Survival of rhizobia on arrowleaf clover seeds under stresses of seed-coat toxins, heat and desiccation
Eighteen strains of Rhizobium leguminosarum bv. trifolii that had been found to be heat-and desiccation-stress tolerant in soil were tested for their resistance to Trifolium vesiculosum, Savi (arrowleaf clover) coat toxins using an agar plate technique and for survival on seed. They were further tes...
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| Veröffentlicht in: | Plant and soil 2000, Vol.218 (1/2), p.43-47 |
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| creator | Trotman, A.P Weaver, R.W |
| description | Eighteen strains of Rhizobium leguminosarum bv. trifolii that had been found to be heat-and desiccation-stress tolerant in soil were tested for their resistance to Trifolium vesiculosum, Savi (arrowleaf clover) coat toxins using an agar plate technique and for survival on seed. They were further tested for their tolerance to seed coat toxins in combination with heat and desiccation stresses. The zone of inhibition in agar ranged from no inhibition to 21 mm diameter of growth inhibition around seed. Inoculation on seed under conditions of 28 °C and 100% relative humidity for 7 days resulted in a range of survival from nearly 100% to less than 1%. The correlation between zone of growth inhibition and survival on seed was not statistically significant. Strains that were desiccation or heat tolerant in soil were not necessarily desiccation or heat tolerant on seed but strains that were heat tolerant in soil were better able to survive on glass beads at 37 °C than strains that were not heat tolerant in soil. The zone of rhizobial inhibition on an agar medium was not a valid method to screen for isolates better able to survive on seed and the ability of rhizobia to withstand heat or drought stress on seed was not related to their ability to survive in soil. |
| doi_str_mv | 10.1023/A:1014968413310 |
| format | Article |
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They were further tested for their tolerance to seed coat toxins in combination with heat and desiccation stresses. The zone of inhibition in agar ranged from no inhibition to 21 mm diameter of growth inhibition around seed. Inoculation on seed under conditions of 28 °C and 100% relative humidity for 7 days resulted in a range of survival from nearly 100% to less than 1%. The correlation between zone of growth inhibition and survival on seed was not statistically significant. Strains that were desiccation or heat tolerant in soil were not necessarily desiccation or heat tolerant on seed but strains that were heat tolerant in soil were better able to survive on glass beads at 37 °C than strains that were not heat tolerant in soil. The zone of rhizobial inhibition on an agar medium was not a valid method to screen for isolates better able to survive on seed and the ability of rhizobia to withstand heat or drought stress on seed was not related to their ability to survive in soil.</description><identifier>ISSN: 0032-079X</identifier><identifier>EISSN: 1573-5036</identifier><identifier>DOI: 10.1023/A:1014968413310</identifier><identifier>CODEN: PLSOA2</identifier><language>eng</language><publisher>Dordrecht: Kluwer Academic Publishers</publisher><subject>Agricultural soils ; Agronomy. Soil science and plant productions ; Bacteria ; Biological and medical sciences ; Clover ; Desiccation ; Drought ; Economic plant physiology ; Fundamental and applied biological sciences. Psychology ; heat ; heat resistance ; heat stress ; Heat tolerance ; Humidity ; mortality ; phytotoxins ; Relative humidity ; Rhizobium leguminosarum ; seed inoculation ; Seeds ; Soil toxicity ; Soil water ; Soils ; stress ; Survival ; Symbiosis (nodules, symbiotic nitrogen fixation, mycorrhiza...) ; Testa ; Toxicity ; Toxins ; Trifolium vesiculosum</subject><ispartof>Plant and soil, 2000, Vol.218 (1/2), p.43-47</ispartof><rights>1999 Kluwer Academic Publishers</rights><rights>2000 INIST-CNRS</rights><rights>Kluwer Academic Publishers 2000</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.jstor.org/stable/pdf/42950638$$EPDF$$P50$$Gjstor$$H</linktopdf><linktohtml>$$Uhttps://www.jstor.org/stable/42950638$$EHTML$$P50$$Gjstor$$H</linktohtml><link.rule.ids>314,776,780,799,4010,27900,27901,27902,57992,58225</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=1295644$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Trotman, A.P</creatorcontrib><creatorcontrib>Weaver, R.W</creatorcontrib><title>Survival of rhizobia on arrowleaf clover seeds under stresses of seed-coat toxins, heat and desiccation</title><title>Plant and soil</title><description>Eighteen strains of Rhizobium leguminosarum bv. trifolii that had been found to be heat-and desiccation-stress tolerant in soil were tested for their resistance to Trifolium vesiculosum, Savi (arrowleaf clover) coat toxins using an agar plate technique and for survival on seed. They were further tested for their tolerance to seed coat toxins in combination with heat and desiccation stresses. The zone of inhibition in agar ranged from no inhibition to 21 mm diameter of growth inhibition around seed. Inoculation on seed under conditions of 28 °C and 100% relative humidity for 7 days resulted in a range of survival from nearly 100% to less than 1%. The correlation between zone of growth inhibition and survival on seed was not statistically significant. Strains that were desiccation or heat tolerant in soil were not necessarily desiccation or heat tolerant on seed but strains that were heat tolerant in soil were better able to survive on glass beads at 37 °C than strains that were not heat tolerant in soil. The zone of rhizobial inhibition on an agar medium was not a valid method to screen for isolates better able to survive on seed and the ability of rhizobia to withstand heat or drought stress on seed was not related to their ability to survive in soil.