Cylindrocarpon and Fusarium root colonization of Douglas-fir seedlings from British Columbia reforestation sites
Poor performance of Douglas-fir (Pseudotsuga menziesii (Mirb.) Franco) plantations established in 1987 has occurred in southwestern British Columbia. Affected sites were planted with 1-year-old container stock that exhibited some root dieback in the nursery. A study was initiated in 1991 to assess C...
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| Veröffentlicht in: | Canadian journal of forest research 1998-08, Vol.28 (8), p.1198-1206 |
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| creator | Axelrood, P.E Chapman, W.K Seifert, K.A Trotter, D.B Shrimpton, G |
| description | Poor performance of Douglas-fir (Pseudotsuga menziesii (Mirb.) Franco) plantations established in 1987 has occurred in southwestern British Columbia. Affected sites were planted with 1-year-old container stock that exhibited some root dieback in the nursery. A study was initiated in 1991 to assess Cylindrocarpon and Fusarium root infection in planted and naturally regenerating (natural) Douglas-fir seedlings from seven affected plantations. Percentages of seedlings harboring Cylindrocarpon spp. and percent root colonization were significantly greater for planted seedlings compared with natural seedlings. A significant linear trend in Cylindrocarpon root colonization was observed for planted seedlings with colonization levels being highest for roots closest to the remnants of the root plug and decreasing at distances greater than 10 cm from that region. This trend in Cylindrocarpon colonization was not observed for natural seedlings. Cylindrocarpon destructans (Zins.) Scholten var. destructans and C. cylindroides Wollenw. var. cylindroides were the only species isolated from planted and natural conifer seedlings. For most sites, percentage of seedlings harboring Fusarium spp. and percent Fusarium root colonization were less than for Cylindrocarpon. Recovery of Fusarium spp. from seedlings and root colonization levels were not significantly different for planted and natural seedlings from all sites. |
| doi_str_mv | 10.1139/x98-080 |
| format | Article |
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Franco) plantations established in 1987 has occurred in southwestern British Columbia. Affected sites were planted with 1-year-old container stock that exhibited some root dieback in the nursery. A study was initiated in 1991 to assess Cylindrocarpon and Fusarium root infection in planted and naturally regenerating (natural) Douglas-fir seedlings from seven affected plantations. Percentages of seedlings harboring Cylindrocarpon spp. and percent root colonization were significantly greater for planted seedlings compared with natural seedlings. A significant linear trend in Cylindrocarpon root colonization was observed for planted seedlings with colonization levels being highest for roots closest to the remnants of the root plug and decreasing at distances greater than 10 cm from that region. This trend in Cylindrocarpon colonization was not observed for natural seedlings. Cylindrocarpon destructans (Zins.) Scholten var. destructans and C. cylindroides Wollenw. var. cylindroides were the only species isolated from planted and natural conifer seedlings. For most sites, percentage of seedlings harboring Fusarium spp. and percent Fusarium root colonization were less than for Cylindrocarpon. Recovery of Fusarium spp. from seedlings and root colonization levels were not significantly different for planted and natural seedlings from all sites.</description><identifier>ISSN: 0045-5067</identifier><identifier>EISSN: 1208-6037</identifier><identifier>DOI: 10.1139/x98-080</identifier><identifier>CODEN: CJFRAR</identifier><language>eng</language><publisher>Ottawa, Canada: NRC Research Press</publisher><subject>afforestation ; Biological and medical sciences ; Canada, British Columbia ; Colonization ; Coniferous trees ; container-grown plants ; Cylindrocarpon ; Dieback ; Diseases & pests ; Firs ; forest plantations ; Forestry ; Forests ; Fundamental and applied biological sciences. Psychology ; Fungal plant pathogens ; Fungi ; Fusarium ; infection ; natural regeneration ; Pathology, epidemiology, host-fungus relationships. Damages, economic importance ; Phytopathology. Animal pests. Plant and forest protection ; Plant growth ; Plant tissues ; Plantations ; Pseudotsuga menziesii ; Reforestation ; Roots ; Roots (Botany) ; Seedlings ; spatial distribution ; Trees</subject><ispartof>Canadian journal of forest research, 1998-08, Vol.28 (8), p.1198-1206</ispartof><rights>1999 INIST-CNRS</rights><rights>Copyright