Effect of foliar‐applied potassium silicate on coffee leaf infection by Hemileia vastatrix
Coffee leaf rust, caused by Hemileia vastatrix, is the most devastating disease of coffee. Since limited information is available in the literature on silicon (Si) affecting plant diseases in coffee, this study was designed to investigate foliar application of potassium silicate (PS), a source of so...
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Veröffentlicht in: | Annals of applied biology 2014-05, Vol.164 (3), p.396-403 |
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description | Coffee leaf rust, caused by Hemileia vastatrix, is the most devastating disease of coffee. Since limited information is available in the literature on silicon (Si) affecting plant diseases in coffee, this study was designed to investigate foliar application of potassium silicate (PS), a source of soluble (Si), on infection process of coffee leaf rust at the microscopic level. The foliar Si concentration for plants sprayed with water and PS has no significant difference (0.24 and 0.30 dag kg⁻¹, respectively). X‐ray microanalysis indicated that the deposition of Si on the leaves of the plants that were sprayed with PS was greater in comparison to the leaf samples from the plants sprayed with water. Rust severity on leaves of plants sprayed with water or sprayed with PS reached 44% and 32%, respectively, at 36 days after inoculation (dai). Plates of polymerised PS were observed on the leaf surfaces of the plants sprayed with the product, in contrast to its absence on the leaf surfaces of plants sprayed with water. At 36 dai, a greater number of uredia were observed on the leaf surfaces of plants sprayed with water in comparison to the leaf surfaces of plants sprayed with PS. On fractured leaf tissues that were sprayed with PS, less fungal colonisation was observed in comparison to the leaves of plants sprayed with water. In conclusion, the results of this study suggest that the effect of foliar‐applied Si on the control of the coffee leaf rust development may be attributed to the physical role of the polymerised PS, its osmotic effect against urediniospores germination, or both. |
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Since limited information is available in the literature on silicon (Si) affecting plant diseases in coffee, this study was designed to investigate foliar application of potassium silicate (PS), a source of soluble (Si), on infection process of coffee leaf rust at the microscopic level. The foliar Si concentration for plants sprayed with water and PS has no significant difference (0.24 and 0.30 dag kg⁻¹, respectively). X‐ray microanalysis indicated that the deposition of Si on the leaves of the plants that were sprayed with PS was greater in comparison to the leaf samples from the plants sprayed with water. Rust severity on leaves of plants sprayed with water or sprayed with PS reached 44% and 32%, respectively, at 36 days after inoculation (dai). Plates of polymerised PS were observed on the leaf surfaces of the plants sprayed with the product, in contrast to its absence on the leaf surfaces of plants sprayed with water. At 36 dai, a greater number of uredia were observed on the leaf surfaces of plants sprayed with water in comparison to the leaf surfaces of plants sprayed with PS. On fractured leaf tissues that were sprayed with PS, less fungal colonisation was observed in comparison to the leaves of plants sprayed with water. In conclusion, the results of this study suggest that the effect of foliar‐applied Si on the control of the coffee leaf rust development may be attributed to the physical role of the polymerised PS, its osmotic effect against urediniospores germination, or both.</description><identifier>ISSN: 0003-4746</identifier><identifier>EISSN: 1744-7348</identifier><identifier>DOI: 10.1111/aab.12109</identifier><identifier>CODEN: AABIAV</identifier><language>eng</language><publisher>Oxford, UK: Blackwell Publishing Ltd</publisher><subject>Agronomy. Soil science and plant productions ; Biological and medical sciences ; Coffea arabica L ; Coffee ; foliar application ; Fundamental and applied biological sciences. Psychology ; fungi ; germination ; Hemileia vastatrix ; leaf rust ; Leaves ; mineral nutrition ; Phytopathology. Animal pests. Plant and forest protection ; Plant diseases ; Plant tissues ; Plants ; polymerization ; Potassium ; rust ; scanning electron microscopy ; silicon ; urediniospores</subject><ispartof>Annals of applied biology, 2014-05, Vol.164 (3), p.396-403</ispartof><rights>2014 Association of Applied Biologists</rights><rights>2015 