Glyphosate Has Low Toxicity To Citrus Plants Growing In The Field

dc.creatorGravena R.
dc.creatorFilho R.V.
dc.creatorAlves P.L.C.A.
dc.creatorMazzafera P.
dc.creatorGravena A.R.
dc.date2012
dc.date2015-06-26T20:28:49Z
dc.date2015-11-26T14:24:41Z
dc.date2015-06-26T20:28:49Z
dc.date2015-11-26T14:24:41Z
dc.date.accessioned2018-03-28T21:26:59Z
dc.date.available2018-03-28T21:26:59Z
dc.identifier
dc.identifierCanadian Journal Of Plant Science. Agricultural Institute Of Canada, v. 92, n. 1, p. 119 - 127, 2012.
dc.identifier84220
dc.identifier10.4141/cjps2011-055
dc.identifierhttp://www.scopus.com/inward/record.url?eid=2-s2.0-84856997280&partnerID=40&md5=19d8e795e67d649b113f7ab0ec8cdd59
dc.identifierhttp://www.repositorio.unicamp.br/handle/REPOSIP/96770
dc.identifierhttp://repositorio.unicamp.br/jspui/handle/REPOSIP/96770
dc.identifier2-s2.0-84856997280
dc.identifier.urihttp://repositorioslatinoamericanos.uchile.cl/handle/2250/1245496
dc.descriptionThere has been controversy over whether glyphosate used for weed management in citrus fields causes significant toxicity to citrus plants. Glyphosate may be toxic to non-target plants exposed to accidental application or drift. This work evaluated glyphosate toxicity in plants of Valencia citrus (Citrus sinensis L. Osbeck) grafted onto 'Rangpur lime' (Citrus limonia L. Osbeck) and citrumelo 'Swingle' (Poncirus trifoliata (L.) Raf×Citrus paradisi Macf) by trunk- or foliar-directed herbicide applications under field conditions. In the first experiment, glyphosate was sprayed at rates of 0, 90, 180, 260, 540, 1080 and 2160 g a.e. ha-1 directly on the trunk to a height of 5 cm above the grafting region. In the second experiment, glyphosate was sprayed on the plant canopies at rates of 0, 0.036, 0.36, 3.6, 36, 360 and 720 g a.e. ha-1. There was no visual damage caused by glyphosate applied directly to the trunk, but the plants were affected by glyphosate sprayed directly on the canopies at rates over 360 g a.e. ha-1. The main symptom was observed in the new shoots formed after the application, indicating an effect on meristems. Little or no effect was observed in mature leaves. Eight days after application the levels of shikimate, total free amino acids and total phenolic compounds were unaffected. All plants affected by glyphosate recovered between 6 and 12 mo after the treatments. Therefore, despite some transient symptoms Valencia citrus grafted onto 'Rangpur lime' and citrumelo 'Swingle' were tolerant to glyphosate. © 2011 - Agricultural Institute of Canada.
dc.description92
dc.description1
dc.description119
dc.description127
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dc.languageen
dc.publisherAgricultural Institute of Canada
dc.relationCanadian Journal of Plant Science
dc.rightsaberto
dc.sourceScopus
dc.titleGlyphosate Has Low Toxicity To Citrus Plants Growing In The Field
dc.typeArtículos de revistas


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