phytoplasma to sugarcane and maize in northern Australia
Author Blanche, KR
Tran-Nguyen, L
Gibb, KS
Journal Name Australian Journal of Agricultural Research
Publication Date 2003
Volume Number 54
Issue Number 4
ISSN 0004-9409   (check CDU catalogue open catalogue search in new window)
Scopus ID 2-s2.0-0038331877
Start Page 423
End Page 427
Total Pages 5
Place of Publication Collingwood, Victoria, Australia
Publisher CSIRO Publishing
Field of Research 0607 - Plant Biology
AGRICULTURAL AND VETERINARY SCIENCES
HERDC Category C1 - Journal Article (DEST)
Abstract Cynodon white leaf disease is associated with cynodon white leaf phytoplasma in Cynodon dactylon growing in Darwin, Northern Territory. In order to effectively assess and manage the risk to agricultural crops posed by this phytoplasma, it is necessary to establish whether there is an insect species capable of transmitting it from C. dactylon to grasses like Saccharum spp. hybrids and Zea mays. We used field and cage trials to investigate transmission of cynodon white leaf phytoplasma in these grasses. No transmission of the phytoplasma occurred in any of the trials, even to C. dactylon, the known host, and the phytoplasma did not persist in the potential leafhopper vector, Chiasmus varicolor. These results suggest that C. varicolor is not a vector of cynodon white leaf phytoplasma and that some requirement for successful transmission was not met in our field trials. We do not have sufficient information to determine whether transmission to Saccharum spp. hybrids or Z. mays is possible. Our study demonstrates the techniques that can be applied to this problem and provides a starting point for further investigation using different transmission conditions and insect species.
Keywords chiasmus varicolor
couch grass
cynodon dactylon
leafhopper
saccharum spp. hybrids
leafhopper homoptera
corn leafhopper
disease
differentiation
cicadellidae
diversity
DOI http://dx.doi.org/10.1071/AR02155   (check subscription with CDU E-Gateway service for CDU Staff and Students  check subscription with CDU E-Gateway in new window)
 
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