Influence of site and rate of low-volume aerial phosphite spray on lesion development of Phytophthora cinnamomi and phosphite persistence in Lambertia inermis var. inermis and Banksia grandis
The influence of site on effectiveness of low-volume spray of phosphite for the control of Phytophthora cinnamomi was compared between sites differing in soil nutrient status. The sites ranged from infertile deep grey sands to a red loam in the Esperance Plains bioregion, and infertile gravelly sand...
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| Veröffentlicht in: | Australasian plant pathology 2009-01, Vol.38 (3), p.288-304 |
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| description | The influence of site on effectiveness of low-volume spray of phosphite for the control of Phytophthora cinnamomi was compared between sites differing in soil nutrient status. The sites ranged from infertile deep grey sands to a red loam in the Esperance Plains bioregion, and infertile gravelly sand of the Havel site-vegetation type P to a red loam of Havel site-vegetation type Q in the northern Jarrah Forest bioregion. Following low-volume spray of 0, 24 or 48 kg phosphite/ha, phosphite effectiveness was determined from assessment of rate of colonisation and inhibition of stem colonisation by P. cinnamomi , and stem phosphite concentration in challenge inoculation stems of Lambertia inermis var. inermis in Esperance Plains bioregion sites and Banksia grandis in Jarrah Forest bioregion sites. Phosphite effectiveness was mainly influenced by plant species rather than site. Phosphite spray significantly controlled P. cinnamomi colonisation in B. grandis , but not in L . inermis var. inermis . Site had no consistent influence on the effect of phosphite on P. cinnamomi despite large differences in soil nutrient status between sites. Differences between sites and site ranking changed with inoculation time and rate of phosphite spray, and duplicate sites differed significantly from each other. Site, rate of phosphite spray, time after spray and plant species significantly affected stem phosphite concentrations. In both Esperance Plains bioregion and Jarrah Forest bioregion sites, stem phosphite concentrations were greatest in fertile loam sites and least in infertile sand or gravelly sand sites. Stem phosphite concentrations increased with rate of phosphite spray with concentrations in stems receiving 48 kg phosphite/ha being 1.2 to 3-times-greater than that in stem sprayed with 24 kg phosphite/ha. Six months after low-volume spray, phosphite concentrations in L. inermis var. inermis stems had declined for all sites and spray rates to only 4–17% of original concentrations. Decline of phosphite concentrations in B. grandis stems was slower than that for L. inermis var. inermis stems. The results indicate that effectiveness of phosphite against P. cinnamomi infection in different communities will depend more on plant species composition than soil nutrient status. Differences in phosphite effectiveness between plant species may be related to differences in phosphite concentration thresholds yet to be quantified, above which tissue concentrations must be achieved b |
| doi_str_mv | 10.1071/AP09005 |
| format | Article |
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The sites ranged from infertile deep grey sands to a red loam in the Esperance Plains bioregion, and infertile gravelly sand of the Havel site-vegetation type P to a red loam of Havel site-vegetation type Q in the northern Jarrah Forest bioregion. Following low-volume spray of 0, 24 or 48 kg phosphite/ha, phosphite effectiveness was determined from assessment of rate of colonisation and inhibition of stem colonisation by P. cinnamomi , and stem phosphite concentration in challenge inoculation stems of Lambertia inermis var. inermis in Esperance Plains bioregion sites and Banksia grandis in Jarrah Forest bioregion sites. Phosphite effectiveness was mainly influenced by plant species rather than site. Phosphite spray significantly controlled P. cinnamomi colonisation in B. grandis , but not in L . inermis var. inermis . Site had no consistent influence on the effect of phosphite on P. cinnamomi despite large differences in soil nutrient status between sites. Differences between sites and site ranking changed with inoculation time and rate of phosphite spray, and duplicate sites differed significantly from each other. Site, rate of phosphite spray, time after spray and plant species