A physiological and morphological study on the injury caused by exposure to the air pollutant, peroxyacetyl nitrate (PAN), based on the quantitative assessment of the injury
A method for the numerical assessment of the foliar injury caused by the photochemical oxidant, peroxyacetyl nitrate (PAN), was devised, using three injury indices: fresh weight (FW) loss, decreased photosynthetic pigment content, and increased ion leakage, which can be measured using the same leave...
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| Veröffentlicht in: | Journal of plant research 2004-02, Vol.117 (1), p.27-36 |
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| creator | Oka, E. (Tokyo Univ. (Japan)) Tagami, Y Oohashi, T Kondo, N |
| description | A method for the numerical assessment of the foliar injury caused by the photochemical oxidant, peroxyacetyl nitrate (PAN), was devised, using three injury indices: fresh weight (FW) loss, decreased photosynthetic pigment content, and increased ion leakage, which can be measured using the same leaves. The injury indices clearly indicated a larger number of PAN-sensitive leaves and a more severe level of injury in the PAN-sensitive variety of Petunia hybrida, White Champion (WHITE), compared to the PAN-tolerant variety, Blue Champion (BLUE). FW and photosynthetic pigment content decreased correlatively in both varieties, but ion leakage increased only in WHITE. Morphological observations revealed that ion leakage started concurrently with the start of plasmolysis-like symptoms at the mesophyll cells of injured WHITE leaves, whereas FW loss corresponded to the shrinkage of cells without loss of their round shape in BLUE leaves. PAN injuries measured by the injury indices were markedly increased in the presence of light, and the morphological changes following PAN exposure were similar to those caused by the superoxide-generating chemical, paraquat. The results suggested that PAN injuries indicated by the three injury indices are all light-dependent, but are caused through several independent mechanisms. |
| doi_str_mv | 10.1007/s10265-003-0127-1 |
| format | Article |
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(Tokyo Univ. (Japan)) ; Tagami, Y ; Oohashi, T ; Kondo, N</creator><creatorcontrib>Oka, E. (Tokyo Univ. (Japan)) ; Tagami, Y ; Oohashi, T ; Kondo, N</creatorcontrib><description>A method for the numerical assessment of the foliar injury caused by the photochemical oxidant, peroxyacetyl nitrate (PAN), was devised, using three injury indices: fresh weight (FW) loss, decreased photosynthetic pigment content, and increased ion leakage, which can be measured using the same leaves. The injury indices clearly indicated a larger number of PAN-sensitive leaves and a more severe level of injury in the PAN-sensitive variety of Petunia hybrida, White Champion (WHITE), compared to the PAN-tolerant variety, Blue Champion (BLUE). FW and photosynthetic pigment content decreased correlatively in both varieties, but ion leakage increased only in WHITE. Morphological observations revealed that ion leakage started concurrently with the start of plasmolysis-like symptoms at the mesophyll cells of injured WHITE leaves, whereas FW loss corresponded to the shrinkage of cells without loss of their round shape in BLUE leaves. PAN injuries measured by the injury indices were markedly increased in the presence of light, and the morphological changes following PAN exposure were similar to those caused by the superoxide-generating chemical, paraquat. The results suggested that PAN injuries indicated by the three injury indices are all light-dependent, but are caused through several independent mechanisms.</description><identifier>ISSN: 0918-9440</identifier><identifier>EISSN: 1618-0860</identifier><identifier>DOI: 10.1007/s10265-003-0127-1</identifier><identifier>PMID: 14661076</identifier><language>eng</language><publisher>Japan: Springer Nature B.V</publisher><subject>Air Pollutants - toxicity ; AIR POLLUTION ; DAMAGE ; Darkness ; Injuries ; Light ; Lighting ; Oxidizing agents ; Paraquat ; Paraquat - toxicity ; Peracetic Acid - analogs & derivatives ; Peracetic Acid - chemical synthesis ; Peracetic Acid - toxicity ; Peroxyacetyl nitrate ; PETUNIA ; Petunia - drug effects ; Petunia - growth & development ; Petunia - radiation effects ; Petunia hybrida ; Photochemicals ; Plant Diseases ; Plant Leaves - drug effects ; Plant Leaves - growth & development ; POLLUTANTS ; Seeds - drug effects ; White people</subject><ispartof>Journal of plant research, 2004-02, Vol.117 (1), p.27-36</ispartof><rights>The Botanical Society of Japan and Springer-Verlag 2004</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c402t-fc4be52f2de1a4ef707f0757a02d4a7b71d93aedf259b822c29b5146e47d3513</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27923,27924</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/14661076$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Oka, E. (Tokyo Univ. (Japan))</creatorcontrib><creatorcontrib>Tagami, Y</creatorcontrib><creatorcontrib>Oohashi, T</creatorcontrib><creatorcontrib>Kondo, N</creatorcontrib><title>A physiological and morphological study on the injury caused by exposure to the air pollutant, peroxyacetyl nitrate (PAN), based on the quantitative assessment of the injury</title><title>Journal of plant research</title><addtitle>J Plant Res</addtitle><description>A method for the numerical assessment of the foliar injury caused by the photochemical oxidant, peroxyacetyl nitrate (PAN), was devised, using three injury indices: fresh weight (FW) loss, decreased photosynthetic pigment content, and increased ion leakage, which can be measured using the same leaves. The injury indices clearly indicated a larger number of PAN-sensitive leaves and a more severe level of