ABSORCIÓN Y TRASLOCACIÓN DE SODIO Y CLORO EN PLANTAS DE CHILE FERTILIZADAS CON NITRÓGENO Y CRECIDAS CON ESTRÉS SALINO SODIUM AND CHLORIDE UPTAKE AND TRANSLOCATION IN CHILE PLANTS FERTILIZED WITH NITROGEN AND GROWN UNDER SALINE STRESS
作者： Magdalena Villa Castorena , Ernesto A. Catalán Valencia , Marco A. Inzunza Ibarra , April L. Ulery
DOI:
关键词: Nitrogen 、 Fertilizer 、 Salinity 、 Horticulture 、 Shoot 、 Pepper 、 Soil salinity 、 Chemistry 、 Sodium 、 Loam
摘要: SUMMARY The influence of soil salinity on the uptake, transport, and concentration sodium (Na) chloride (Cl) was evaluated in ‘Sandia´ chile pepper plants (Capsicum annuum L.) growing at different nitrogen (N) fertilizer application rates. Plants were grown under greenhouse pots containing sandy loam soil. levels salinity, defined as electrical conductivity saturated extract (ECe), 1.3, 3.5, 5.5 dS m-1 rates N 80, 140, 200 kg ha-1. Salinity increased uptake Na Cl beginning end plant growth cycle transport from root to shoot intermediate stages. concentrations root, stem, leaf also with most At development, low highest observed roots, medium roots stems, high stems. for each level. maximum leaves flowering onset; after this stage, it registered stems treatment. High intensified leaves. Results indicated that effects changed aged aggravated saline plant.
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