National Research Council of Canada Aug 1998</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c315t-bbc1674b5377a5df0be114cf97e3c0722e9d0574b95165d694bd06df5cc177fe3</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27922,27923</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=1612640$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Axelrood, P.E</creatorcontrib><creatorcontrib>Chapman, W.K</creatorcontrib><creatorcontrib>Seifert, K.A</creatorcontrib><creatorcontrib>Trotter, D.B</creatorcontrib><creatorcontrib>Shrimpton, G</creatorcontrib><title>Cylindrocarpon and Fusarium root colonization of Douglas-fir seedlings from British Columbia reforestation sites</title><title>Canadian journal of forest research</title><addtitle>Revue canadienne de recherche forestière</addtitle><description>Poor performance of Douglas-fir (Pseudotsuga menziesii (Mirb.) Franco) plantations established in 1987 has occurred in southwestern British Columbia. Affected sites were planted with 1-year-old container stock that exhibited some root dieback in the nursery. A study was initiated in 1991 to assess Cylindrocarpon and Fusarium root infection in planted and naturally regenerating (natural) Douglas-fir seedlings from seven affected plantations. Percentages of seedlings harboring Cylindrocarpon spp. and percent root colonization were significantly greater for planted seedlings compared with natural seedlings. A significant linear trend in Cylindrocarpon root colonization was observed for planted seedlings with colonization levels being highest for roots closest to the remnants of the root plug and decreasing at distances greater than 10 cm from that region. This trend in Cylindrocarpon colonization was not observed for natural seedlings. Cylindrocarpon destructans (Zins.) Scholten var. destructans and C. cylindroides Wollenw. var. cylindroides were the only species isolated from planted and natural conifer seedlings. For most sites, percentage of seedlings harboring Fusarium spp. and percent Fusarium root colonization were less than for Cylindrocarpon. Recovery of Fusarium spp. from seedlings and root colonization levels were not significantly different for planted and natural seedlings from all sites.</description><subject>afforestation</subject><subject>Biological and medical sciences</subject><subject>Canada, British Columbia</subject><subject>Colonization</subject><subject>Coniferous trees</subject><subject>container-grown plants</subject><subject>Cylindrocarpon</subject><subject>Dieback</subject><subject>Diseases & pests</subject><subject>Firs</subject><subject>forest plantations</subject><subject>Forestry</subject><subject>Forests</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Fungal plant pathogens</subject><subject>Fungi</subject><subject>Fusarium</subject><subject>infection</subject><subject>natural regeneration</subject><subject>Pathology, epidemiology, host-fungus relationships. Damages, economic importance</subject><subject>Phytopathology. Animal pests. Plant and forest protection</subject><subject>Plant growth</subject><subject>Plant tissues</subject><subject>Plantations</subject><subject>Pseudotsuga menziesii</subject><subject>Reforestation</subject><subject>Roots</subject><subject>Roots (Botany)</subject><subject>Seedlings</subject><subject>spatial distribution</subject><subject>Trees</subject><issn>0045-5067</issn><issn>1208-6037</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1998</creationdate><recordtype>article</recordtype><sourceid>8G5</sourceid><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><sourceid>GUQSH</sourceid><sourceid>M2O</sourceid><recordid>eNp90E2L1TAUBuAgCl5H8ScYREYQqidJk9wux6ujwoALnXVI83EnQ9vUkxYcf70ZekEQdJVFnvPm5CXkOYO3jInu3c9u38AeHpAd47BvFAj9kOwAWtlIUPoxeVLKLQAIJWBH5sPdkCaP2Vmc80Tt5OnlWiymdaSY80JdHvKUftkl1esc6Ye8HgdbmpiQlhB8HT8WGjGP9D2mJZUbesjDOvbJUgwxYyjLNlzSEspT8ijaoYRnp_OMXF9-_H743Fx9_fTlcHHVOMHk0vS9Y0q3vRRaW-kj9IGx1sVOB-FAcx46D7KCTjIlvera3oPyUTrHtI5BnJHzLXfG_GOtO5gxFReGwU4hr8UwraTkilf48i94m1ec6m6GC5AcpFQVvd6Qw1xK_ZaZMY0W7wwDc1-7qbWbWnuVr05xtjg7RLSTS-UPV4yr9p692diErjYULLqb_2Se_xufkJl9rPDFBqPNxh6xPnz9jQMTwFqta1XiN30xqAQ</recordid><startdate>19980801</startdate><enddate>19980801</enddate><creator>Axelrood, P.E</creator><creator>Chapman, W.K</creator><creator>Seifert, K.A</creator><creator>Trotter, D.B</creator><creator>Shrimpton, G</creator><general>NRC Research Press</general><general>National Research Council of Canada</general><general>Canadian Science Publishing NRC Research Press</general><scope>FBQ</scope><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>3V.