Salinity, boron, and irrigated pecan productivity along New Mexico's Rio Grande basin

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dc.contributor.authorPicchioni, GA
dc.contributor.authorKaraca, H
dc.contributor.authorBoyse, LG
dc.contributor.authorMcCaslin, BD
dc.contributor.authorHerrera, EA
dc.date.accessioned2024-09-18T21:06:36Z
dc.date.available2024-09-18T21:06:36Z
dc.date.issued2000
dc.departmentHatay Mustafa Kemal Üniversitesien_US
dc.description.abstractWe surveyed 15 commercial irrigated orchards of 'Western' pecan [Carya illinoinensis (Wangenh.) K. Koch] along a 120-km stretch of the middle Rio Grande basin in southern New Mexico. Our intent was to determine if high salinity and boron (B) broadly threaten pecan cultivation in this region. Ten of the fifteen sites were found to be on soils considered too saline for pecan trees (>2-3 dS m(-1) in the soil saturation extract of the upper 0-60 cm of soil depth). Of these 10 sites, 4 had saturation extract Na concentration exceeding 20 mM, which is at or about the concentration corresponding to pecan seedling rootstock growth suppression. A laboratory study showed that cell membranes of excised, subapical seedling root segments from 'River-side' pecan were damaged by about twice the salinity of the saturation extract at the highest salinity sites (9 dS m(-1)). At all sites, midsummer leaflet B concentration surpassed the published accepted range for pecan of about 50 to 100 mg B kg(-1) dry weight, especially at the sites with higher soil salinity. Evaluation of two nearby sites (low salinity and B and high salinity and B orchards) showed that the higher salinity and B were associated with 25% lower yield efficiency, 3% lower percentage kernel, 13% lower mass per nut, and a 9 to 16% reduction in the tree's capacity to recycle N and P into perennial storage organs. The findings bring attention to the sustainability of current irrigation and soil management practices in much of this concentrated pecan producing region.en_US
dc.identifier.doi10.2134/jeq2000.00472425002900030034x
dc.identifier.endpage963en_US
dc.identifier.issn0047-2425
dc.identifier.issue3en_US
dc.identifier.scopus2-s2.0-0034112246en_US
dc.identifier.scopusqualityQ2en_US
dc.identifier.startpage955en_US
dc.identifier.urihttps://doi.org/10.2134/jeq2000.00472425002900030034x
dc.identifier.urihttps://hdl.handle.net/20.500.12483/13715
dc.identifier.volume29en_US
dc.identifier.wosWOS:000089412100034en_US
dc.identifier.wosqualityQ1en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherAmer Soc Agronomyen_US
dc.relation.ispartofJournal of Environmental Qualityen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectSeedlingsen_US
dc.subjectGrowthen_US
dc.subjectRootstocksen_US
dc.subjectToxicityen_US
dc.subjectFruiten_US
dc.titleSalinity, boron, and irrigated pecan productivity along New Mexico's Rio Grande basinen_US
dc.typeArticleen_US

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