significantly affected stem phosphite concentrations. In both Esperance Plains bioregion and Jarrah Forest bioregion sites, stem phosphite concentrations were greatest in fertile loam sites and least in infertile sand or gravelly sand sites. Stem phosphite concentrations increased with rate of phosphite spray with concentrations in stems receiving 48 kg phosphite/ha being 1.2 to 3-times-greater than that in stem sprayed with 24 kg phosphite/ha. Six months after low-volume spray, phosphite concentrations in L. inermis var. inermis stems had declined for all sites and spray rates to only 4–17% of original concentrations. Decline of phosphite concentrations in B. grandis stems was slower than that for L. inermis var. inermis stems. The results indicate that effectiveness of phosphite against P. cinnamomi infection in different communities will depend more on plant species composition than soil nutrient status. Differences in phosphite effectiveness between plant species may be related to differences in phosphite concentration thresholds yet to be quantified, above which tissue concentrations must be achieved before inhibition of P. cinnamomi colonisation occurs. In rapid colonisation/phosphite low-responsive species such as L. inermis var. inermis , the threshold may be greater than that required for a response in a rapid colonisation/phosphite high-response species such as B. grandis . These results demonstrate the need to determine thresholds for individual plant species and in different environments.</description><identifier>ISSN: 0815-3191</identifier><identifier>EISSN: 1448-6032</identifier><identifier>DOI: 10.1071/AP09005</identifier><language>eng</language><publisher>Dordrecht: Collingwood, Victoria: CSIRO Publishing</publisher><subject>Agriculture ; Banksia ; Biomedical and Life Sciences ; drought stress ; Ecology ; Entomology ; integrated control strategies ; Life Sciences ; phosphate status ; phosphonate ; Phytophthora cinnamomi ; Plant Pathology ; Plant Sciences ; water stress</subject><ispartof>Australasian plant pathology, 2009-01, Vol.38 (3), p.288-304</ispartof><rights>Australasian Plant Pathology Society 2009</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c367t-7ebe77f191fc5bb756660871750759a2546b087669c0c1678787744e47a9cbf43</citedby><cites>FETCH-LOGICAL-c367t-7ebe77f191fc5bb756660871750759a2546b087669c0c1678787744e47a9cbf43</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1071/AP09005$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1071/AP09005$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,776,780,27901,27902,41464,42533,51294</link.rule.ids></links><search><creatorcontrib>Shearer, B.L</creatorcontrib><creatorcontrib>Crane, C.E</creatorcontrib><title>Influence of site and rate of low-volume aerial phosphite spray on lesion development of Phytophthora cinnamomi and phosphite persistence in Lambertia inermis var. inermis and Banksia grandis</title><title>Australasian plant pathology</title><addtitle>Australasian Plant Pathology</addtitle><description>The influence of site on effectiveness of low-volume spray of phosphite for the control of Phytophthora cinnamomi was compared between sites differing in soil nutrient status. The sites ranged from infertile deep grey sands to a red loam in the Esperance Plains bioregion, and infertile gravelly sand of the Havel site-vegetation type P to a red loam of Havel site-vegetation type Q in the northern Jarrah Forest bioregion. Following low-volume spray of 0, 24 or 48 kg phosphite/ha, phosphite effectiveness was determined from assessment of rate of colonisation and inhibition of stem colonisation by P. cinnamomi , and stem phosphite concentration in challenge inoculation stems of Lambertia inermis var. inermis in Esperance Plains bioregion sites and Banksia grandis in Jarrah Forest bioregion sites. Phosphite effectiveness was mainly influenced by plant species rather than site. Phosphite spray significantly controlled P. cinnamomi colonisation in B. grandis , but not in L . inermis var. inermis . Site had no consistent influence on the effect of phosphite on P. cinnamomi despite large differences in soil nutrient status between sites. Differences between sites and site ranking changed with inoculation time and rate of phosphite spray, and duplicate sites differed significantly from each other. Site, rate of phosphite spray, time after spray and plant species significantly affected stem phosphite concentrations. In both Esperance Plains bioregion and