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Wild rocket – effect of water deficit on growth, flowering, and attractiveness to pollinators

AutorBarbir, Jelena; Dorado, José ; Fernández-Quintanilla, César ; Blanusa, Tijana; Maksimovic, Cedo; Badenes-Pérez, Francisco Rubén
Palabras claveAttractiveness pollinators; regulated irrigation
Diplotaxis tenuifolia
drought stress
plant growth
Fecha de publicación16-jun-2014
EditorTaylor & Francis
CitaciónActa Agriculturae Scandinavica, Section B — Soil & Plant Science, 6: 482–492 (2014)
ResumenWild rocket, Diplotaxis tenuifolia (L.) DC. (Brassicaceae), is one of the three cultivated rocket species, the demand and production of which have recently increased in Mediterranean countries where irrigation water is scarce. Besides its use as a crop, D. tenuifolia has been observed to flower for a long period and to be attractive to pollinators. In this study we assessed the effect of drought stress and moderate- and severe-deficit irrigation on growth, flower development, and attractiveness to pollinators in D. tenuifolia. The results showed that in greenhouse conditions, potted D. tenuifolia could be without irrigation for 4 days without affecting its growth, flowering, and attractiveness to pollinators. However, lack of irrigation for 8 days or longer significantly reduced the vegetative growth, number of open flowers, total floral area, flower diameter, corolla tube diameter, and corolla tube length of D. tenuifolia. This study shows that regulated-deficit irrigation can improve water use efficiency, and depending on the purpose of growing D. tenuifolia, as a crop or as a beneficial plant to attract pollinators, it can reduce water consumption from 40% to 70% without affecting its vegetative and floral development and without reducing its attractiveness to pollinators.
Descripción12 pag. 5 tablas y 5 figuras
Versión del editorhttp://dx.doi.org/10.1080/09064710.2014.925575
URIhttp://hdl.handle.net/10261/117289
DOI10.1080/09064710.2014.925575
ISSN0906-4710
Referencias1651-1913 (Online)
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