Resistance of Wheat Genotypes to Root-Lesion Nematode (Pratylenchus thornei) Can be Used to Predict Final Nematode Population Densities, Crop Greenness, and Grain Yield in the Field

Article

Thompson, John P., Sheedy, Jason G. and Robinson, Neil A.. 2020. "Resistance of Wheat Genotypes to Root-Lesion Nematode (Pratylenchus thornei) Can be Used to Predict Final Nematode Population Densities, Crop Greenness, and Grain Yield in the Field." Phytopathology: International Journal of the American Phytopathological Society. 110 (2), pp. 505-516. https://doi.org/10.1094/PHYTO-06-0203-R
Article Title

Resistance of Wheat Genotypes to Root-Lesion Nematode (Pratylenchus thornei) Can be Used to Predict Final Nematode Population Densities, Crop Greenness, and Grain Yield in the Field

ERA Journal ID2639
Article CategoryArticle
AuthorsThompson, John P. (Author), Sheedy, Jason G. (Author) and Robinson, Neil A. (Author)
Journal TitlePhytopathology: International Journal of the American Phytopathological Society
Journal Citation110 (2), pp. 505-516
Number of Pages12
Year2020
PublisherAmerican Phytopathological Society
Place of PublicationUnited States
ISSN0031-949X
1943-7684
Digital Object Identifier (DOI)https://doi.org/10.1094/PHYTO-06-0203-R
Web Address (URL)https://apsjournals.apsnet.org/doi/10.1094/PHYTO-06-19-0203-R
Abstract

The root-lesion nematode Pratylenchus thornei is a major pathogen of wheat (Triticum aestivum) in many regions globally.. Resistance of wheat genotypes to P. thornei can be determined from final nematode population densities in glasshouse experiments, but combining results across multiple experiments presents challenges. Here we use a factor analytic method for multi-experiment analysis of final population densities of P. thornei for 1096 unique wheat genotypes in 22 glasshouse experiments. The resistance to P. thornei of 18 the genotypes was effectively represented by a two factor model with rotation of the axes to a principal components solution. Principal axes 1 and 2 (PA1 and PA2) respectively accounted for 79% and 11 % of the genetic variance over all experiments. Final population densities of P. thornei as empirical best linear unbiased predictors (PA(1+2)-eBLUPs)) from the 22 combined glasshouse experiments were highly predictive (P<0.001) of final nematode population densities in the soil profile, of crop canopy greenness (NDVI) and of grain yield of wheat genotypes in P. thornei infested fields in the Australian subtropical grain region. Nine categories of resistance ratings for wheat genotypes from resistant to very susceptible6 were based on subdivision of the range of PA(1+2)-eBLUPs for use in growers’ sowing guides. Nine genotypes were nominated as references for future resistance experiments. Most (62%) Australian wheat genotypes were in the most susceptible three categories (S, S–VS and VS). However, resistant germplasm characterized in this study could be used in plant breeding to considerably improve the overall resistance of Australian wheat crops.

Keywordsroot-lesion nematodes; wheat genotype resistance; MET analysis; nematode population densities predictions; wheat yield prediction
ANZSRC Field of Research 2020300409. Crop and pasture protection (incl. pests, diseases and weeds)
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File reproduced in accordance with the copyright policy of the publisher/author.

