Bacillus subtilis B-2 and selected onion rhizobacteria in onion seedling rhizospheres: Effects on seedling growth and indigenous rhizosphere microflora
Marked strains of Bacillus subtilis B-2 and four selected rhizobacteria were introduced into onion rhizospheres by seed bacterization. Their effects on plant growth and their populations in root surface and root zone soil environments of field-grown onions were estimated 30 days following sowing. Po...
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| Veröffentlicht in: | Soil biology & biochemistry 1989, Vol.21 (3), p.379-383 |
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| container_title | Soil biology & biochemistry |
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| creator | Reddy, M.S. Rahe, J.E. |
| description | Marked strains of
Bacillus subtilis B-2 and four selected rhizobacteria were introduced into onion rhizospheres by seed bacterization. Their effects on plant growth and their populations in root surface and root zone soil environments of field-grown onions were estimated 30 days following sowing. Populations of indigenous rhizosphere bacteria and fungi were also assessed by dilution plating. Seed bacterization with B-2 UI-1 and B caused significant increases in shoot height and shoot dry weights of onion seedlings over controls. Only UI-2 caused a significant increase in root dry weight. All of the strains survived in seedling rhizopheres in substantial numbers, but there were marked differences among the strains. Overall, UI-2 and B were comparatively good colonizers, UI-1 and W were intermediate and B-2 was poor. Seed bacterization treatments significantly reduced indigenous bacterial and fungal populations in seedling rhizospheres. Promotion of onion seedling growth by seed bacterization was not correlated with the relative persistance of the introduced bacterium, but may be related to the ability of the introduced bacterium to reduce components of the indigenous rhizosphere microflora. |
| doi_str_mv | 10.1016/0038-0717(89)90147-8 |
| format | Article |
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Bacillus subtilis B-2 and four selected rhizobacteria were introduced into onion rhizospheres by seed bacterization. Their effects on plant growth and their populations in root surface and root zone soil environments of field-grown onions were estimated 30 days following sowing. Populations of indigenous rhizosphere bacteria and fungi were also assessed by dilution plating. Seed bacterization with B-2 UI-1 and B caused significant increases in shoot height and shoot dry weights of onion seedlings over controls. Only UI-2 caused a significant increase in root dry weight. All of the strains survived in seedling rhizopheres in substantial numbers, but there were marked differences among the strains. Overall, UI-2 and B were comparatively good colonizers, UI-1 and W were intermediate and B-2 was poor. Seed bacterization treatments significantly reduced indigenous bacterial and fungal populations in seedling rhizospheres. Promotion of onion seedling growth by seed bacterization was not correlated with the relative persistance of the introduced bacterium, but may be related to the ability of the introduced bacterium to reduce components of the indigenous rhizosphere microflora.</description><identifier>ISSN: 0038-0717</identifier><identifier>EISSN: 1879-3428</identifier><identifier>DOI: 10.1016/0038-0717(89)90147-8</identifier><identifier>CODEN: SBIOAH</identifier><language>eng</language><publisher>Oxford: Elsevier Ltd</publisher><subject>Agronomy. Soil science and plant productions ; Allium cepa ; Bacillus subtilis ; bacteria ; Biochemistry and biology ; Biological and medical sciences ; Biological control ; Chemical, physicochemical, biochemical and biological properties ; colonizing ability ; Control ; disease control ; Fundamental and applied biological sciences. Psychology ; Fungal plant pathogens ; growth ; muck soils ; Physics, chemistry, biochemistry and biology of agricultural and forest soils ; Phytopathology. Animal pests. Plant and forest protection ; population dynamics ; rhizosphere ; rhizosphere microorganisms ; Sclerotium cepivorum ; seed inoculation ; seedlings ; seeds ; soil microorganisms ; Soil science ; strains</subject><ispartof>Soil biology & biochemistry, 1989, Vol.21 (3), p.379-383</ispartof><rights>1989</rights><rights>1990 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c388t-c4107748e8265fede3464ee7f5a49891628cb9be4f1e571828c26d7417bfc05e3</citedby><cites>FETCH-LOGICAL-c388t-c4107748e8265fede3464ee7f5a49891628cb9be4f1e571828c26d7417bfc05e3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/0038-0717(89)90147-8$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3536,4009,27902,27903,27904,45974</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=6614306$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Reddy, M.S.</creatorcontrib><creatorcontrib>Rahe, J.E.</creatorcontrib><title>Bacillus subtilis B-2 and selected onion rhizobacteria in onion seedling rhizospheres: Effects on seedling growth and indigenous rhizosphere microflora</title><title>Soil biology & biochemistry</title><description>Marked strains of
