Morphological and anatomical effects of severe drought on the roots of Lolium perenne L
Three experiments using soil-grown Lolium perenne plants were performed in order to investigate the effects of a gradually increasing drought stress on the death of root cells and the growth of lateral roots. Water potentials of -2 to -10 MPa caused death of the root cortex, but death of root tips o...
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| Veröffentlicht in: | The New phytologist 1987-03, Vol.105 (3), p.393-402 |
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| container_title | The New phytologist |
| container_volume | 105 |
| creator | Jupp, A.P Newman, E.I |
| description | Three experiments using soil-grown Lolium perenne plants were performed in order to investigate the effects of a gradually increasing drought stress on the death of root cells and the growth of lateral roots. Water potentials of -2 to -10 MPa caused death of the root cortex, but death of root tips occurred only at soil water potentials below -10 MPa. Low soil water potentials promoted lateral root initiation and elongation, the total length of lateral roots being between three and five times that of control plants. On rewetting severely droughted plants, root growth continued by elongation of existing, previously initiated, lateral roots. |
| doi_str_mv | 10.1111/j.1469-8137.1987.tb00876.x |
| format | Article |
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Water potentials of -2 to -10 MPa caused death of the root cortex, but death of root tips occurred only at soil water potentials below -10 MPa. Low soil water potentials promoted lateral root initiation and elongation, the total length of lateral roots being between three and five times that of control plants. On rewetting severely droughted plants, root growth continued by elongation of existing, previously initiated, lateral roots.</description><identifier>ISSN: 0028-646X</identifier><identifier>EISSN: 1469-8137</identifier><identifier>DOI: 10.1111/j.1469-8137.1987.tb00876.x</identifier><identifier>PMID: 33873904</identifier><identifier>CODEN: NEPHAV</identifier><language>eng</language><publisher>Oxford, UK: Academic Press</publisher><subject>Agronomy. Soil science and plant productions ; Biological and medical sciences ; cell death ; cell growth ; Drought ; Economic plant physiology ; Fundamental and applied biological sciences. Psychology ; Grassland soils ; lateral roots ; Lolium perenne ; Physical agents ; Plant cortex ; Plant physiology and development ; Plant roots ; Plants ; root cortex ; Root growth ; Root hairs ; Root tips ; roots ; Soil plant interactions ; Soil water ; stress ; Vegetative apparatus, growth and morphogenesis. 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Water potentials of -2 to -10 MPa caused death of the root cortex, but death of root tips occurred only at soil water potentials below -10 MPa. Low soil water potentials promoted lateral root initiation and elongation, the total length of lateral roots being between three and five times that of control plants. On rewetting severely droughted plants, root growth continued by elongation of existing, previously initiated, lateral roots.</description><subject>Agronomy. Soil science and plant productions</subject><subject>Biological and medical sciences</subject><subject>cell death</subject><subject>cell growth</subject><subject>Drought</subject><subject>Economic plant physiology</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Grassland soils</subject><subject>lateral roots</subject><subject>Lolium perenne</subject><subject>Physical agents</subject><subject>Plant cortex</subject><subject>Plant physiology and development</subject><subject>Plant roots</subject><subject>Plants</subject><subject>root cortex</subject><subject>Root growth</subject><subject>Root hairs</subject><subject>Root tips</subject><subject>roots</subject><subject>Soil plant interactions</subject><subject>Soil water</subject><subject>stress</subject><subject>Vegetative apparatus, growth and morphogenesis. Senescence</subject><subject>Water