Byline AffiliationsCentre for Crop Health
Institution of OriginUniversity of Southern Queensland
Funding source
NIH
Grant ID
GRDC USQ00019
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Thompson, J. P., Clewett, T. G. and Fiske, M. L.. 2013. "Field inoculation with arbuscular-mycorrhizal fungi overcomes phosphorus and zinc deficiencies of linseed (Linum usitatissimum) in a vertisol subject to long-fallow disorder." Plant and Soil: international journal on plant-soil relationships. 371 (1-2), pp. 117-137. https://doi.org/10.1007/s11104-013-1679-z
QTL mapping of multiple foliar disease and root-lesion nematode resistances in wheat
Zwart, R. S., Thompson, J. P., Milgate, A. W., Bansal, U. K., Williamson, P. M., Raman, H. and Bariana, H. S.. 2010. "QTL mapping of multiple foliar disease and root-lesion nematode resistances in wheat." Molecular Breeding: new strategies in plant improvement. 26 (1), pp. 107-124. https://doi.org/10.1007/s11032-009-9381-9
Inheritance of resistance to root-lesion nematodes (Pratylenchus thornei and P. neglectus) in five doubled-haploid populations of wheat
Thompson, John P., Zwart, Rebecca S. and Butler, David. 2012. "Inheritance of resistance to root-lesion nematodes (Pratylenchus thornei and P. neglectus) in five doubled-haploid populations of wheat." Euphytica: international journal on plant breeding. 188 (2), pp. 209-219. https://doi.org/10.1007/s10681-012-0689-x
Crop rotation for the management of root-lesion nematodes in the northern grain region of Australia
Owen, K., Clewett, T. and Thompson, J.. 2008. "Crop rotation for the management of root-lesion nematodes in the northern grain region of Australia." Hodda, Mike (ed.) 5th International Congress of Nematology (5ICN 2008): Nematodes Down Under. Brisbane, Australia 13 - 18 Jul 2008 Canberra, Australia.
Survey for root-lesion and stunt nematodes in the northern Australian grain region
Thompson, J. P., Clewett, T. G., Reen, R. A., Sheedy, J. G. and O'Reilly, M. M.. 2008. "Survey for root-lesion and stunt nematodes in the northern Australian grain region." Hodda, Mike (ed.) 5th International Congress of Nematology (5ICN 2008): Nematodes Down Under. Brisbane, Australia 13 - 18 Jul 2008 Canberra, Australia.
Crop rotation to replace nematicide treatments for assessing chickpea varietal tolerance to Pratylenchus thornei
Reen, R. A., Clewett, T. G. and Thompson, J. P.. 2008. "Crop rotation to replace nematicide treatments for assessing chickpea varietal tolerance to Pratylenchus thornei." Hodda, Mike (ed.) 5th International Congress of Nematology (5ICN 2008): Nematodes Down Under. Brisbane, Australia 13 - 18 Jul 2008 Canberra, Australia.
Distribution, virulence and genetic management of root lesion nematodes in the Pacific Northwest USA
Sheedy, J. G., Smiley, R. W., Thompson, A. L., Easley, S. A. and Yan, G.. 2008. "Distribution, virulence and genetic management of root lesion nematodes in the Pacific Northwest USA." Hodda, Mike (ed.) 5th International Congress of Nematology (5ICN 2008): Nematodes Down Under. Brisbane, Australia 13 - 18 Jul 2008 Canberra, Australia.
Evaluating wheat for tolerance and resistance to root-lesion nematodes
Thompson, J. P., Clewett, T. G., Sheedy, J. G. and Seymour, N. P.. 2008. "Evaluating wheat for tolerance and resistance to root-lesion nematodes." Hodda, Mike (ed.) 5th International Congress of Nematology (5ICN 2008): Nematodes Down Under. Brisbane, Australia 13 - 18 Jul 2008 Canberra, Australia.
Resistance to the root-lesion nematode Pratylenchus thornei in wheat landraces and cultivars from the West Asia and North Africa (WANA) region
Thompson, J. P., O'Reilly, M. M. and Clewett, T. G.. 2009. "Resistance to the root-lesion nematode Pratylenchus thornei in wheat landraces and cultivars from the West Asia and North Africa (WANA) region." Crop and Pasture Science. 60 (12), pp. 1209-1217. https://doi.org/10.1071/CP09159
