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Strawberry recovers from iron chlorosis after foliar application of a grass-clipping extract

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dc.contributor.authorPestana, M.
dc.contributor.authorDomingos, I.
dc.contributor.authorGama, Florinda
dc.contributor.authorDandlen, S. A.
dc.contributor.authorMiguel, Maria Graça
dc.contributor.authorPinto, J. C.
dc.contributor.authorDe Varennes, A.
dc.contributor.authorCorreia, P. J.
dc.date.accessioned2015-06-15T14:53:38Z
dc.date.available2015-06-15T14:53:38Z
dc.date.issued2011
dc.description.abstractBare-root transplants of strawberry (Fragaria x ananassa Duch. cv. Selva) were transferred to nutrient solutions with or without iron. After 35 d of growth, plants in the solution without iron became chlorotic and had morphological changes in roots typical of iron-deficiency chlorosis (IDC). Acidification of the nutrient solution was also observed. We tested a grass-clipping extract to correct IDC in strawberry plants by foliar application to some chlorotic plants. We also assessed the effects of this product on plant growth, Fe allocation, as well as morphological and physiological parameters related with IDC. After the second spray, leaf chlorophyll increased in the youngest expanded leaves. The total content of iron in plants increased from 1.93 mg to 2.37 mg per plant after three sprays, accounting for 80% of the total iron supplied by the extract. Newly formed roots from sprayed plants had a normal morphology (no subapical swollen zone) but a higher ferric chelate-reductase (FC-R; EC 1.16.1.17) activity per root apex compared with roots from plants grown with iron or untreated chlorotic plants. Acidification of the nutrient solution continued in sprayed recovered plants. The results suggest an uncoupling of the regulation of morphological and physiological mechanisms related to IDC: FC-R activity seems to be controlled by roots on their own or together with shoots, while morphological changes in roots are apparently regulated only by the level of iron in shoots.
dc.identifier.doihttps://dx.doi.org/10.1002/jpln.201000215
dc.identifier.issn1436-8730
dc.identifier.otherAUT: MGM00322;
dc.identifier.urihttp://hdl.handle.net/10400.1/6367
dc.language.isoeng
dc.peerreviewedyes
dc.publisherWiley
dc.publisherVCH Verlag
dc.relation.isbasedonP-002-QYE
dc.titleStrawberry recovers from iron chlorosis after foliar application of a grass-clipping extract
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage479
oaire.citation.startPage473
oaire.citation.titleJournal of Plant Nutrition and Soil Science
oaire.citation.volume174
person.familyNamePestana
person.familyNameGama
person.familyNameMiguel
person.familyNameCorreia
person.givenNameMaribela
person.givenNameFlorinda
person.givenNameMaria da Graça
person.givenNamePedro José
person.identifier74793
person.identifier.ciencia-id791E-9EC5-55C9
person.identifier.ciencia-idB61D-C9B5-8AE2
person.identifier.ciencia-id6110-6FE7-DF28
person.identifier.ciencia-id2E15-3704-0F55
person.identifier.orcid0000-0002-4319-1682
person.identifier.orcid0000-0001-6948-0055
person.identifier.orcid0000-0003-2507-4228
person.identifier.orcid0000-0003-4927-1189
person.identifier.ridF-5741-2010
person.identifier.scopus-author-id7005146039
person.identifier.scopus-author-id35770492700
person.identifier.scopus-author-id35562054500
person.identifier.scopus-author-id7006210686
rcaap.rightsrestrictedAccess
rcaap.typearticle
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