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c3899-4b757309c24f70cd6457ccd724f9b6a304afcfa58d52fb06ccddf681e530a8b03</citedby><cites>FETCH-LOGICAL-c3899-4b757309c24f70cd6457ccd724f9b6a304afcfa58d52fb06ccddf681e530a8b03</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1111%2Faab.12109$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1111%2Faab.12109$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>315,781,785,1418,27928,27929,45578,45579</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=28361791$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Carré‐Missio, V</creatorcontrib><creatorcontrib>Rodrigues, F.A</creatorcontrib><creatorcontrib>Schurt, D.A</creatorcontrib><creatorcontrib>Resende, R.S</creatorcontrib><creatorcontrib>Souza, N.F.A</creatorcontrib><creatorcontrib>Rezende, D.C</creatorcontrib><creatorcontrib>Moreira, W.R</creatorcontrib><creatorcontrib>Zambolim, L</creatorcontrib><title>Effect of foliar‐applied potassium silicate on coffee leaf infection by Hemileia vastatrix</title><title>Annals of applied biology</title><addtitle>Ann Appl Biol</addtitle><description>Coffee leaf rust, caused by Hemileia vastatrix, is the most devastating disease of coffee. Since limited information is available in the literature on silicon (Si) affecting plant diseases in coffee, this study was designed to investigate foliar application of potassium silicate (PS), a source of soluble (Si), on infection process of coffee leaf rust at the microscopic level. The foliar Si concentration for plants sprayed with water and PS has no significant difference (0.24 and 0.30 dag kg⁻¹, respectively). X‐ray microanalysis indicated that the deposition of Si on the leaves of the plants that were sprayed with PS was greater in comparison to the leaf samples from the plants sprayed with water. Rust severity on leaves of plants sprayed with water or sprayed with PS reached 44% and 32%, respectively, at 36 days after inoculation (dai). Plates of polymerised PS were observed on the leaf surfaces of the plants sprayed with the product, in contrast to its absence on the leaf surfaces of plants sprayed with water. At 36 dai, a greater number of uredia were observed on the leaf surfaces of plants sprayed with water in comparison to the leaf surfaces of plants sprayed with PS. On fractured leaf tissues that were sprayed with PS, less fungal colonisation was observed in comparison to the leaves of plants sprayed with water. In conclusion, the results of this study suggest that the effect of foliar‐applied Si on the control of the coffee leaf rust development may be attributed to the physical role of the polymerised PS, its osmotic effect against urediniospores germination, or both.</description><subject>Agronomy. Soil science and plant productions</subject><subject>Biological and medical sciences</subject><subject>Coffea arabica L</subject><subject>Coffee</subject><subject>foliar application</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>fungi</subject><subject>germination</subject><subject>Hemileia vastatrix</subject><subject>leaf rust</subject><subject>Leaves</subject><subject>mineral nutrition</subject><subject>Phytopathology. Animal pests. Plant and forest protection</subject><subject>Plant diseases</subject><subject>Plant tissues</subject><subject>Plants</subject><subject>polymerization</subject><subject>Potassium</subject><subject>rust</subject><subject>scanning electron microscopy</subject><subject>silicon</subject><subject>urediniospores</subject><issn>0003-4746</issn><issn>1744-7348</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2014</creationdate><recordtype>article</recordtype><recordid>eNp1kMFu1DAQhi0EEkvh0CfAUtUDh7Tj2LGT43bptkgVPdCKHipZE8dGbrPrYGehe-MReEaepF5SesMXazzf_4_nJ2SfwRHL5xixPWIlg-YFmTElRKG4qF-SGQDwQighX5M3Kd3lsoGmnJHbU-esGWlw1IXeY_zz6zcOQ-9tR4cwYkp-s6LJ997gaGlYUxOywtLeoqN-vRP7_Npu6bld-d56pD8wjThG__CWvHLYJ_vu6d4j18vTq8V5cXF59mkxvygMr5umEK2qFIfGlMIpMJ0UlTKmU7lsWokcBDrjsKq7qnQtyNzrnKyZrThg3QLfIweT7xDD941No74Lm7jOIzWrmKhLALGjPkyUiSGlaJ0eol9h3GoGeheezuHpv-Fl9vDJEZPB3kVcG5-eBWXNJVMNy9zxxP3Mq2__b6jn85N_zsWk8Gm0D88KjPdaKq4q_fXzmV4srm5uPi6Xejfh_cQ7DBq_xfyL6y8lMAHApFAg-SNygJbP</recordid><startdate>201405</startdate><enddate>201405</enddate><creator>Carré‐Missio, V</creator><creator>Rodrigues, F.A</creator><creator>Schurt, D.A</creator><creator>Resende, R.S</creator><creator>Souza, N.F.A</creator><creator>Rezende, D.C</creator><creator>Moreira, W.R</creator><creator>Zambolim, L</creator><general>Blackwell Publishing Ltd</general><general>Blackwell</general><general>Wiley Subscription Services, Inc</general><scope>FBQ</scope><scope>BSCLL</scope><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QL</scope><scope>7QR</scope><scope>7SN</scope><scope>7SS</scope><scope>7T7</scope><scope>7TM</scope><scope>7U9</scope><scope>8FD</scope><scope>C1K</scope><scope>FR3</scope><scope>H94</scope><scope>M7N</scope><scope>P64</scope></search><sort><creationdate>201405</creationdate><title>Effect of foliar‐applied potassium silicate on coffee leaf infection by Hemileia vastatrix</title><author>Carré‐Missio, V ; Rodrigues, F.A ; Schurt, D.A ; Resende, R.S ; Souza, N.F.A ; Rezende, D.C ; Moreira, W.R ; Zambolim, L</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c3899-4b757309c24f70cd6457ccd724f9b6a304afcfa58d52fb06ccddf681e530a8b03</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2014</creationdate><topic>Agronomy. Soil