Kinetics of zinc uptake and anatomy of roots and leaves of coffee trees as affected by zinc nutrition

dc.contributorUniversidade Estadual Paulista (UNESP)
dc.creatorRosolem, Ciro Antonio
dc.creatorSacramento, LVS
dc.creatorOliveira, DMT
dc.date2014-05-20T15:28:30Z
dc.date2016-10-25T18:03:33Z
dc.date2014-05-20T15:28:30Z
dc.date2016-10-25T18:03:33Z
dc.date2005-01-01
dc.date.accessioned2017-04-06T00:07:29Z
dc.date.available2017-04-06T00:07:29Z
dc.identifierJournal of Plant Nutrition. Philadelphia: Taylor & Francis Inc., v. 28, n. 12, p. 2101-2112, 2005.
dc.identifier0190-4167
dc.identifierhttp://hdl.handle.net/11449/38296
dc.identifierhttp://acervodigital.unesp.br/handle/11449/38296
dc.identifier10.1080/01904160500320921
dc.identifierWOS:000234138800004
dc.identifierhttp://dx.doi.org/10.1080/01904160500320921
dc.identifier.urihttp://repositorioslatinoamericanos.uchile.cl/handle/2250/881434
dc.descriptionZinc (Zn) uptake kinetics and root and leaf anatomy were studied in coffee trees grown in nutrient solutions with or without Zn. Leaves and roots were sampled and cuts were made in the medium part of the leaves and in root tips and observed under an optical microscope. Plants grown without Zn showed an increase in root and in root stele diameter. There was also an increase in epidermis thickness and in the cross-sectional area of the cortex and stele due to Zn deficiency, but the diameter of xylem vessels was decreased. An increase in root cortex and stele diameter provided for an increased surface for nutrient uptake. Accordingly, C(min) was decreased from 13.8 to 3.4 mu mol L(-1) and V(max) increased from 0.50 to 2.1 mu mol cm(-2) h(-1) .
dc.languageeng
dc.publisherTaylor & Francis Inc
dc.relationJournal of Plant Nutrition
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.subjectCoffea arabica
dc.subjectnutrient deficiency
dc.subjectnutrient uptake
dc.subjectroot anatomy
dc.subjectzinc
dc.titleKinetics of zinc uptake and anatomy of roots and leaves of coffee trees as affected by zinc nutrition
dc.typeOtro


Este ítem pertenece a la siguiente institución