Bacillus subtilis B-2 and four selected rhizobacteria were introduced into onion rhizospheres by seed bacterization. Their effects on plant growth and their populations in root surface and root zone soil environments of field-grown onions were estimated 30 days following sowing. Populations of indigenous rhizosphere bacteria and fungi were also assessed by dilution plating. Seed bacterization with B-2 UI-1 and B caused significant increases in shoot height and shoot dry weights of onion seedlings over controls. Only UI-2 caused a significant increase in root dry weight. All of the strains survived in seedling rhizopheres in substantial numbers, but there were marked differences among the strains. Overall, UI-2 and B were comparatively good colonizers, UI-1 and W were intermediate and B-2 was poor. Seed bacterization treatments significantly reduced indigenous bacterial and fungal populations in seedling rhizospheres. Promotion of onion seedling growth by seed bacterization was not correlated with the relative persistance of the introduced bacterium, but may be related to the ability of the introduced bacterium to reduce components of the indigenous rhizosphere microflora.</description><subject>Agronomy. Soil science and plant productions</subject><subject>Allium cepa</subject><subject>Bacillus subtilis</subject><subject>bacteria</subject><subject>Biochemistry and biology</subject><subject>Biological and medical sciences</subject><subject>Biological control</subject><subject>Chemical, physicochemical, biochemical and biological properties</subject><subject>colonizing ability</subject><subject>Control</subject><subject>disease control</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Fungal plant pathogens</subject><subject>growth</subject><subject>muck soils</subject><subject>Physics, chemistry, biochemistry and biology of agricultural and forest soils</subject><subject>Phytopathology. Animal pests. Plant and forest protection</subject><subject>population dynamics</subject><subject>rhizosphere</subject><subject>rhizosphere microorganisms</subject><subject>Sclerotium cepivorum</subject><subject>seed inoculation</subject><subject>seedlings</subject><subject>seeds</subject><subject>soil microorganisms</subject><subject>Soil science</subject><subject>strains</subject><issn>0038-0717</issn><issn>1879-3428</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1989</creationdate><recordtype>article</recordtype><recordid>eNp9kc2KFDEUhYMo2I6-gWAWIroozV8lKReCM4w_MOBCZx1SqZvuSDppk2pFX8TXNTXVDLNyFXLznZPDuQg9peQ1JVS-IYTrjiiqXurh1UCoUJ2-hzZUq6Hjgun7aHOLPESPav1OCGE95Rv099y6EOOx4noc5xBDxecdwzZNuEIEN8OEcwo54bILf_Jo26QEi0M6jSvAFEParu_1sIMC9S2-9L6JK75LbEv-Ne9uvEOawhZSbv_e0eF9cCX7mIt9jB54Gys8OZ1n6PrD5beLT93Vl4-fL95fdY5rPXdOUKKU0KCZ7D1MwIUUAMr3Vgx6oJJpNw4jCE-hV1S3K5OTElSN3pEe-Bl6sfoeSv5xhDqbfagOYrQJWjpDe9YLxXUDxQq2hLUW8OZQwt6W34YSs2zBLBWbpWKjB3OzBbPInp_8bXU2-mKTC_VWKyUVnMiGPVsxb7Ox29KQ66-MUE6Y1IT0i9G7lYDWxs8AxVQXIDmYQmlNmymH_yf5B06Gp5w</recordid><startdate>1989</startdate><enddate>1989</enddate><creator>Reddy, M.S.</creator><creator>Rahe, J.E.</creator><general>Elsevier Ltd</general><general>Elsevier Science</general><scope>FBQ</scope><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QL</scope><scope>7QO</scope><scope>7SN</scope><scope>7T7</scope><scope>8FD</scope><scope>C1K</scope><scope>FR3</scope><scope>P64</scope></search><sort><creationdate>1989</creationdate><title>Bacillus subtilis B-2 and selected onion rhizobacteria in onion seedling rhizospheres: Effects on seedling growth and indigenous rhizosphere microflora</title><author>Reddy, M.S. ; Rahe, J.E.