relations, transpiration, stomata</subject><issn>0028-646X</issn><issn>1469-8137</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1987</creationdate><recordtype>article</recordtype><recordid>eNqVkF2P1CAUhonRuLOr_8AoMV7sTStwKAUvTMzGdTcZPxLd6B2hLcx00pYR2nX330vt7NxLQgic57ycPAi9piSnab3d5ZQLlUkKZU6VLPOxIkSWIr97hFbH0mO0IoTJTHDx6wSdxrgjhKhCsKfoBECWoAhfoZ-ffdhvfec3bW06bIYmbTP6_t_VOmfrMWLvcLS3NljcBD9ttiP2Ax63Fgfvl_Lad-3U431ihsHi9TP0xJku2ueH8wzdXH78cXGVrb9-ur74sM7qQnDIClYxWRdOAGOKq4ZVkldVKYEYByCkTQ_ApOK1LJkxlakcF4TWrmgYFVTBGTpfcvfB_55sHHXfxtp2nRmsn6JmBS2E5ETQhL5b0Dr4GIN1eh_a3oR7TYmexeqdnu3p2Z6exeqDWH2Xml8e_pmq3jbH1geTCXhzAExM6lwwQ93GI1dyJghAwt4v2J-2s_f_MYH-8u0K1BzwYgnYxdGHYwDjAEyIVH61lJ3x2mxCGuHmOyMUCCMloVTCX_ORpxk</recordid><startdate>198703</startdate><enddate>198703</enddate><creator>Jupp, A.P</creator><creator>Newman, E.I</creator><general>Academic Press</general><general>Blackwell Publishing Ltd</general><general>Blackwell</general><scope>FBQ</scope><scope>IQODW</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope></search><sort><creationdate>198703</creationdate><title>Morphological and anatomical effects of severe drought on the roots of Lolium perenne L</title><author>Jupp, A.P ; Newman, E.I</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c5643-52b28c5f6322949d2b84bb7830af3368e2b832894c872aababf4601cf5d216193</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1987</creationdate><topic>Agronomy. Soil science and plant productions</topic><topic>Biological and medical sciences</topic><topic>cell death</topic><topic>cell growth</topic><topic>Drought</topic><topic>Economic plant physiology</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>Grassland soils</topic><topic>lateral roots</topic><topic>Lolium perenne</topic><topic>Physical agents</topic><topic>Plant cortex</topic><topic>Plant physiology and development</topic><topic>Plant roots</topic><topic>Plants</topic><topic>root cortex</topic><topic>Root growth</topic><topic>Root hairs</topic><topic>Root tips</topic><topic>roots</topic><topic>Soil plant interactions</topic><topic>Soil water</topic><topic>stress</topic><topic>Vegetative apparatus, growth and morphogenesis. Senescence</topic><topic>Water relations, transpiration, stomata</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Jupp, A.P</creatorcontrib><creatorcontrib>Newman, E.I</creatorcontrib><collection>AGRIS</collection><collection>Pascal-Francis</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>The New phytologist</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Jupp, A.P</au><au>Newman, E.I</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Morphological and anatomical effects of severe drought on the roots of Lolium perenne L</atitle><jtitle>The New phytologist</jtitle><addtitle>New Phytol</addtitle><date>1987-03</date><risdate>1987</risdate><volume>105</volume><issue>3</issue><spage>393</spage><epage>402</epage><pages>393-402</pages><issn>0028-646X</issn><eissn>1469-8137</eissn><coden>NEPHAV</coden><abstract>Three experiments using soil-grown Lolium perenne plants were performed in order to investigate the effects of a gradually increasing drought stress on the death of root cells and the growth of lateral roots. Water potentials of -2 to -10 MPa caused death of the root cortex, but death of root tips occurred only at soil water potentials below -10 MPa. Low soil water potentials promoted lateral root initiation and elongation, the total length of lateral roots being between three and five times that of control plants. On rewetting severely droughted plants, root growth continued by elongation of existing, previously initiated, lateral roots.</abstract><cop>Oxford, UK</cop><pub>Academic Press</pub><pmid>33873904</pmid><doi>10.1111/j.1469-8137.1987.tb00876.x</doi><tpages>10</tpages><oa>free_for_read</oa></addata></record> |
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| ispartof | The New phytologist, 1987-03, Vol.105 (3), p.393-402 |
| issn | 0028-646X 1469-8137 |
| language | eng |
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| source | Jstor Complete Legacy; Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals; Alma/SFX Local Collection |
| subjects | Agronomy. Soil science and plant productions Biological and medical sciences cell death cell growth Drought Economic plant physiology Fundamental and applied biological sciences. Psychology Grassland soils lateral roots Lolium perenne Physical agents Plant cortex Plant physiology and development Plant roots Plants root cortex Root growth Root hairs Root tips roots Soil plant interactions Soil water stress Vegetative apparatus, growth and morphogenesis. Senescence Water relations, transpiration, stomata |
| title | Morphological and anatomical effects of severe drought on the roots of Lolium perenne L |
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