Variations in soil population of Fusarium oxysporum f. sp. vasinfectum as influenced by fertiliser application and growth of different crops

Wang, B.; Dale, M. L.; Kochman, J. K.; Allen, Stephen; Obst, N. R.

doi:10.1071/ap99029

Cited by 13 publications

(6 citation statements)

References 15 publications

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“…melonis-on rockmelon and honeydew in South Australia (Cook and Dube 1989) (Davis et al 1996;Wang et al 1999). The populations present in Australia are unique and belong to VCGs not found elsewhere in the world.…”

Section: Fusarium Oxysporum Formae Speciales Recorded In Australiamentioning

confidence: 98%

“…The populations present in Australia are unique and belong to VCGs not found elsewhere in the world. These populations are identified as VCGs 11 and 12 of this forma specialis (Wang et al 1999). The VCGs of this forma specialis that are found in other parts of the world do not occur in Australia and are of quarantine importance, while the Australian VCGs can be a block to export of Australian cotton and cottonseed products.…”

Section: Fusarium Oxysporum Formae Speciales Recorded In Australiamentioning

confidence: 99%

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Fusarium species associated with plants in Australia

et al. 2010

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Section: Fusarium Oxysporum Formae Speciales Recorded In Australiamentioning

confidence: 98%

Section: Fusarium Oxysporum Formae Speciales Recorded In Australiamentioning

confidence: 99%

Fusarium species associated with plants in Australia

et al. 2010

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“…1997). Previous studies have also demonstrated that the composition of F. oxysporum populations is affected by the application of certain fertilizers (Wang et al. 1999), and it is possible that lineage E isolates may have a fitness advantage under cultivated conditions, i.e.…”

Section: Discussionmentioning

confidence: 99%

“…Wheat has been grown in these fields in rotation with cotton and the cultivation of wheat can select for certain fungal genotypes ( Edel et al 1997 ). Previous studies have also demonstrated that the composition of F. oxysporum populations is affected by the application of certain fertilizers ( Wang et al 1999 ), and it is possible that lineage E isolates may have a fitness advantage under cultivated conditions, i.e. the application of fertilizers and the incorporation of crop debris.…”

Section: Discussionmentioning

confidence: 99%

Local origin of two vegetative compatibility groups ofFusarium oxysporumf. sp.vasinfectumin Australia

Wang

Brubaker

Summerell

et al. 2010

Evolutionary Applications

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Pathogenicity and genetic diversity of Fusarium oxysporum from geographically widespread native Gossypium populations, including a cotton growing area believed to be the center of origin of VCG 01111 and VCG 01112 of F. oxysporum f. sp. vasinfectum (Fov) in Australia, was determined using glasshouse bioassays and AFLPs. Five lineages (A–E) were identified among 856 isolates. Of these, 12% were strongly pathogenic on cotton, 10% were weakly pathogenic and designated wild Fov, while 78% were nonpathogenic. In contrast to the occurrence of pathogenic isolates in all five lineages in soils associated with wild Gossypium, in cotton growing areas only three lineages (A, B, E) occurred and all pathogenic isolates belonged to two subgroups in lineage A. One of these contained VCG 01111 isolates while the other contained VCG 01112 isolates. Sequence analyses of translation elongation factor-1α, mitochondrial small subunit rDNA, nitrate reductase and phosphate permease confirmed that Australian Fov isolates were more closely related to lineage A isolates of native F. oxysporum than to Fov races 1–8 found overseas. These results strongly support a local evolutionary origin for Fov in Australian cotton growing regions.

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“…Later, Knox et al (2008) demonstrated that genetically modified cotton plants expressing insecticidal traits could form symbioses with AMF just as effectively as conventional cotton lines. Soil conditions promoting the activity of cotton plant pathogens have been investigated from time-to-time as outbreaks of disease have occurred, with root browning associated with a growth disorder (Nehl et al 1996), fusarium wilt (Wang et al 1999a(Wang et al , 1999b, and black root rot (Hulugalle et al 2004) being three prominent examples. Other research groups have identified and characterised populations of plant parasitic nematodes (Knox et al 2006), archaea (Midgley et al 2007a), and basidiomycetes (Midgley et al 2007b) that inhabit Vertosols under cotton production systems in eastern Australia.…”

Section: Number Of Soil Carbon and Biota Papersmentioning

confidence: 99%

A review of the soil science research legacy of the triumvirate of cotton CRC

Cattle

Field

2013

Crop Pasture Sci.

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For nearly two decades (1994–2012) a series of three consecutive Cooperative Research Centres (CRC) dealing with cotton production provided the impetus and financial support for a substantial body of soil science research in eastern and northern Australia. Focusing on the most commonly utilised soil for irrigated crop production, the Vertosol, CRC-affiliated soil researchers undertook detailed soil inventories of cotton-growing valleys in New South Wales, and tackled a range of applied soil research questions that faced the entire Australian cotton industry. Across the broad categories of soil mapping and characterisation, soil physical condition, salinity and sodicity, soil chemical fertility, and soil carbon and biota, some 120 CRC-affiliated research papers were published in peer-reviewed journals during the years of the CRC. Findings from this body of research were fed back to the industry through conferences, extension workshops and materials, and to a lesser extent, the peer-reviewed publications. In certain cases, underpinning basic research was carried out concurrently with the more applied research, meaning that the cotton CRC were effectively supporting advances in the discipline of soil science, as well as in sustainable cotton production. A feature of the soil research portfolio over the span of the three cotton CRC was that priorities shifted according to the interplay of three factors; the natural maturation of research topics and the concomitant evolution of cotton farming systems, the rising importance of environmental implications of agricultural land use, and the emergence of carbon as a national research priority. Furthermore, the commitment of the CRC to education resulted in the involvement of undergraduate and postgraduate university students in all aspects of the soil research effort. A legacy of the triumvirate of cotton CRC is a wide-ranging body of both applied and basic knowledge regarding the physical, chemical and biological attributes of Australian Vertosols used for irrigated agriculture.

show abstract

Variations in soil population of Fusarium oxysporum f. sp. vasinfectum as influenced by fertiliser application and growth of different crops

Cited by 13 publications

References 15 publications

Fusarium species associated with plants in Australia

Fusarium species associated with plants in Australia

Local origin of two vegetative compatibility groups ofFusarium oxysporumf. sp.vasinfectumin Australia

A review of the soil science research legacy of the triumvirate of cotton CRC

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