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Publication Type J
Authors Pompeiano, A; Giannini, V; Gaetani, M; Vita, F; Guglielminetti, L; Bonari, E; Volterrani, M
Author Full Name Pompeiano, A.; Giannini, V.; Gaetani, M.; Vita, F.; Guglielminetti, L.; Bonari, E.; Volterrani, M.
Title Response of warm-season grasses to N fertilization and salinity
Source SCIENTIA HORTICULTURAE
Language English
Document Type Article
Author Keywords Clipping; Cynodon spp.; Paspalum spp.; Proline; Photosynthetic pigments; Zoysia spp.
Keywords Plus SEASHORE PASPALUM ECOTYPES; TOLERANCE MECHANISMS; SALT TOLERANCE; NITROGEN; STRESS; GROWTH; BERMUDAGRASS; ZOYSIAGRASS; TURFGRASSES; PROLINE
Abstract Good knowledge of how growth and physiological traits vary as a function of salt concentration in the soil and different nitrogen fertilization regimes is fundamental for sustainable management of warm-season grasses in sport and recreational areas. The research presented in this paper was conducted in a greenhouse. Plant material was obtained by taking undisturbed soil cores from mature stands. Treatments consisted in combinations of salinity (0, 15, and 30 dS m(-1)) and N rate (0, 5, and 10 g N m(-2)). The species used were Cynodon dactylon x C. transvaalensis 'Tifway' and Zoysia japonica 'Meyer' as Chloridoideae, and Paspalum vaginatum 'Salam', as Panicoideae. Top growth, expressed as cumulative clipping dry weight (DW) and verdure DW, significantly decreased with increasing salinity. Positive effects of N fertilization were observed for cumulative clipping DW, although the growth responses were more pronounced under non-saline and intermediate salinity conditions. Under the highest salinity, no significant increase was observed in response to N rate. 'Salam' showed a positive response to N fertilization in terms of root and horizontal stem (rhizomes and stolons) DW though no such response was observed in 'Tifway' and 'Meyer'. The leaf pigment response to salinity varied with the species. All pigments within each species showed similar behavior. In Paspalum, pigment content was not affected by salinity level, though chlorophyll a slightly decreased at the highest salinity level. (C) 2014 Elsevier B.V. All rights reserved.
Author Address [Pompeiano, A.] Univ Fed Alagoas, Ctr Agr Sci, Lab Plant Physiol, Maceio, Brazil; [Giannini, V.; Bonari, E.] Scuola Super Sant Anna, SSSUP Inst Life Sci, Pisa, Italy; [Gaetani, M.; Vita, F.; Guglielminetti, L.; Volterrani, M.] Univ Pisa, Dept Agr Food & Environm, Pisa, Italy
Reprint Address Pompeiano, A (reprint author), Univ Fed Alagoas, Ctr Agr Sci, Lab Plant Physiol, Maceio, Brazil.
E-mail Address onaiepmop@gmail.com
ORCID Number Vita, Federico/0000-0002-3653-2231
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Cited Reference Count 42
Times Cited 3
Total Times Cited Count (WoS, BCI, and CSCD) 5
Publisher ELSEVIER SCIENCE BV
Publisher City AMSTERDAM
Publisher Address PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
ISSN 0304-4238
29-Character Source Abbreviation SCI HORTIC-AMSTERDAM
ISO Source Abbreviation Sci. Hortic.
Publication Date OCT 2
Year Published 2014
Volume 177
Beginning Page 92
Ending Page 98
Digital Object Identifier (DOI) 10.1016/j.scienta.2014.07.044
Page Count 7
Web of Science Category Horticulture
Subject Category Agriculture
Document Delivery Number AQ6AC
Unique Article Identifier WOS:000342888700013
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