Rhizome rot of ginger (Zingiber officinale) caused by Pythium myriotylum in Fiji and Australia

Stirling, GR, Turaganivalu, U, Stirling, AM, Lomavatu, MF and Smith, MK (2009) Rhizome rot of ginger (Zingiber officinale) caused by Pythium myriotylum in Fiji and Australia. Australasian Plant Pathology, 38 5: 453-460. doi:10.1071/AP09023


Author Stirling, GR
Turaganivalu, U
Stirling, AM
Lomavatu, MF
Smith, MK
Title Rhizome rot of ginger (Zingiber officinale) caused by Pythium myriotylum in Fiji and Australia
Journal name Australasian Plant Pathology   Check publisher's open access policy
ISSN 0815-3191
Publication date 2009
Year available 2009
Sub-type Article (original research)
DOI 10.1071/AP09023
Volume 38
Issue 5
Start page 453
End page 460
Total pages 8
Editor Philip O'Brien
Keith Harrower
Place of publication Australia
Publisher C S I R O Publishing
Collection year 2010
Language eng
Subject C1
8299 Other Plant Production and Plant Primary Products
060704 Plant Pathology
Abstract Observations on the etiology of rhizome rot of ginger are presented for Fiji and Australia. In Fiji, the disease generally develops during hot, wet conditions in March and April, and often causes losses of more than 50% in seed crops. In Australia, the disease was observed for the first time during the wet summer of 2007–08, almost totally destroying the immature ginger crop in one field and causing 8–30% losses in other fields. Measurements taken when soils were saturated due to almost constant rainfall indicated that many plants died within 3 weeks of showing the first signs of yellowing, with the disease spreading down slopes at rates of up to 4.5 m/day. Pathogenicity tests indicated that the disease was caused by Pythium myriotylum and that the pathogen was capable of destroying ginger rhizomes in 1–2 weeks in saturated soils at temperatures of 26–30°C. The role of the environment in exacerbating the disease is considered and implications for management are discussed
Keyword disease suppression
Erwinia
farming systems
Fusarium
internal transcribed spacer sequence analysis
Meloidogyne
Radopholus similis
soil health
Q-Index Code C1
Q-Index Status Confirmed Code

Document type: Journal Article
Sub-type: Article (original research)
Collections: 2010 Higher Education Research Data Collection
School of Biological Sciences Publications
 
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Created: Thu, 03 Sep 2009, 07:43:00 EST by Mr Andrew Martlew on behalf of School of Biological Sciences