</scope><scope>7RQ</scope><scope>7SN</scope><scope>7SS</scope><scope>7T7</scope><scope>7X2</scope><scope>7XB</scope><scope>88I</scope><scope>8AF</scope><scope>8FD</scope><scope>8FE</scope><scope>8FG</scope><scope>8FH</scope><scope>8FK</scope><scope>8FQ</scope><scope>8FV</scope><scope>8G5</scope><scope>ABJCF</scope><scope>ABUWG</scope><scope>AEUYN</scope><scope>AFKRA</scope><scope>ATCPS</scope><scope>AZQEC</scope><scope>BEC</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>BHPHI</scope><scope>BKSAR</scope><scope>C1K</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>FR3</scope><scope>GNUQQ</scope><scope>GUQSH</scope><scope>HCIFZ</scope><scope>L6V</scope><scope>M0K</scope><scope>M2O</scope><scope>M2P</scope><scope>M3G</scope><scope>M7S</scope><scope>MBDVC</scope><scope>P64</scope><scope>PATMY</scope><scope>PCBAR</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PTHSS</scope><scope>PYCSY</scope><scope>Q9U</scope><scope>RC3</scope><scope>U9A</scope></search><sort><creationdate>19980801</creationdate><title>Cylindrocarpon and Fusarium root colonization of Douglas-fir seedlings from British Columbia reforestation sites</title><author>Axelrood, P.E ; Chapman, W.K ; Seifert, K.A ; Trotter, D.B ; Shrimpton, G</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c315t-bbc1674b5377a5df0be114cf97e3c0722e9d0574b95165d694bd06df5cc177fe3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1998</creationdate><topic>afforestation</topic><topic>Biological and medical sciences</topic><topic>Canada, British Columbia</topic><topic>Colonization</topic><topic>Coniferous trees</topic><topic>container-grown plants</topic><topic>Cylindrocarpon</topic><topic>Dieback</topic><topic>Diseases & pests</topic><topic>Firs</topic><topic>forest plantations</topic><topic>Forestry</topic><topic>Forests</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>Fungal plant pathogens</topic><topic>Fungi</topic><topic>Fusarium</topic><topic>infection</topic><topic>natural regeneration</topic><topic>Pathology, epidemiology, host-fungus relationships. Damages, economic importance</topic><topic>Phytopathology. Animal pests. 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Franco) plantations established in 1987 has occurred in southwestern British Columbia. Affected sites were planted with 1-year-old container stock that exhibited some root dieback in the nursery. A study was initiated in 1991 to assess Cylindrocarpon and Fusarium root infection in planted and naturally regenerating (natural) Douglas-fir seedlings from seven affected plantations. Percentages of seedlings harboring Cylindrocarpon spp. and percent root colonization were significantly greater for planted seedlings compared with natural seedlings. A significant linear trend in Cylindrocarpon root colonization was observed for planted seedlings with colonization levels being highest for roots closest to the remnants of the root plug and decreasing at distances greater than 10 cm from that region. This trend in Cylindrocarpon colonization was not observed for natural seedlings. Cylindrocarpon destructans (Zins.) Scholten var. destructans and C. cylindroides Wollenw. var. cylindroides were the only species isolated from planted and natural conifer seedlings. For most sites, percentage of seedlings harboring Fusarium spp. and percent Fusarium root colonization were less than for Cylindrocarpon. Recovery of Fusarium spp. from seedlings and root colonization levels were not significantly different for planted and natural seedlings from all sites.</abstract><cop>Ottawa, Canada</cop><pub>NRC Research Press</pub><doi>10.1139/x98-080</doi><tpages>9</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0045-5067 |
| ispartof | Canadian journal of forest research, 1998-08, Vol.28 (8), p.1198-1206 |
| issn | 0045-5067 1208-6037 |
| language | eng |
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| source | Alma/SFX Local Collection |
| subjects | afforestation Biological and medical sciences Canada, British Columbia Colonization Coniferous trees container-grown plants Cylindrocarpon Dieback Diseases & pests Firs forest plantations Forestry Forests Fundamental and applied biological sciences. Psychology Fungal plant pathogens Fungi Fusarium infection natural regeneration Pathology, epidemiology, host-fungus relationships. Damages, economic importance Phytopathology. Animal pests. Plant and forest protection Plant growth Plant tissues Plantations Pseudotsuga menziesii Reforestation Roots Roots (Botany) Seedlings spatial distribution Trees |
| title | Cylindrocarpon and Fusarium root colonization of Douglas-fir seedlings from British Columbia reforestation sites |
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