Jarrah Forest bioregion sites, stem phosphite concentrations were greatest in fertile loam sites and least in infertile sand or gravelly sand sites. Stem phosphite concentrations increased with rate of phosphite spray with concentrations in stems receiving 48 kg phosphite/ha being 1.2 to 3-times-greater than that in stem sprayed with 24 kg phosphite/ha. Six months after low-volume spray, phosphite concentrations in L. inermis var. inermis stems had declined for all sites and spray rates to only 4–17% of original concentrations. Decline of phosphite concentrations in B. grandis stems was slower than that for L. inermis var. inermis stems. The results indicate that effectiveness of phosphite against P. cinnamomi infection in different communities will depend more on plant species composition than soil nutrient status. Differences in phosphite effectiveness between plant species may be related to differences in phosphite concentration thresholds yet to be quantified, above which tissue concentrations must be achieved before inhibition of P. cinnamomi colonisation occurs. In rapid colonisation/phosphite low-responsive species such as L. inermis var. inermis , the threshold may be greater than that required for a response in a rapid colonisation/phosphite high-response species such as B. grandis . These results demonstrate the need to determine thresholds for individual plant species and in different environments.</description><subject>Agriculture</subject><subject>Banksia</subject><subject>Biomedical and Life Sciences</subject><subject>drought stress</subject><subject>Ecology</subject><subject>Entomology</subject><subject>integrated control strategies</subject><subject>Life Sciences</subject><subject>phosphate status</subject><subject>phosphonate</subject><subject>Phytophthora cinnamomi</subject><subject>Plant Pathology</subject><subject>Plant Sciences</subject><subject>water stress</subject><issn>0815-3191</issn><issn>1448-6032</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2009</creationdate><recordtype>article</recordtype><recordid>eNpdkttu1DAQhi0EEsuCeAQscQE3KfYmtpPLUnGotBKVoNeW4042Lo5tbGerfRteBZ4M7wGKKl-MZvTNP79mjNBLSs4oEfTd-RXpCGGP0II2TVtxUq8eowVpKatq2tGn6FlKt4TQhtdkgX5dusHO4DRgP-BkMmDlbnBU-VCw_q7aejtPpQzRKIvD6FMY91wKUe2wd9hCMiXcwBasDxO4vG-9GnfZhzGPPqrfP7VxTk1-Mgf5e5EAMZmUDwaMw2s19RCzKR3GQZxMwlsVz_DfZN_8XrnvySi8iSUz6Tl6Miib4MUpLtH1xw_fLj5X6y-fLi_O15WuuciVgB6EGMoGBs36XjDOOWkFFYwI1qkVa3hfcs47TTTloi1PNA00QnW6H5p6id4cdUP0P2ZIWRZDGqxVDvycZFt3XHTtihXy9QPy1s_RFXOSEso4EYSxez0dfUoRBhmimVTcFUjuLylPlyzk2yNZNm7cBuL_eg_RV0d0UF6qTTRJXn9dEVoTymlNy2dYInwam0z0_2aqcBCQY57qPxTitjM</recordid><startdate>20090101</startdate><enddate>20090101</enddate><creator>Shearer, B.L</creator><creator>Crane, C.E</creator><general>Collingwood, Victoria: CSIRO Publishing</general><general>Springer Netherlands</general><general>Springer Nature B.V</general><scope>FBQ</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QL</scope><scope>7T7</scope><scope>7U9</scope><scope>8FD</scope><scope>C1K</scope><scope>FR3</scope><scope>H94</scope><scope>M7N</scope><scope>P64</scope><scope>7ST</scope><scope>SOI</scope></search><sort><creationdate>20090101</creationdate><title>Influence of site and rate of low-volume aerial phosphite spray on lesion development of Phytophthora cinnamomi and phosphite persistence in Lambertia inermis var. inermis and Banksia grandis</title><author>Shearer, B.L ; Crane, C.E</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c367t-7ebe77f191fc5bb756660871750759a2546b087669c0c1678787744e47a9cbf43</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2009</creationdate><topic>Agriculture</topic><topic>Banksia</topic><topic>Biomedical and Life Sciences</topic><topic>drought stress</topic><topic>Ecology</topic><topic>Entomology</topic><topic>integrated control strategies</topic><topic>Life Sciences</topic><topic>phosphate status</topic><topic>phosphonate</topic><topic>Phytophthora cinnamomi</topic><topic>Plant Pathology</topic><topic>Plant Sciences</topic><topic>water stress</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Shearer, B.L</creatorcontrib><creatorcontrib>Crane, C.E</creatorcontrib><collection>AGRIS</collection><collection>CrossRef</collection><collection>Bacteriology Abstracts (Microbiology B)</collection><collection>Industrial and Applied Microbiology Abstracts (Microbiology A)</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><collection>Environment Abstracts</collection><collection>Environment