The response of young mandarin trees grown under saline conditions depends on the rootstock |
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| Institution: | 1. Dpto de Nutrition Vegetal, Centro de Edafología y Biología Aplicada del Segura (CSIC), Campus Universitario de Espinardo, 30100 Espinardo, Murcia, Spain;2. Dpto de Citricultura, CIDA, Consejería de Agricultura, Agua y Medio Ambiente de la Región de Murcia, Estación Sericícola, 30150 La Alberca, Murcia, Spain;1. Institute of Soil, Water and Environmental Sciences, The Volcani Center, Agricultural Research Organization, HaMaccabim Road 68, P.O.B 15159, Rishon LeZion 7528809, Israel;2. Department of Soil and Water Sciences, Faculty of Agricultural, Food and Environmental Sciences, The Hebrew University of Jerusalem, P.O. Box 12, Rehovot 76100, Israel;1. CNRS, UMR 6134 SPE, Laboratoire Biochimie and Biologie Moléculaire du Végétal, 20250 Corte, France;2. Equipe \"Amélioration des Plantes à Multiplication Végétative\", UMR AGAP, Département BIOS, CIRAD, Station de Roujol, 97170 Petit-Bourg, Guadeloupe, France;3. UMR AGAP Corse, station INRA/CIRAD, 20230 San Giuliano, France;4. UCA, INRA, PIAF, 63000 Clermont-Ferrand, France;1. Microelement Research Center, College of Resources and Environment, Huazhong Agricultural University, Wuhan, Hubei, 430070, PR China;2. Department of Agronomy, University of Agriculture Faisalabad, 38040, Punjab, Pakistan;3. Department of Soil Sciences, Faculty of Agriculture, Ain Shams University, Cairo, 11241, Egypt;4. Department of Soil & Environmental Sciences, University of Agriculture Faisalabad, Sub-Campus Depalpur Okara, 56300, Punjab, Pakistan;1. Department of Biological Sciences, State University of Santa Cruz, Campus Soane Nazaré de Andrade, Rodovia Jorge Amado, km 16, 45662-900, Ilhéus, BA, Brazil;2. Embrapa Mandioca e Fruiticultura, Rua Embrapa s/n, CP 007, Cruz das Almas, BA, Brazil;1. Setor de Fisiologia Vegetal, Departamento de Biologia, Universidade Federal de Lavras, 37200-000, Lavras, MG, Brazil;2. Empresa de Pesquisa Agropecuária de Minas Gerais/EPAMIG SUL, Campus UFLA, Lavras, Minas Gerais, Brazil |
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| Abstract: | We studied the effects of the rootstocks, Cleopatra mandarin and Carrizo citrange and of saline irrigation water (3, 15 and 30 mM NaCl) on yield, growth, fruit quality and leaf mineral composition of ‘Clemenules’ mandarin citrus trees. At the end of the experiment, ‘Clemenules’ trees grafted on Carrizo had higher yield efficiency (cumulative yield of three years per canopy volume) than trees grafted on Cleopatra, under both control and saline treatments. Fruit yield was reduced by the salinity due to a decrease in the number of fruit per tree but not fruit size. Trees on Cleopatra mandarin accumulated less Cl? and more Na+ than those grafted on Carrizo. The leaf Na+ concentration reached its maximum value during the first year; however, the leaf Cl? concentration continued increasing with time. For both rootstocks, leaf concentrations of N, P and K+ decreased with increasing salinity levels. Salinity reduced juice content and increased total soluble solids (TSS) in fruit from trees on Carrizo. |
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