Inoculation with vesicular-arbuscular mycorrhizal fungi from cropped soil overcomes long-fallow disorder of linseed (Linum usitatissimum L.) by improving P and Zn uptake

Thompson, JP

doi:10.1016/0038-0717(94)90135-x

Cited by 64 publications

(28 citation statements)

References 14 publications

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“…Long lasting fallow leads to a decrease in plant biodiversity and it has been shown that "long fallow disorder" decreases the number of mycorrhizal propagules in the soil and the extend of AM colonization of plants (Thompson, 1994). Our results suggest that mycorrhizal soil infectivity may benefit from a short period of fallowing if the fallow is protected against grazing.…”

Section: Discussionmentioning

confidence: 63%

The mycorrhizal soil infectivity and arbuscular mycorrhizal fungal spore communities in soils of different aged fallows in Senegal

Duponnois

Plenchette

Thioulouse

et al. 2001

Applied Soil Ecology

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This work was carried out to determine the influence of the duration of fallow and of physico-chemical components of soils on the distribution of endomycorrhizal fungal spores and the mycorrhizal soil infectivity. The mycorrhization of indigenous plants from the fallows was examined and it was concluded that, except for Cassia obtusifolia, fungal colonization was poorly developed. No correlation was established between spore populations and duration of fallow or between grazed and fenced areas. The relationships between abundance of mycorrhizal spores and the physico-chemical characteristics of the soils were markedly variable among species of mycorrhizal fungi. The results did not provide evidence of a beneficial effect of increased length of fallowing on mycorrhizal soil infectivity, but they did demonstrated the positive effect of preventing grazing on the re-establishment of vegetation during the fallow period.

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Section: Discussionmentioning

confidence: 63%

The mycorrhizal soil infectivity and arbuscular mycorrhizal fungal spore communities in soils of different aged fallows in Senegal

Duponnois

Plenchette

Thioulouse

et al. 2001

Applied Soil Ecology

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“…Peck et al 1993;Thompson 1994;Burgess et al 1996;Wildermuth et al 1997;Thompson et al 1999;Kirkegaard et al 2003). However, less work has been done to identify biota that can potentially moderate the impact of pathogens on crops in the farming system (e.g.…”

Section: Introductionmentioning

confidence: 99%

Impacts of management on soil biota in Vertosols supporting the broadacre grains industry in northern Australia

Bell¹,

Seymour²,

Stirling³

et al. 2006

Soil Res.

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Abstract. The grain-producing regions of northern New South Wales and southern and central Queensland are characterised by cropping systems that are strongly dependent on stored soil moisture rather than in-crop rainfall, and tillage systems that are increasingly reliant on zero or minimum tillage. Crops are grown relatively infrequently and crop rotations are dominated by winter and summer grains (wheat [Triticum aestivum L.] and sorghum [Sorghum bicolor L. Moench], respectively), with smaller areas of grain legumes and cotton (Gossypium hirsutum L.). The grey, black, and brown Vertosols represent the more productive soils in the region under rainfed cropping, and are the focus of work reported in this study.Soil samples were collected from surface soils (0-0.30 m) across the region, utilising sites of long term tillage and residue management studies, fertiliser trials, and commercial fields to enable an assessment of the impact of various management practices on soil biological properties. A number of biological and biochemical parameters were measured (microbial biomass C, total organic C and labile C fractions, total C and N, microbial activity using FDA, cellulase activity, free living nematodes, total DNA and fatty acid profiles), and the response of wheat, sorghum, and chickpea (Cicer arietinum L.) to steam pasteurisation was assessed in glasshouse bioassays. The objective was to obtain an indication of the biological status of grain-growing soils and assess the impact of biological constraints in soils from different regions and management systems.Results showed that biological activity in cropped soils was consistently low relative to other land uses in northern Australia, with management practices like stubble retention and adoption of zero tillage producing relatively small benefits. In the case of zero tillage, many of these benefits were confined to the top 0.05 m of the soil profile. Fallowing to recharge soil moisture reserves significantly reduced all soil biological parameters, while pasture leys produced consistent positive benefits. Breaking a long fallow with a short duration grain or brown manure crop significantly moderated the negative effects of a long bare fallow on soil biology. Use of inorganic N and P fertilisers produced minimal effects on soil biota, with the exception of one component of the free-living nematode community (the Dorylaimida).The glasshouse bioassays provided consistent evidence that soil biota were constraining growth of both grain crops (sorghum and wheat) but not the grain legume (chickpea). The biota associated with this constraint have not yet been identified, but effects were consistent across the region and were not associated with the presence of any known pathogen or correlated with any of the measured soil biological or biochemical properties. Further work to confirm the existence and significance of these constraints under field conditions is needed.None of the measured biological or biochemical parameters consistently changed in response to management prac...

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“…Because disturbed or nonvegetated sites are likely to have severely reduced populations of arbuscular mycorrhizal fungi (e.g., Moorman and Reeves 1979, Read and Birch 1988, Thompson 1994, it may be useful to add arbuscular mycorrhizal fungi to sites when O. anthyllidifolia or other highly dependent species are planted in such areas (e.g., Janos 1980b, Miller 1985, St. John 1999, Korb et al 2004). Other native dry-forest species (e.g., Acacia koa Gray, Sophora chrysophylla (Salisb.)…”

Section: Discussionmentioning

confidence: 99%

Arbuscular Mycorrhizae Effects on Growth of Two Hawaiian Species: Indigenous Osteomeles anthyllidifolia (Rosaceae) and Invasive Psidium cattleianum (Myrtaceae)

Koske¹,

Gemma²

2006

Pacific Science

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Two important plant species of Hawai'i, the indigenous Osteomeles anthyllidifolia (Sm.) Lindl., a component of Hawai'i's most endangered habitat, and the highly invasive Psidium cattleianum Sabine were grown with or without arbuscular mycorrhizal fungi in a soilless mix at different soil-solution phosphorus (P) levels. At P levels similar to those in the field (0.007 mg P/liter), shoot biomass of inoculated plants of O. anthyllidifolia was 189% greater than that of controls, and that of P. cattleianum was 93% greater. Root weight of O. anthyllidifolia and leaf-tissue P of both species also were significantly higher in inoculated plants. At a higher concentration of soil-solution P (0.020 mg P/liter), inoculated plants of O. anthyllidifolia had 176% more biomass than controls, and those of P. cattleianum had 49% more. In a growth medium with soilsolution P equivalent to that of good agricultural soil (0.200 mg P/liter), inoculated plants of O. anthyllidifolia were 101% larger than controls. Results suggest that presence of arbuscular mycorrhizal fungi is of vital importance to establishment of O. anthyllidifolia in Hawaiian soils and that their absence may limit P. cattleianum invasion of sites that are highly deficient in available P.

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Inoculation with vesicular-arbuscular mycorrhizal fungi from cropped soil overcomes long-fallow disorder of linseed (Linum usitatissimum L.) by improving P and Zn uptake

Cited by 64 publications

References 14 publications

The mycorrhizal soil infectivity and arbuscular mycorrhizal fungal spore communities in soils of different aged fallows in Senegal

The mycorrhizal soil infectivity and arbuscular mycorrhizal fungal spore communities in soils of different aged fallows in Senegal

Impacts of management on soil biota in Vertosols supporting the broadacre grains industry in northern Australia

Arbuscular Mycorrhizae Effects on Growth of Two Hawaiian Species: Indigenous Osteomeles anthyllidifolia (Rosaceae) and Invasive Psidium cattleianum (Myrtaceae)

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