Abstracts</collection><jtitle>Australasian plant pathology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Shearer, B.L</au><au>Crane, C.E</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Influence of site and rate of low-volume aerial phosphite spray on lesion development of Phytophthora cinnamomi and phosphite persistence in Lambertia inermis var. inermis and Banksia grandis</atitle><jtitle>Australasian plant pathology</jtitle><stitle>Australasian Plant Pathology</stitle><date>2009-01-01</date><risdate>2009</risdate><volume>38</volume><issue>3</issue><spage>288</spage><epage>304</epage><pages>288-304</pages><issn>0815-3191</issn><eissn>1448-6032</eissn><abstract>The influence of site on effectiveness of low-volume spray of phosphite for the control of Phytophthora cinnamomi was compared between sites differing in soil nutrient status. The sites ranged from infertile deep grey sands to a red loam in the Esperance Plains bioregion, and infertile gravelly sand of the Havel site-vegetation type P to a red loam of Havel site-vegetation type Q in the northern Jarrah Forest bioregion. Following low-volume spray of 0, 24 or 48 kg phosphite/ha, phosphite effectiveness was determined from assessment of rate of colonisation and inhibition of stem colonisation by P. cinnamomi , and stem phosphite concentration in challenge inoculation stems of Lambertia inermis var. inermis in Esperance Plains bioregion sites and Banksia grandis in Jarrah Forest bioregion sites. Phosphite effectiveness was mainly influenced by plant species rather than site. Phosphite spray significantly controlled P. cinnamomi colonisation in B. grandis , but not in L . inermis var. inermis . Site had no consistent influence on the effect of phosphite on P. cinnamomi despite large differences in soil nutrient status between sites. Differences between sites and site ranking changed with inoculation time and rate of phosphite spray, and duplicate sites differed significantly from each other. Site, rate of phosphite spray, time after spray and plant species significantly affected stem phosphite concentrations. In both Esperance Plains bioregion and Jarrah Forest bioregion sites, stem phosphite concentrations were greatest in fertile loam sites and least in infertile sand or gravelly sand sites. Stem phosphite concentrations increased with rate of phosphite spray with concentrations in stems receiving 48 kg phosphite/ha being 1.2 to 3-times-greater than that in stem sprayed with 24 kg phosphite/ha. Six months after low-volume spray, phosphite concentrations in L. inermis var. inermis stems had declined for all sites and spray rates to only 4–17% of original concentrations. Decline of phosphite concentrations in B. grandis stems was slower than that for L. inermis var. inermis stems. The results indicate that effectiveness of phosphite against P. cinnamomi infection in different communities will depend more on plant species composition than soil nutrient status. Differences in phosphite effectiveness between plant species may be related to differences in phosphite concentration thresholds yet to be quantified, above which tissue concentrations must be achieved before inhibition of P. cinnamomi colonisation occurs. In rapid colonisation/phosphite low-responsive species such as L. inermis var. inermis , the threshold may be greater than that required for a response in a rapid colonisation/phosphite high-response species such as B. grandis . These results demonstrate the need to determine thresholds for individual plant species and in different environments.</abstract><cop>Dordrecht</cop><pub>Collingwood, Victoria: CSIRO Publishing</pub><doi>10.1071/AP09005</doi><tpages>17</tpages></addata></record> |
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| ispartof | Australasian plant pathology, 2009-01, Vol.38 (3), p.288-304 |
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| language | eng |
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| source | SpringerLink Journals - AutoHoldings |
| subjects | Agriculture Banksia Biomedical and Life Sciences drought stress Ecology Entomology integrated control strategies Life Sciences phosphate status phosphonate Phytophthora cinnamomi Plant Pathology Plant Sciences water stress |
| title | Influence of site and rate of low-volume aerial phosphite spray on lesion development of Phytophthora cinnamomi and phosphite persistence in Lambertia inermis var. inermis and Banksia grandis |
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