Root-lesion nematodes ( Pratylenchus thornei and P. neglectus ): a review of recent progress in managing a significant pest of grain crops in northern Australia
Two species of root-lesion nematode (predominantly Pratylenchus thornei but also P. neglectus ) are widespread pathogens of wheat and other crops in Australia’s northern grain belt, a subtropical region with deep, fertile clay soils and a summer-dominant rainfall pattern. Losses in grain yield from...
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Published in | Australasian plant pathology Vol. 37; no. 3; pp. 235 - 242 |
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Main Authors | , , , |
Format | Journal Article |
Language | English |
Published |
Dordrecht
Collingwood, Victoria: CSIRO Publishing
01.01.2008
Springer Netherlands Springer Nature B.V |
Subjects | |
Online Access | Get full text |
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Summary: | Two species of root-lesion nematode (predominantly Pratylenchus thornei but also P. neglectus ) are widespread pathogens of wheat and other crops in Australia’s northern grain belt, a subtropical region with deep, fertile clay soils and a summer-dominant rainfall pattern. Losses in grain yield from P. thornei can be as high as 70% for intolerant wheat cultivars. This review focuses on research which has led to the development of effective integrated management programs for these nematodes. It highlights the importance of correct identification in managing Pratylenchus species, reviews the plant breeding work done in developing tolerant and resistant cultivars, outlines the methods used to screen for tolerance and resistance, and discusses how planned crop sequencing with tolerant and partially resistant wheat cultivars, together with crops such as sorghum, sunflower, millets and canaryseed, can be used to reduce nematode populations and limit crop damage. The declining levels of soil organic matter in cropped soils are also discussed with reference to their effect on soil health and biological suppression of root-lesion nematodes. |
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Bibliography: | Australasian Plant Pathology publishes new and significant research in all fields of plant pathology. Distribution and readership of the journal is worldwide, but emphasis is placed on strengthening its role as the major publishing outlet in the Australasian region. Australasia is interpreted in the broadest sense to include not only Australia, New Zealand and Papua New Guinea, but also the Indian Ocean, Pacific and Asian regions http://dx.doi.org/10.1071/AP08021 ObjectType-Article-2 SourceType-Scholarly Journals-1 ObjectType-Feature-1 content type line 23 |
ISSN: | 0815-3191 1448-6032 |
DOI: | 10.1071/AP08021 |