Root-lesion nematodes (Pratylenchus thornei and P. neglectus): a review of recent progress in managing a significant pest of grain crops in northern Australia
Thompson, J. P., Owen, K. J., Stirling, G. R. and Bell, M. J.. 2008. "Root-lesion nematodes (Pratylenchus thornei and P. neglectus): a review of recent progress in managing a significant pest of grain crops in northern Australia." Australasian Plant Pathology. 37 (3), pp. 235-242. https://doi.org/10.1071/AP08021
Inheritance of resistance to root-lesion nematode (Pratylenchus thornei) in wheat landraces and cultivars from the West Asia and North Africa (WANA) region
Thompson, J. P. and Seymour, N. P.. 2011. "Inheritance of resistance to root-lesion nematode (Pratylenchus thornei) in wheat landraces and cultivars from the West Asia and North Africa (WANA) region." Crop and Pasture Science. 62 (1), pp. 82-93. https://doi.org/10.1071/CP10309
Stunted cotton (Gossypium hirsutum L.) fully recovers biomass and yield of seed cotton after delayed root inoculation with spores of an arbuscular mycorrhizal fungus (Glomus mosseae)
Thompson, J. P., Seymour, N. P. and Clewett, T. G.. 2012. "Stunted cotton (Gossypium hirsutum L.) fully recovers biomass and yield of seed cotton after delayed root inoculation with spores of an arbuscular mycorrhizal fungus (Glomus mosseae)." Australasian Plant Pathology. 41 (4), pp. 431-437. https://doi.org/10.1007/s13313-012-0137-3
Root-lesion nematode (Pratylenchus thornei) reduces nutrient response, biomass and yield of wheat in sorghum-fallow-wheat cropping systems in a subtropical environment
Thompson, J. P., Mackenzie, J. and Sheedy, G. H.. 2012. "Root-lesion nematode (Pratylenchus thornei) reduces nutrient response, biomass and yield of wheat in sorghum-fallow-wheat cropping systems in a subtropical environment." Field Crops Research. 137, pp. 126-140. https://doi.org/10.1016/j.fcr.2012.08.011
Pratylenchus thornei populations reduce water uptake in intolerant wheat cultivars
Whish, J. P. M., Thompson, J. P., Clewett, T. G., Lawrence, J. L. and Wood, J.. 2014. "Pratylenchus thornei populations reduce water uptake in intolerant wheat cultivars." Field Crops Research. 161, pp. 1-10. https://doi.org/10.1016/j.fcr.2014.02.002
Pre-cropping with canola decreased Pratylenchus thornei populations, arbuscular mycorrhizal fungi, and yield of wheat
Owen, K. J., Clewett, T. G. and Thompson, J. P.. 2010. "Pre-cropping with canola decreased Pratylenchus thornei populations, arbuscular mycorrhizal fungi, and yield of wheat." Crop and Pasture Science. 61 (5), pp. 399-410. https://doi.org/10.1071/CP09345
Detection of Polymyxa graminis in a barley crop in Australia
Thompson, J. P., Clewett, T. G., Jennings, R. E., Sheedy, J. G., Owen, K. J. and Persley, D. M.. 2011. "Detection of Polymyxa graminis in a barley crop in Australia." Australasian Plant Pathology. 40 (1), pp. 66-75. https://doi.org/10.1007/s13313-010-0015-9
Detection and discrimination of Pratylenchus neglectus and P. thornei in DNA extracts from soil
Yan, Guiping, Smiley, Richard W., Okubara, Patricia A., Skantar, Andrea, Easley, Sandra A., Sheedy, Jason G. and Thompson, Alison L.. 2008. "Detection and discrimination of Pratylenchus neglectus and P. thornei in DNA extracts from soil." Plant Disease: an international journal of applied plant pathology. 92 (11), pp. 1480-1487. https://doi.org/10.1094/PDIS-92-11-1480
Hybridisation of Australian chickpea cultivars with wild Cicer spp. increases resistance to root-lesion nematodes (Pratylenchus thornei and P. neglectus)
Thompson, John P., Reen, Roslyn A., Clewett, Timothy G., Sheedy, Jason G., Kelly, Alison M., Gogel, Beverley J. and Knights, Edward J.. 2011. "Hybridisation of Australian chickpea cultivars with wild Cicer spp. increases resistance to root-lesion nematodes (Pratylenchus thornei and P. neglectus)." Australasian Plant Pathology. 40 (6), pp. 601-611. https://doi.org/10.1007/s13313-011-0089-z