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c388t-c4107748e8265fede3464ee7f5a49891628cb9be4f1e571828c26d7417bfc05e3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1989</creationdate><topic>Agronomy. Soil science and plant productions</topic><topic>Allium cepa</topic><topic>Bacillus subtilis</topic><topic>bacteria</topic><topic>Biochemistry and biology</topic><topic>Biological and medical sciences</topic><topic>Biological control</topic><topic>Chemical, physicochemical, biochemical and biological properties</topic><topic>colonizing ability</topic><topic>Control</topic><topic>disease control</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>Fungal plant pathogens</topic><topic>growth</topic><topic>muck soils</topic><topic>Physics, chemistry, biochemistry and biology of agricultural and forest soils</topic><topic>Phytopathology. Animal pests. Plant and forest protection</topic><topic>population dynamics</topic><topic>rhizosphere</topic><topic>rhizosphere microorganisms</topic><topic>Sclerotium cepivorum</topic><topic>seed inoculation</topic><topic>seedlings</topic><topic>seeds</topic><topic>soil microorganisms</topic><topic>Soil science</topic><topic>strains</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Reddy, M.S.</creatorcontrib><creatorcontrib>Rahe, J.E.</creatorcontrib><collection>AGRIS</collection><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Bacteriology Abstracts (Microbiology B)</collection><collection>Biotechnology Research Abstracts</collection><collection>Ecology Abstracts</collection><collection>Industrial and Applied Microbiology Abstracts (Microbiology A)</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Engineering Research Database</collection><collection>Biotechnology and BioEngineering Abstracts</collection><jtitle>Soil biology & biochemistry</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Reddy, M.S.</au><au>Rahe, J.E.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Bacillus subtilis B-2 and selected onion rhizobacteria in onion seedling rhizospheres: Effects on seedling growth and indigenous rhizosphere microflora</atitle><jtitle>Soil biology & biochemistry</jtitle><date>1989</date><risdate>1989</risdate><volume>21</volume><issue>3</issue><spage>379</spage><epage>383</epage><pages>379-383</pages><issn>0038-0717</issn><eissn>1879-3428</eissn><coden>SBIOAH</coden><abstract>Marked strains of
Bacillus subtilis B-2 and four selected rhizobacteria were introduced into onion rhizospheres by seed bacterization. Their effects on plant growth and their populations in root surface and root zone soil environments of field-grown onions were estimated 30 days following sowing. Populations of indigenous rhizosphere bacteria and fungi were also assessed by dilution plating. Seed bacterization with B-2 UI-1 and B caused significant increases in shoot height and shoot dry weights of onion seedlings over controls. Only UI-2 caused a significant increase in root dry weight. All of the strains survived in seedling rhizopheres in substantial numbers, but there were marked differences among the strains. Overall, UI-2 and B were comparatively good colonizers, UI-1 and W were intermediate and B-2 was poor. Seed bacterization treatments significantly reduced indigenous bacterial and fungal populations in seedling rhizospheres. Promotion of onion seedling growth by seed bacterization was not correlated with the relative persistance of the introduced bacterium, but may be related to the ability of the introduced bacterium to reduce components of the indigenous rhizosphere microflora.</abstract><cop>Oxford</cop><cop>New York, NY</cop><pub>Elsevier Ltd</pub><doi>10.1016/0038-0717(89)90147-8</doi><tpages>5</tpages></addata></record> |
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| ispartof | Soil biology & biochemistry, 1989, Vol.21 (3), p.379-383 |
| issn | 0038-0717 1879-3428 |
| language | eng |
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| source | Elsevier ScienceDirect Journals |
| subjects | Agronomy. Soil science and plant productions Allium cepa Bacillus subtilis bacteria Biochemistry and biology Biological and medical sciences Biological control Chemical, physicochemical, biochemical and biological properties colonizing ability Control disease control Fundamental and applied biological sciences. Psychology Fungal plant pathogens growth muck soils Physics, chemistry, biochemistry and biology of agricultural and forest soils Phytopathology. Animal pests. Plant and forest protection population dynamics rhizosphere rhizosphere microorganisms Sclerotium cepivorum seed inoculation seedlings seeds soil microorganisms Soil science strains |
| title | Bacillus subtilis B-2 and selected onion rhizobacteria in onion seedling rhizospheres: Effects on seedling growth and indigenous rhizosphere microflora |
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