Fractal geometry of root systems: Field observations of contrasting genotypes of common bean (Phaseolus vulgaris L.) grown under different phosphorus regimes
Root growth and architecture are important for phosphorus acquisition due to the relative immobility of P in the soil. Fractal geometry is a potential new approach to the analysis of root architecture. Substantial genetic variation in root growth and architecture has been observed in common bean. Co...
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| Veröffentlicht in: | Plant and soil 1999-09, Vol.206 (2), p.181-190 |
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| creator | Nielsen, K.L. (Pennsylvania State Univ., University Park, PA (USA). Dept. of Horticulture) Miller, C.R Beck, D Lynch, J.P |
| description | Root growth and architecture are important for phosphorus acquisition due to the relative immobility of P in the soil. Fractal geometry is a potential new approach to the analysis of root architecture. Substantial genetic variation in root growth and architecture has been observed in common bean. Common bean (Phaseolus vulgaris L.) genotypes with contrasting root architecture were grown under moderate and low P conditions in a field experiment. Linear and planar fractal dimension were measured by tracing root intercepts with vertical planes. Linear fractal dimension increased over time in efficient genotypes, but remained fairly constant over time in inefficient genotypes. Planar fractal dimension increased over time for all genotypes, but was higher in efficient than inefficient genotypes at the end of the experiment. Planar fractal dimension of medium P plants was found to correlate with shoot P content indicating fractal dimension to be a possible indicator for root P uptake. The increasing fractal dimension over time indicates that fractal analysis is a sensitive measure of root branching intensity. A less destructive method for acquisition of data that allows for continuous analysis of fractal geometry and thereby screening for more P efficient genotypes in the field is suggested. This method will allow the researcher to conduct fractal analysis and still complete field trials with final yield evaluation. |
| doi_str_mv | 10.1023/A:1004499224717 |
| format | Article |
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(Pennsylvania State Univ., University Park, PA (USA). Dept. of Horticulture) ; Miller, C.R ; Beck, D ; Lynch, J.P</creator><creatorcontrib>Nielsen, K.L. (Pennsylvania State Univ., University Park, PA (USA). Dept. of Horticulture) ; Miller, C.R ; Beck, D ; Lynch, J.P</creatorcontrib><description>Root growth and architecture are important for phosphorus acquisition due to the relative immobility of P in the soil. Fractal geometry is a potential new approach to the analysis of root architecture. Substantial genetic variation in root growth and architecture has been observed in common bean. Common bean (Phaseolus vulgaris L.) genotypes with contrasting root architecture were grown under moderate and low P conditions in a field experiment. Linear and planar fractal dimension were measured by tracing root intercepts with vertical planes. Linear fractal dimension increased over time in efficient genotypes, but remained fairly constant over time in inefficient genotypes. Planar fractal dimension increased over time for all genotypes, but was higher in efficient than inefficient genotypes at the end of the experiment. Planar fractal dimension of medium P plants was found to correlate with shoot P content indicating fractal dimension to be a possible indicator for root P uptake. The increasing fractal dimension over time indicates that fractal analysis is a sensitive measure of root branching intensity. A less destructive method for acquisition of data that allows for continuous analysis of fractal geometry and thereby screening for more P efficient genotypes in the field is suggested. This method will allow the researcher to conduct fractal analysis and still complete field trials with final yield evaluation.</description><identifier>ISSN: 0032-079X</identifier><identifier>EISSN: 1573-5036</identifier><identifier>DOI: 10.1023/A:1004499224717</identifier><identifier>CODEN: PLSOA2</identifier><language>eng</language><publisher>Dordrecht: Kluwer Academic Publishers</publisher><subject>Acquisitions & mergers ; Agricultural soils ; Agronomy. Soil science and plant productions ; Architecture ; Beans ; Biological and medical sciences ; CARENCE EN SUBSTANCE NUTRITIVE ; DEFICIENCIAS NUTRITIVAS ; Economic plant physiology ; FOSFORO ; Fractal analysis ; Fractal dimensions ; Fractal geometry ; Fractals ; French beans ; Fundamental and applied biological sciences. Psychology ; Genetic analysis ; Genetic diversity ; GENOTIPOS ; GENOTYPE ; GENOTYPES ; Geometry ; Growth and development ; Leaf area ; Morphogenesis, differentiation, rhizogenesis, tuberization. Senescence ; NUTRIENT DEFICIENCIES ; PHASEOLUS VULGARIS ; PHOSPHORE ; PHOSPHORUS ; Plant growth ; Plant growth. Development of the storage organs ; Plant physiology and development ; Plant roots ; Plants ; ROOT SYSTEMS ; SISTEMA RADICULAR ; SYSTEME RACINAIRE ; Vegetative apparatus, growth and morphogenesis. Senescence</subject><ispartof>Plant and soil, 1999-09, Vol.206 (2), p.181-190</ispartof><rights>1999 Kluwer Academic Publishers</rights><rights>1999 INIST-CNRS</rights><rights>Kluwer Academic Publishers 1998.