First record of stubby-root nematode (Paratrichodorus porosus) associated with barley in Australia
Sheedy, J. G., Clewett, T. G., Hodda, M. and Thompson, J. P.. 2010. "First record of stubby-root nematode (Paratrichodorus porosus) associated with barley in Australia." Australasian Plant Disease Notes. 5 (1), pp. 66-69. https://doi.org/10.1071/DN10024
Vertical distribution of Pratylenchus spp. in silt loam soil and Pacific Northwest dryland crops
Smiley, Richard W., Sheedy, Jason G. and Easley, Sandra A.. 2008. "Vertical distribution of Pratylenchus spp. in silt loam soil and Pacific Northwest dryland crops." Plant Disease: an international journal of applied plant pathology. 92 (12), pp. 1662-1668. https://doi.org/10.1094/PDIS-92-12-1662
Occurrence of root-lesion nematodes (Pratylenchus thornei and P. neglectus) and stunt nematode (Merlinius brevidens) in the northern grain region of Australia
Thompson, J. P., Clewett, T. G., Sheedy, J. G., Reen, R. A., O'Reilly, M. M. and Bell, K. L.. 2010. "Occurrence of root-lesion nematodes (Pratylenchus thornei and P. neglectus) and stunt nematode (Merlinius brevidens) in the northern grain region of Australia." Australasian Plant Pathology. 39 (3), pp. 254-264. https://doi.org/10.1071/AP09094
Resistance to the root-lesion nematode Pratylenchus thornei of Iranian landrace wheat
Sheedy, J. G. and Thompson, J. P.. 2009. "Resistance to the root-lesion nematode Pratylenchus thornei of Iranian landrace wheat." Australasian Plant Pathology. 38 (5), pp. 478-489. https://doi.org/10.1071/AP09030
Diploid and tetraploid progenitors of wheat are valuable sources of resistance to the root lesion nematode Pratylenchus thornei
Sheedy, J. G., Thompson, J. P. and Kelly, A.. 2012. "Diploid and tetraploid progenitors of wheat are valuable sources of resistance to the root lesion nematode Pratylenchus thornei." Euphytica: international journal on plant breeding. 186 (2), pp. 377-391. https://doi.org/10.1007/s10681-011-0617-5
Mapping quantitative trait loci for resistance to Pratylenchus thornei from synthetic hexaploid wheat in the International Triticeae Mapping Initiative (ITMI) population
Zwart, R. S., Thompson, J. P., Sheedy, J. G. and Nelson, J.. 2006. "Mapping quantitative trait loci for resistance to Pratylenchus thornei from synthetic hexaploid wheat in the International Triticeae Mapping Initiative (ITMI) population." Australian Journal of Agricultural Research. 57 (5), pp. 525-530. https://doi.org/10.1071/AR05177
Identification of quantitative trait loci for resistance to two species of root-lesion nematode (Pratylenchus thornei and P. neglectus) in wheat
Zwart, R. S., Thompson, J. P. and Godwin, I. D.. 2005. "Identification of quantitative trait loci for resistance to two species of root-lesion nematode (Pratylenchus thornei and P. neglectus) in wheat ." Australian Journal of Agricultural Research. 56 (4), pp. 345-352. https://doi.org/10.1071/AR04223
Genetic analysis of resistance to root-lesion nematode (Pratylenchusthornei) in wheat
Zwart, R. S., Thompson, J. P. and Godwin, I. D.. 2004. "Genetic analysis of resistance to root-lesion nematode (Pratylenchusthornei) in wheat." Plant Breeding. 123 (3), pp. 209-212. https://doi.org/10.1111/j.1439-0523.2004.00986.x
Phytotoxicity of fosetyl Al and phosphonic acid to maize during production of vesicular-arbuscular mycorrhizal inoculum
Seymour, N. P., Thompson, J. P. and Fiske M. L.. 1994. "Phytotoxicity of fosetyl Al and phosphonic acid to maize during production of vesicular-arbuscular mycorrhizal inoculum ." Plant Disease: an international journal of applied plant pathology. 78 (5), pp. 441-446. https://doi.org/10.1094/PD-78-0441