Arbuscular mycorrhizas in cycads of southern India
Root and soil samples of three potted or ground-grown cycads ( Cycas circinalis, C. revoluta, Zamiasp.) were collected between November 1999 and June 2000 and surveyed for arbuscular mycorrhizal (AM) colonization and spore populations. AM fungi were associated with all root systems and rhizosphere s...
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| Veröffentlicht in: | Mycorrhiza 2002-08, Vol.12 (4), p.213-217 |
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| creator | MUTHUKUMAR, T UDAIYAN, K |
| description | Root and soil samples of three potted or ground-grown cycads ( Cycas circinalis, C. revoluta, Zamiasp.) were collected between November 1999 and June 2000 and surveyed for arbuscular mycorrhizal (AM) colonization and spore populations. AM fungi were associated with all root systems and rhizosphere samples examined. Root colonization was of a typical Arum type and AM colonization levels differed significantly between species and between potted and ground-grown cycads. Mycorrhizal colonization levels were inversely related to root hair number and length. Spores of nine morphotypes belonging to three genera ( Acaulospora, Glomus, Scutellospora) were extracted from soil. The percentage root length colonized by AM fungi was not related to soil factors, but total AM fungal spore numbers in the rhizosphere soil were inversely related to soil nitrogen and phosphorus levels. AM fungal spore numbers in the soil were linearly related to root length colonized. The co-occurrence of septate non-mycorrhizal fungi was recorded for the first time in cycads. These observations and the relationship between plant mycorrhizal status and soil nutrients are discussed. |
| doi_str_mv | 10.1007/s00572-002-0179-4 |
| format | Article |
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AM fungi were associated with all root systems and rhizosphere samples examined. Root colonization was of a typical Arum type and AM colonization levels differed significantly between species and between potted and ground-grown cycads. Mycorrhizal colonization levels were inversely related to root hair number and length. Spores of nine morphotypes belonging to three genera ( Acaulospora, Glomus, Scutellospora) were extracted from soil. The percentage root length colonized by AM fungi was not related to soil factors, but total AM fungal spore numbers in the rhizosphere soil were inversely related to soil nitrogen and phosphorus levels. AM fungal spore numbers in the soil were linearly related to root length colonized. The co-occurrence of septate non-mycorrhizal fungi was recorded for the first time in cycads. These observations and the relationship between plant mycorrhizal status and soil nutrients are discussed.</description><identifier>ISSN: 0940-6360</identifier><identifier>EISSN: 1432-1890</identifier><identifier>DOI: 10.1007/s00572-002-0179-4</identifier><identifier>PMID: 12189476</identifier><language>eng</language><publisher>Berlin: Springer</publisher><subject>Acaulospora ; Animal and plant ecology ; Animal, plant and microbial ecology ; Autoecology ; Biological and medical sciences ; Cycas - microbiology ; Cycas circinalis ; Cycas revoluta ; Fundamental and applied biological sciences. Psychology ; Fungi - physiology ; Gigaspora ; India ; Mycorrhizae - physiology ; Mycorrhizae - ultrastructure ; Parasitism and symbiosis ; Plant physiology and development ; Plant Roots - microbiology ; Plant Roots - ultrastructure ; Plants and fungi ; Scutellospora ; Spores, Fungal - physiology ; Symbiosis ; Zamia ; Zamiaceae - microbiology</subject><ispartof>Mycorrhiza, 2002-08, Vol.12 (4), p.213-217</ispartof><rights>2002 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c358t-2c57fece23036ecdc31d2e96d50f8fe01f899a8bbd18e2d93672e835d329aa213</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=13851215$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/12189476$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>MUTHUKUMAR, T</creatorcontrib><creatorcontrib>UDAIYAN, K</creatorcontrib><title>Arbuscular mycorrhizas in cycads of southern India</title><title>Mycorrhiza</title><addtitle>Mycorrhiza</addtitle><description>Root and soil samples of three potted or ground-grown cycads ( Cycas circinalis, C. revoluta, Zamiasp.) were collected between November 1999 and June 2000 and surveyed for arbuscular mycorrhizal (AM) colonization and spore populations. AM fungi were associated with all root systems and rhizosphere samples examined. Root colonization was of a typical Arum type and AM colonization levels differed significantly between species and between potted and ground-grown cycads. Mycorrhizal colonization levels were inversely related to root hair number and length. Spores of nine morphotypes belonging to three genera ( Acaulospora, Glomus, Scutellospora) were extracted from soil. The percentage root length colonized by AM fungi was not related to soil factors, but total AM fungal spore numbers in the rhizosphere soil were inversely related to soil nitrogen and phosphorus levels. AM fungal spore numbers in the soil were linearly related to root length colonized. The co-occurrence of septate non-mycorrhizal fungi was recorded for the first time in cycads. These observations and the relationship between plant mycorrhizal status and soil nutrients are discussed.