What is the significance of the arbuscular mycorrhizal colonisation of many economically important crop plants?
Arbuscular mycorrhizal (AM) symbioses are widespread in land plants but the extent to which they are functionally important in agriculture remains unclear, despite much previous research. We ask focused questions designed to give new perspectives on AM function, some based on recent research that is...
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| Veröffentlicht in: | Plant and soil 2011-11, Vol.348 (1/2), p.63-79 |
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| creator | Smith, F. Andrew Smith, Sally E. |
| description | Arbuscular mycorrhizal (AM) symbioses are widespread in land plants but the extent to which they are functionally important in agriculture remains unclear, despite much previous research. We ask focused questions designed to give new perspectives on AM function, some based on recent research that is overturning past beliefs. We address factors that determine growth responses (from positive to negative) in AM plants, the extent to which AM plants that lack positive responses benefit in terms of nutrient (particularly phosphate: P) uptake, whether or not AM and nonmycorrhizal (NM) plants acquire different forms of soil P, and the cause(s) of AM 'growth depressions'. We consider the relevance of laboratory work to the agricultural context, including effects of high (available) soil P on AM fungal colonisation and whether AM colonisation may be deleterious to crop production due to fungal 'parasitism'. We emphasise the imperative for research that is aimed at increasing benefits of AM symbioses in the field at a time of increasing prices of P-fertiliser, and increasing demands on agriculture to feed the world. In other words, AM symbioses have key roles in providing ecosystem services that are receiving increasing attention worldwide. |
| doi_str_mv | 10.1007/s11104-011-0865-0 |
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Andrew ; Smith, Sally E.</creator><creatorcontrib>Smith, F. Andrew ; Smith, Sally E.</creatorcontrib><description>Arbuscular mycorrhizal (AM) symbioses are widespread in land plants but the extent to which they are functionally important in agriculture remains unclear, despite much previous research. We ask focused questions designed to give new perspectives on AM function, some based on recent research that is overturning past beliefs. We address factors that determine growth responses (from positive to negative) in AM plants, the extent to which AM plants that lack positive responses benefit in terms of nutrient (particularly phosphate: P) uptake, whether or not AM and nonmycorrhizal (NM) plants acquire different forms of soil P, and the cause(s) of AM 'growth depressions'. We consider the relevance of laboratory work to the agricultural context, including effects of high (available) soil P on AM fungal colonisation and whether AM colonisation may be deleterious to crop production due to fungal 'parasitism'. We emphasise the imperative for research that is aimed at increasing benefits of AM symbioses in the field at a time of increasing prices of P-fertiliser, and increasing demands on agriculture to feed the world. 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Andrew</creatorcontrib><creatorcontrib>Smith, Sally E.</creatorcontrib><title>What is the significance of the arbuscular mycorrhizal colonisation of many economically important crop plants?</title><title>Plant and soil</title><addtitle>Plant Soil</addtitle><description>Arbuscular mycorrhizal (AM) symbioses are widespread in land plants but the extent to which they are functionally important in agriculture remains unclear, despite much previous research. We ask focused questions designed to give new perspectives on AM function, some based on recent research that is overturning past beliefs. We address factors that determine growth responses (from positive to negative) in AM plants, the extent to which AM plants that lack positive responses benefit in terms of nutrient (particularly phosphate: P) uptake, whether or not AM and nonmycorrhizal (NM) plants acquire different forms of soil P, and the cause(s) of AM 'growth depressions'. 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Andrew ; Smith, Sally E.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c440t-a24831d3f799a630a756779960a5ef43ed4ebeb90df4aaa6c1491687d0739fb83</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2011</creationdate><topic>Agricultural research</topic><topic>Agricultural soils</topic><topic>Agriculture</topic><topic>Agrology</topic><topic>arbuscular mycorrhizas</topic><topic>Biomedical and Life Sciences</topic><topic>Colonization</topic><topic>Crop production</topic><topic>Crop science</topic><topic>Crop yields</topic><topic>Crops</topic><topic>Ecology</topic><topic>Economic importance</topic><topic>Ecosystem services</topic><topic>Environmental aspects</topic><topic>Fungi</topic><topic>Growth rate</topic><topic>Life Sciences</topic><topic>Mycorrhizas</topic><topic>Nutrients</topic><topic>Parasitism</topic><topic>Phosphate</topic><topic>Phosphatic fertilizers</topic><topic>Phosphorus</topic><topic>Plant growth</topic><topic>Plant Physiology</topic><topic>Plant roots</topic><topic>Plant Sciences</topic><topic>Plant-soil relationships</topic><topic>Plants</topic><topic>Regular Article</topic><topic>Soil</topic><topic>Soil fungi</topic><topic>Soil microbiology</topic><topic>Soil microorganisms</topic><topic>Soil Science & Conservation</topic><topic>Symbiosis</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Smith, F. 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Andrew</au><au>Smith, Sally E.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>What is the significance of the arbuscular mycorrhizal colonisation of many economically important crop plants?</atitle><jtitle>Plant and soil</jtitle><stitle>Plant Soil</stitle><date>2011-11-01</date><risdate>2011</risdate><volume>348</volume><issue>1/2</issue><spage>63</spage><epage>79</epage><pages>63-79</pages><issn>0032-079X</issn><eissn>1573-5036</eissn><abstract>Arbuscular mycorrhizal (AM) symbioses are widespread in land plants but the extent to which they are functionally important in agriculture remains unclear, despite much previous research. We ask focused questions designed to give new perspectives on AM function, some based on recent research that is overturning past beliefs. 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| ispartof | Plant and soil, 2011-11, Vol.348 (1/2), p.63-79 |
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| subjects | Agricultural research Agricultural soils Agriculture Agrology arbuscular mycorrhizas Biomedical and Life Sciences Colonization Crop production Crop science Crop yields Crops Ecology Economic importance Ecosystem services Environmental aspects Fungi Growth rate Life Sciences Mycorrhizas Nutrients Parasitism Phosphate Phosphatic fertilizers Phosphorus Plant growth Plant Physiology Plant roots Plant Sciences Plant-soil relationships Plants Regular Article Soil Soil fungi Soil microbiology Soil microorganisms Soil Science & Conservation Symbiosis |
| title | What is the significance of the arbuscular mycorrhizal colonisation of many economically important crop plants? |
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