science and plant productions</topic><topic>Biological and medical sciences</topic><topic>Coffea arabica L</topic><topic>Coffee</topic><topic>foliar application</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>fungi</topic><topic>germination</topic><topic>Hemileia vastatrix</topic><topic>leaf rust</topic><topic>Leaves</topic><topic>mineral nutrition</topic><topic>Phytopathology. Animal pests. Plant and forest protection</topic><topic>Plant diseases</topic><topic>Plant tissues</topic><topic>Plants</topic><topic>polymerization</topic><topic>Potassium</topic><topic>rust</topic><topic>scanning electron microscopy</topic><topic>silicon</topic><topic>urediniospores</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Carré‐Missio, V</creatorcontrib><creatorcontrib>Rodrigues, F.A</creatorcontrib><creatorcontrib>Schurt, D.A</creatorcontrib><creatorcontrib>Resende, R.S</creatorcontrib><creatorcontrib>Souza, N.F.A</creatorcontrib><creatorcontrib>Rezende, D.C</creatorcontrib><creatorcontrib>Moreira, W.R</creatorcontrib><creatorcontrib>Zambolim, L</creatorcontrib><collection>AGRIS</collection><collection>Istex</collection><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Bacteriology Abstracts (Microbiology B)</collection><collection>Chemoreception Abstracts</collection><collection>Ecology Abstracts</collection><collection>Entomology Abstracts (Full archive)</collection><collection>Industrial and Applied Microbiology Abstracts (Microbiology A)</collection><collection>Nucleic Acids Abstracts</collection><collection>Virology and AIDS Abstracts</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Engineering Research Database</collection><collection>AIDS and Cancer Research Abstracts</collection><collection>Algology Mycology and Protozoology Abstracts (Microbiology C)</collection><collection>Biotechnology and BioEngineering Abstracts</collection><jtitle>Annals of applied biology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Carré‐Missio, V</au><au>Rodrigues, F.A</au><au>Schurt, D.A</au><au>Resende, R.S</au><au>Souza, N.F.A</au><au>Rezende, D.C</au><au>Moreira, W.R</au><au>Zambolim, L</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Effect of foliar‐applied potassium silicate on coffee leaf infection by Hemileia vastatrix</atitle><jtitle>Annals of applied biology</jtitle><addtitle>Ann Appl Biol</addtitle><date>2014-05</date><risdate>2014</risdate><volume>164</volume><issue>3</issue><spage>396</spage><epage>403</epage><pages>396-403</pages><issn>0003-4746</issn><eissn>1744-7348</eissn><coden>AABIAV</coden><abstract>Coffee leaf rust, caused by Hemileia vastatrix, is the most devastating disease of coffee. Since limited information is available in the literature on silicon (Si) affecting plant diseases in coffee, this study was designed to investigate foliar application of potassium silicate (PS), a source of soluble (Si), on infection process of coffee leaf rust at the microscopic level. The foliar Si concentration for plants sprayed with water and PS has no significant difference (0.24 and 0.30 dag kg⁻¹, respectively). X‐ray microanalysis indicated that the deposition of Si on the leaves of the plants that were sprayed with PS was greater in comparison to the leaf samples from the plants sprayed with water. Rust severity on leaves of plants sprayed with water or sprayed with PS reached 44% and 32%, respectively, at 36 days after inoculation (dai). Plates of polymerised PS were observed on the leaf surfaces of the plants sprayed with the product, in contrast to its absence on the leaf surfaces of plants sprayed with water. At 36 dai, a greater number of uredia were observed on the leaf surfaces of plants sprayed with water in comparison to the leaf surfaces of plants sprayed with PS. On fractured leaf tissues that were sprayed with PS, less fungal colonisation was observed in comparison to the leaves of plants sprayed with water. In conclusion, the results of this study suggest that the effect of foliar‐applied Si on the control of the coffee leaf rust development may be attributed to the physical role of the polymerised PS, its osmotic effect against urediniospores germination, or both.</abstract><cop>Oxford, UK</cop><pub>Blackwell Publishing Ltd</pub><doi>10.1111/aab.12109</doi><tpages>8</tpages></addata></record> |
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subjects | Agronomy. Soil science and plant productions Biological and medical sciences Coffea arabica L Coffee foliar application Fundamental and applied biological sciences. Psychology fungi germination Hemileia vastatrix leaf rust Leaves mineral nutrition Phytopathology. Animal pests. Plant and forest protection Plant diseases Plant tissues Plants polymerization Potassium rust scanning electron microscopy silicon urediniospores |
title | Effect of foliar‐applied potassium silicate on coffee leaf infection by Hemileia vastatrix |
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