injury in the PAN-sensitive variety of Petunia hybrida, White Champion (WHITE), compared to the PAN-tolerant variety, Blue Champion (BLUE). FW and photosynthetic pigment content decreased correlatively in both varieties, but ion leakage increased only in WHITE. Morphological observations revealed that ion leakage started concurrently with the start of plasmolysis-like symptoms at the mesophyll cells of injured WHITE leaves, whereas FW loss corresponded to the shrinkage of cells without loss of their round shape in BLUE leaves. PAN injuries measured by the injury indices were markedly increased in the presence of light, and the morphological changes following PAN exposure were similar to those caused by the superoxide-generating chemical, paraquat. The results suggested that PAN injuries indicated by the three injury indices are all light-dependent, but are caused through several independent mechanisms.</description><subject>Air Pollutants - toxicity</subject><subject>AIR POLLUTION</subject><subject>DAMAGE</subject><subject>Darkness</subject><subject>Injuries</subject><subject>Light</subject><subject>Lighting</subject><subject>Oxidizing agents</subject><subject>Paraquat</subject><subject>Paraquat - toxicity</subject><subject>Peracetic Acid - analogs & derivatives</subject><subject>Peracetic Acid - chemical synthesis</subject><subject>Peracetic Acid - toxicity</subject><subject>Peroxyacetyl nitrate</subject><subject>PETUNIA</subject><subject>Petunia - drug effects</subject><subject>Petunia - growth & development</subject><subject>Petunia - radiation effects</subject><subject>Petunia hybrida</subject><subject>Photochemicals</subject><subject>Plant Diseases</subject><subject>Plant Leaves - drug effects</subject><subject>Plant Leaves - growth & development</subject><subject>POLLUTANTS</subject><subject>Seeds - drug effects</subject><subject>White people</subject><issn>0918-9440</issn><issn>1618-0860</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2004</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><sourceid>8G5</sourceid><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><sourceid>GUQSH</sourceid><sourceid>M2O</sourceid><recordid>eNpdkU1v1DAQhi0EokvhB3AAWRwQSA2MHTtOjquKT1XQQ--Wk0y6XmXj1B-o-VH8Rxx2BYiTR9Yz74zmIeQ5g3cMQL0PDHglC4CyAMZVwR6QDatYXUBdwUOygSbXjRBwRp6EsAdgSjb1Y3LGRFUxUNWG_NzSebcE60Z3azszUjP19OD8vPvzE2LqF-omGndI7bRPfqGdSQF72i4U72cXkkca3W_AWE9nN44pmile0Bm9u19Mh3EZ6WSjNxHpm-vtt7cXtDVrxin4LmXeRhPtjxwSAoZwwClSN_wz9yl5NJgx4LPTe05uPn64ufxcXH3_9OVye1V0Angshk60KPnAe2RG4KBADaCkMsB7YVSrWN-UBvuBy6atOe9408p8ExSqLyUrz8nrY-zs3V3CEPXBhg7H0UzoUtDrjaUqVQZf_QfuXfJTXk3XnNUgqkZkiB2hzrsQPA569vZg_KIZ6NWjPnrU2aNePep1g5en4NQesP_bcRKXgRdHYDBOm1tvg_56zQFklsyZLH8Bq_Gkbg</recordid><startdate>200402</startdate><enddate>200402</enddate><creator>Oka, E. 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(Tokyo Univ. (Japan))</au><au>Tagami, Y</au><au>Oohashi, T</au><au>Kondo, N</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>A physiological and morphological study on the injury caused by exposure to the air pollutant, peroxyacetyl nitrate (PAN), based on the quantitative assessment of the injury</atitle><jtitle>Journal of plant research</jtitle><addtitle>J Plant Res</addtitle><date>2004-02</date><risdate>2004</risdate><volume>117</volume><issue>1</issue><spage>27</spage><epage>36</epage><pages>27-36</pages><issn>0918-9440</issn><eissn>1618-0860</eissn><abstract>A method for the numerical assessment of the foliar injury caused by the photochemical oxidant, peroxyacetyl nitrate (PAN), was devised, using three injury indices: fresh weight (FW) loss, decreased photosynthetic pigment content, and increased ion leakage, which can be measured using the same leaves. The injury indices clearly indicated a larger number of PAN-sensitive leaves and a more severe level of injury in the PAN-sensitive variety of Petunia hybrida, White Champion (WHITE), compared to the PAN-tolerant variety, Blue Champion (BLUE). FW and photosynthetic pigment content decreased correlatively in both varieties, but ion leakage increased only in WHITE. Morphological observations revealed that ion leakage started concurrently with the start of plasmolysis-like symptoms at the mesophyll cells of injured WHITE leaves, whereas FW loss corresponded to the shrinkage of cells without loss of their round shape in BLUE leaves. PAN injuries measured by the injury indices were markedly increased in the presence of light, and the morphological changes following PAN exposure were similar to those caused by the superoxide-generating chemical, paraquat. The results suggested that PAN injuries indicated by the three injury indices are all light-dependent, but are caused through several independent mechanisms.</abstract><cop>Japan</cop><pub>Springer Nature B.V</pub><pmid>14661076</pmid><doi>10.1007/s10265-003-0127-1</doi><tpages>10</tpages></addata></record> |
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| ispartof | Journal of plant research, 2004-02, Vol.117 (1), p.27-36 |
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| subjects | Air Pollutants - toxicity AIR POLLUTION DAMAGE Darkness Injuries Light Lighting Oxidizing agents Paraquat Paraquat - toxicity Peracetic Acid - analogs & derivatives Peracetic Acid - chemical synthesis Peracetic Acid - toxicity Peroxyacetyl nitrate PETUNIA Petunia - drug effects Petunia - growth & development Petunia - radiation effects Petunia hybrida Photochemicals Plant Diseases Plant Leaves - drug effects Plant Leaves - growth & development POLLUTANTS Seeds - drug effects White people |
| title | A physiological and morphological study on the injury caused by exposure to the air pollutant, peroxyacetyl nitrate (PAN), based on the quantitative assessment of the injury |
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