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The incidence, distribution and expression of Australian grapevine yellows, restricted growth and late season leaf curl diseases in selected Australian vineyards

Constable, FE, Jones, J, Gibb, KS, Chalmers, YM and Symons, RH (2004). The incidence, distribution and expression of Australian grapevine yellows, restricted growth and late season leaf curl diseases in selected Australian vineyards. Annals of Applied Biology,144(2):205-218.

Document type: Journal Article
Citation counts: Scopus Citation Count Cited 3 times in Scopus Article | Citations

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Title The incidence, distribution and expression of Australian grapevine yellows, restricted growth and late season leaf curl diseases in selected Australian vineyards
Author Constable, FE
Jones, J
Gibb, KS
Chalmers, YM
Symons, RH
Journal Name Annals of Applied Biology
Publication Date 2004
Volume Number 144
Issue Number 2
ISSN 0003-4746   (check CDU catalogue open catalogue search in new window)
Scopus ID 2-s2.0-28244487198
Start Page 205
End Page 218
Total Pages 14
Place of Publication Oxford
Publisher Blackwell Publishing
Field of Research 0605 - Microbiology
AGRICULTURAL AND VETERINARY SCIENCES
HERDC Category C1 - Journal Article (DEST)
Abstract Surveys were conducted in four Chardonnay vineyards for 3 to 6 years and one Shiraz vineyard for 3 years to determine the yearly percentage of grapevines affected by Australian grapevine yellows disease (AGYd), restricted growth disease (RGd) and late season leaf curl disease (LSLCd). In each of the Chardonnay vineyards in each year, all three diseases were characterised by remission of disease in some grapevines, recurrence of disease in other grapevines and new observations of disease in previously unaffected grapevines. The pattern of temporal incidence of each disease was different between vineyards for the survey period. Although Koch's postulates have not been fulfilled, phytoplasmas are considered to be the most likely cause of AGYd. While some grapevines exhibited a combination ofAGYd and RGd orAGYd and LSLCd, both RGd and LSLCd can occur independently of AGYd. Statistical analyses using log-linear models also indicated that RGd and LSLCd were not always associated with AGYd. Thus, it is possible that phytoplasmas are not the cause of RGd or LSLCd and their association is coincidental. Expression of AGYd in Shiraz grapevines occurred later in the season compared to Chardonnay. Very little recurrence of AGYd was observed in the Shiraz grapevines indicating that the variety Shiraz responds differently to phytoplasma infections, assuming that AGYd in Shiraz is a phytoplasma caused disease. RGd and LSLCd were not observed on any grapevines in the Shiraz vineyard.
DOI http://dx.doi.org/10.1111/j.1744-7348.2004.tb00335.x   (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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