</description><subject>Agricultural soils</subject><subject>Agronomy. Soil science and plant productions</subject><subject>Bacteria</subject><subject>Biological and medical sciences</subject><subject>Clover</subject><subject>Desiccation</subject><subject>Drought</subject><subject>Economic plant physiology</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>heat</subject><subject>heat resistance</subject><subject>heat stress</subject><subject>Heat tolerance</subject><subject>Humidity</subject><subject>mortality</subject><subject>phytotoxins</subject><subject>Relative humidity</subject><subject>Rhizobium leguminosarum</subject><subject>seed inoculation</subject><subject>Seeds</subject><subject>Soil toxicity</subject><subject>Soil water</subject><subject>Soils</subject><subject>stress</subject><subject>Survival</subject><subject>Symbiosis (nodules, symbiotic nitrogen fixation, mycorrhiza...)</subject><subject>Testa</subject><subject>Toxicity</subject><subject>Toxins</subject><subject>Trifolium vesiculosum</subject><issn>0032-079X</issn><issn>1573-5036</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2000</creationdate><recordtype>article</recordtype><sourceid>BENPR</sourceid><recordid>eNpdjs1v1DAQxS1EJZaWMyeEhRAnAuNvp7eq4kuq1EOpxC2adcatV2lc7GSh_PUk2ooDp5k37zdvhrGXAj4IkOrj2akAoVvrtVBKwBO2EcapxoCyT9kGQMkGXPvjGXte6w5WLeyG3VzNZZ_2OPAceblNf_I2Ic8jx1Lyr4Ew8jDkPRVeifrK57Ff-6lQrVTXpXXehIwTn_LvNNb3_JYWgWPPe6opBJxSHk_YUcSh0ovHesyuP3_6fv61ubj88u387KKJ0tupsQ6cM601UbaCxFaaXrZAJgoTwEfhyRE436M3IcA2avRklfKtBoUCrTpm7w659yX_nKlO3V2qgYYBR8pz7YTTZrmgFvDNf-Auz2VcfuucEVJKkGva20cIa8AhFhxDqt19SXdYHjohW2O1XrBXB2xXp1z-2XqxwSq_-K8PfsTc4U1ZIq6vJAgFK6GdVn8B4dCFKg</recordid><startdate>2000</startdate><enddate>2000</enddate><creator>Trotman, A.P</creator><creator>Weaver, R.W</creator><general>Kluwer Academic Publishers</general><general>Springer</general><general>Springer Nature B.V</general><scope>FBQ</scope><scope>IQODW</scope><scope>3V.</scope><scope>7SN</scope><scope>7ST</scope><scope>7T7</scope><scope>7X2</scope><scope>88A</scope><scope>8FD</scope><scope>8FE</scope><scope>8FH</scope><scope>8FK</scope><scope>ABUWG</scope><scope>AEUYN</scope><scope>AFKRA</scope><scope>ATCPS</scope><scope>AZQEC</scope><scope>BBNVY</scope><scope>BENPR</scope><scope>BHPHI</scope><scope>C1K</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>FR3</scope><scope>GNUQQ</scope><scope>HCIFZ</scope><scope>LK8</scope><scope>M0K</scope><scope>M7P</scope><scope>P64</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>RC3</scope><scope>SOI</scope></search><sort><creationdate>2000</creationdate><title>Survival of rhizobia on arrowleaf clover seeds under stresses of seed-coat toxins, heat and desiccation</title><author>Trotman, A.P ; Weaver, R.W</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-f286t-670775965f291e1b25d290e5f15c08f18e7e078da85cc0bf4a8e63389403a1a63</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2000</creationdate><topic>Agricultural soils</topic><topic>Agronomy. 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They were further tested for their tolerance to seed coat toxins in combination with heat and desiccation stresses. The zone of inhibition in agar ranged from no inhibition to 21 mm diameter of growth inhibition around seed. Inoculation on seed under conditions of 28 °C and 100% relative humidity for 7 days resulted in a range of survival from nearly 100% to less than 1%. The correlation between zone of growth inhibition and survival on seed was not statistically significant. Strains that were desiccation or heat tolerant in soil were not necessarily desiccation or heat tolerant on seed but strains that were heat tolerant in soil were better able to survive on glass beads at 37 °C than strains that were not heat tolerant in soil. The zone of rhizobial inhibition on an agar medium was not a valid method to screen for isolates better able to survive on seed and the ability of rhizobia to withstand heat or drought stress on seed was not related to their ability to survive in soil.</abstract><cop>Dordrecht</cop><pub>Kluwer Academic Publishers</pub><doi>10.1023/A:1014968413310</doi><tpages>5</tpages></addata></record> |
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| ispartof | Plant and soil, 2000, Vol.218 (1/2), p.43-47 |
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| source | Jstor Complete Legacy; SpringerLink Journals |
| subjects | Agricultural soils Agronomy. Soil science and plant productions Bacteria Biological and medical sciences Clover Desiccation Drought Economic plant physiology Fundamental and applied biological sciences. Psychology heat heat resistance heat stress Heat tolerance Humidity mortality phytotoxins Relative humidity Rhizobium leguminosarum seed inoculation Seeds Soil toxicity Soil water Soils stress Survival Symbiosis (nodules, symbiotic nitrogen fixation, mycorrhiza...) Testa Toxicity Toxins Trifolium vesiculosum |
| title | Survival of rhizobia on arrowleaf clover seeds under stresses of seed-coat toxins, heat and desiccation |
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