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| Web URL(s): | http://onlinelibrary.wiley.com/doi/10.1111/j.1365-3180.1987.tb00742.x/epdf
Last checked: 10/09/2015
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| Publication Type:
| Refereed |
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| Author(s): | Chandrasena, J. P. N. R.;
Sagar, G. R. |
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| Author Affiliation: | School of Plant Biology, University College of North Wales, Bangor, Gwynedd, LL576 2UW, UK |
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| Title: | Effect of fluazifop-butyl on the chlorophyll content, fluorescence and chloroplast ultrastructure of Elymus repens (L.) Gould. leaves |
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| Source: | Weed Research. Vol. 27, No. 2, April 1987, p. 103-112. |
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| Publishing Information: | Oxford : Blackwell Scientific Publications |
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| Keywords: | TIC Keywords: Fluazifop-butyl; Chlorophyll; Chloroplasts; Elymus repens; Leaves
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| Abstract/Contents: | "Some aspects of the action of fluazifop-butyl on the chlorophyll content, chloroplast functioning and chloroplast ultrastructure of Elymus repens are reported. Over a period of 0-12 days after spraying with 0-25 or 1-0 kg ha-1 of the herbicide, chlorophyll a and b contents of this susceptible plant decreased, progressing from the youngest to the more mature leaves. Newly formed tillers and the youngest expanding leaves exhibited a more severe type of chlorosis and were often found to be devoid of chlorophyll. A similar progressive decline of the chlorophyll content was observed in an experiment where leaf segments were floated in fluazifop-butyl. Evidence of a rapid and significant alteration of the normal chlorophyll fluorescence of E. repens leaves treated with fluazifop-butyl was obtained. The herbicide, at a concentration range of 0-25 - 1-0 ug ul-1, caused a significant loss of the fast fluorescence rise, fluorescence yield and, after 24 h, caused a total abolition of the fluorescence decay (PS decay). These results are discussed. Ultrastructural damage to chloroplasts was seen within 24 h after treatment with fluazifop-butyl. This damage ranged from a partial to total disruption of the outer chloroplast envelope and a disorganization of the internal thylakoid system. Such ultrastructural effects on chloroplasts were found to intensify up to about 6-7 days after spraying, by which time nearly all chloroplasts in tissue sections were affected to some degree." |
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| Language: | English |
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| References: | 48 |
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| Note: | Pictures
Figures
Tables
Summary: Fr, De |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Chandrasena, J. P. N. R., and G. R. Sagar. 1987. Effect of fluazifop-butyl on the chlorophyll content, fluorescence and chloroplast ultrastructure of Elymus repens (L.) Gould. leaves. Weed Res. 27(2):p. 103-112. |
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| Web URL(s):
http://onlinelibrary.wiley.com/doi/10.1111/j.1365-3180.1987.tb00742.x/epdf
Last checked: 10/09/2015
Requires: PDF Reader
Access conditions: Item is within a limited-access website |
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MSU catalog number: SB 599 .W4 |
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