</description><subject>Acaulospora</subject><subject>Animal and plant ecology</subject><subject>Animal, plant and microbial ecology</subject><subject>Autoecology</subject><subject>Biological and medical sciences</subject><subject>Cycas - microbiology</subject><subject>Cycas circinalis</subject><subject>Cycas revoluta</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Fungi - physiology</subject><subject>Gigaspora</subject><subject>India</subject><subject>Mycorrhizae - physiology</subject><subject>Mycorrhizae - ultrastructure</subject><subject>Parasitism and symbiosis</subject><subject>Plant physiology and development</subject><subject>Plant Roots - microbiology</subject><subject>Plant Roots - ultrastructure</subject><subject>Plants and fungi</subject><subject>Scutellospora</subject><subject>Spores, Fungal - physiology</subject><subject>Symbiosis</subject><subject>Zamia</subject><subject>Zamiaceae - microbiology</subject><issn>0940-6360</issn><issn>1432-1890</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2002</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqF0DtPwzAQwHELgWgpfAAWlAW2wNmOE3usEI9KlVhgthw_1KA8iq8ZyqfHVSN1ZLBu-d3J-hNyS-GRAlRPCCAqlgOkRyuVF2dkTgvOcioVnJM5qALykpcwI1eI35BQyeklmVGWRFGVc8KWsR7Rjq2JWbe3Q4yb5tdg1vSZ3VvjMBtChsO42_jYZ6veNeaaXATTor-Z5oJ8vb58Pr_n64-31fNynVsu5C5nVlTBW8848NJbZzl1zKvSCQgyeKBBKmVkXTsqPXOKlxXzkgvHmTKGUb4gD8e72zj8jB53umvQ-rY1vR9G1BUDqiSIfyFVjPH0pwTpEdo4IEYf9DY2nYl7TUEfiupjUZ2K6kNRXaSdu-n4WHfenTamhAncT8CgNW2IprcNnhyXIlnB_wA-G30d</recordid><startdate>20020801</startdate><enddate>20020801</enddate><creator>MUTHUKUMAR, T</creator><creator>UDAIYAN, K</creator><general>Springer</general><scope>IQODW</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>M7N</scope><scope>7X8</scope></search><sort><creationdate>20020801</creationdate><title>Arbuscular mycorrhizas in cycads of southern India</title><author>MUTHUKUMAR, T ; UDAIYAN, K</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c358t-2c57fece23036ecdc31d2e96d50f8fe01f899a8bbd18e2d93672e835d329aa213</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2002</creationdate><topic>Acaulospora</topic><topic>Animal and plant ecology</topic><topic>Animal, plant and microbial ecology</topic><topic>Autoecology</topic><topic>Biological and medical sciences</topic><topic>Cycas - microbiology</topic><topic>Cycas circinalis</topic><topic>Cycas revoluta</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>Fungi - physiology</topic><topic>Gigaspora</topic><topic>India</topic><topic>Mycorrhizae - physiology</topic><topic>Mycorrhizae - ultrastructure</topic><topic>Parasitism and symbiosis</topic><topic>Plant physiology and development</topic><topic>Plant Roots - microbiology</topic><topic>Plant Roots - ultrastructure</topic><topic>Plants and fungi</topic><topic>Scutellospora</topic><topic>Spores, Fungal - physiology</topic><topic>Symbiosis</topic><topic>Zamia</topic><topic>Zamiaceae - microbiology</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>MUTHUKUMAR, T</creatorcontrib><creatorcontrib>UDAIYAN, K</creatorcontrib><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Algology Mycology and Protozoology Abstracts (Microbiology C)</collection><collection>MEDLINE - Academic</collection><jtitle>Mycorrhiza</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>MUTHUKUMAR, T</au><au>UDAIYAN, K</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Arbuscular mycorrhizas in cycads of southern India</atitle><jtitle>Mycorrhiza</jtitle><addtitle>Mycorrhiza</addtitle><date>2002-08-01</date><risdate>2002</risdate><volume>12</volume><issue>4</issue><spage>213</spage><epage>217</epage><pages>213-217</pages><issn>0940-6360</issn><eissn>1432-1890</eissn><abstract>Root and soil samples of three potted or ground-grown cycads ( Cycas circinalis, C. revoluta, Zamiasp.) were collected between November 1999 and June 2000 and surveyed for arbuscular mycorrhizal (AM) colonization and spore populations. AM fungi were associated with all root systems and rhizosphere samples examined. Root colonization was of a typical Arum type and AM colonization levels differed significantly between species and between potted and ground-grown cycads. Mycorrhizal colonization levels were inversely related to root hair number and length. Spores of nine morphotypes belonging to three genera ( Acaulospora, Glomus, Scutellospora) were extracted from soil. The percentage root length colonized by AM fungi was not related to soil factors, but total AM fungal spore numbers in the rhizosphere soil were inversely related to soil nitrogen and phosphorus levels. AM fungal spore numbers in the soil were linearly related to root length colonized. The co-occurrence of septate non-mycorrhizal fungi was recorded for the first time in cycads. These observations and the relationship between plant mycorrhizal status and soil nutrients are discussed.</abstract><cop>Berlin</cop><pub>Springer</pub><pmid>12189476</pmid><doi>10.1007/s00572-002-0179-4</doi><tpages>5</tpages></addata></record> |
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| ispartof | Mycorrhiza, 2002-08, Vol.12 (4), p.213-217 |
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| subjects | Acaulospora Animal and plant ecology Animal, plant and microbial ecology Autoecology Biological and medical sciences Cycas - microbiology Cycas circinalis Cycas revoluta Fundamental and applied biological sciences. Psychology Fungi - physiology Gigaspora India Mycorrhizae - physiology Mycorrhizae - ultrastructure Parasitism and symbiosis Plant physiology and development Plant Roots - microbiology Plant Roots - ultrastructure Plants and fungi Scutellospora Spores, Fungal - physiology Symbiosis Zamia Zamiaceae - microbiology |
| title | Arbuscular mycorrhizas in cycads of southern India |
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