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c330t-5132046077dca1eee761d1d5c804d5f0f0083f4ea1b0b8ee8d45fafe2784b10f3</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.jstor.org/stable/pdf/42949448$$EPDF$$P50$$Gjstor$$H</linktopdf><linktohtml>$$Uhttps://www.jstor.org/stable/42949448$$EHTML$$P50$$Gjstor$$H</linktohtml><link.rule.ids>315,782,786,805,27933,27934,58026,58259</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=1836380$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Nielsen, K.L. (Pennsylvania State Univ., University Park, PA (USA). Dept. of Horticulture)</creatorcontrib><creatorcontrib>Miller, C.R</creatorcontrib><creatorcontrib>Beck, D</creatorcontrib><creatorcontrib>Lynch, J.P</creatorcontrib><title>Fractal geometry of root systems: Field observations of contrasting genotypes of common bean (Phaseolus vulgaris L.) grown under different phosphorus regimes</title><title>Plant and soil</title><description>Root growth and architecture are important for phosphorus acquisition due to the relative immobility of P in the soil. Fractal geometry is a potential new approach to the analysis of root architecture. Substantial genetic variation in root growth and architecture has been observed in common bean. Common bean (Phaseolus vulgaris L.) genotypes with contrasting root architecture were grown under moderate and low P conditions in a field experiment. Linear and planar fractal dimension were measured by tracing root intercepts with vertical planes. Linear fractal dimension increased over time in efficient genotypes, but remained fairly constant over time in inefficient genotypes. Planar fractal dimension increased over time for all genotypes, but was higher in efficient than inefficient genotypes at the end of the experiment. Planar fractal dimension of medium P plants was found to correlate with shoot P content indicating fractal dimension to be a possible indicator for root P uptake. The increasing fractal dimension over time indicates that fractal analysis is a sensitive measure of root branching intensity. A less destructive method for acquisition of data that allows for continuous analysis of fractal geometry and thereby screening for more P efficient genotypes in the field is suggested. This method will allow the researcher to conduct fractal analysis and still complete field trials with final yield evaluation.</description><subject>Acquisitions & mergers</subject><subject>Agricultural soils</subject><subject>Agronomy. Soil science and plant productions</subject><subject>Architecture</subject><subject>Beans</subject><subject>Biological and medical sciences</subject><subject>CARENCE EN SUBSTANCE NUTRITIVE</subject><subject>DEFICIENCIAS NUTRITIVAS</subject><subject>Economic plant physiology</subject><subject>FOSFORO</subject><subject>Fractal analysis</subject><subject>Fractal dimensions</subject><subject>Fractal geometry</subject><subject>Fractals</subject><subject>French beans</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Genetic analysis</subject><subject>Genetic diversity</subject><subject>GENOTIPOS</subject><subject>GENOTYPE</subject><subject>GENOTYPES</subject><subject>Geometry</subject><subject>Growth and development</subject><subject>Leaf area</subject><subject>Morphogenesis, differentiation, rhizogenesis, tuberization. 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(Pennsylvania State Univ., University Park, PA (USA). Dept. of Horticulture)</au><au>Miller, C.R</au><au>Beck, D</au><au>Lynch, J.P</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Fractal geometry of root systems: Field observations of contrasting genotypes of common bean (Phaseolus vulgaris L.) grown under different phosphorus regimes</atitle><jtitle>Plant and soil</jtitle><date>1999-09-01</date><risdate>1999</risdate><volume>206</volume><issue>2</issue><spage>181</spage><epage>190</epage><pages>181-190</pages><issn>0032-079X</issn><eissn>1573-5036</eissn><coden>PLSOA2</coden><abstract>Root growth and architecture are important for phosphorus acquisition due to the relative immobility of P in the soil. Fractal geometry is a potential new approach to the analysis of root architecture. Substantial genetic variation in root growth and architecture has been observed in common bean. Common bean (Phaseolus vulgaris L.) genotypes with contrasting root architecture were grown under moderate and low P conditions in a field experiment. Linear and planar fractal dimension were measured by tracing root intercepts with vertical planes. Linear fractal dimension increased over time in efficient genotypes, but remained fairly constant over time in inefficient genotypes. Planar fractal dimension increased over time for all genotypes, but was higher in efficient than inefficient genotypes at the end of the experiment. Planar fractal dimension of medium P plants was found to correlate with shoot P content indicating fractal dimension to be a possible indicator for root P uptake. The increasing fractal dimension over time indicates that fractal analysis is a sensitive measure of root branching intensity. A less destructive method for acquisition of data that allows for continuous analysis of fractal geometry and thereby screening for more P efficient genotypes in the field is suggested. This method will allow the researcher to conduct fractal analysis and still complete field trials with final yield evaluation.</abstract><cop>Dordrecht</cop><pub>Kluwer Academic Publishers</pub><doi>10.1023/A:1004499224717</doi><tpages>10</tpages></addata></record> |
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| ispartof | Plant and soil, 1999-09, Vol.206 (2), p.181-190 |
| issn | 0032-079X 1573-5036 |
| language | eng |
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| source | SpringerNature Journals; JSTOR |
| subjects | Acquisitions & mergers Agricultural soils Agronomy. Soil science and plant productions Architecture Beans Biological and medical sciences CARENCE EN SUBSTANCE NUTRITIVE DEFICIENCIAS NUTRITIVAS Economic plant physiology FOSFORO Fractal analysis Fractal dimensions Fractal geometry Fractals French beans Fundamental and applied biological sciences. Psychology Genetic analysis Genetic diversity GENOTIPOS GENOTYPE GENOTYPES Geometry Growth and development Leaf area Morphogenesis, differentiation, rhizogenesis, tuberization. Senescence NUTRIENT DEFICIENCIES PHASEOLUS VULGARIS PHOSPHORE PHOSPHORUS Plant growth Plant growth. Development of the storage organs Plant physiology and development Plant roots Plants ROOT SYSTEMS SISTEMA RADICULAR SYSTEME RACINAIRE Vegetative apparatus, growth and morphogenesis. Senescence |
| title | Fractal geometry of root systems: Field observations of contrasting genotypes of common bean (Phaseolus vulgaris L.) grown under different phosphorus regimes |
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