LEAF MINERAL COMPOSITION OF 'NOVA', 'ROBINSON' AND 'FREMONT' MANDARIN CULTIVARS ON DIFFERENT ROOTSTOCKS

Author： Toplu Celil Uygur Veli Kaplankıran Mustafa Demirkeser T. Hakan Yıldız Ercan

ISSN： 0190-4167

Source： Journal of Plant Nutrition, Vol.33, Iss.4, 2010-01, pp. : 602-612

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Abstract

Rootstock selection has a critical importance for mineral nutrition of budded cultivars. This study was conducted at the experimental farm of Mustafa Kemal University, Dortyol, Turkey. The aim of this study was to investigate the effect of sour orange, Troyer and Carrizo citrange rootstocks on the leaf nutrient contents of 'Nova', 'Robinson', and 'Fremont' mandarin cultivars in the 2004 and 2005 growing seasons. Carrizo citrange was examined for nitrogen (N), potassium (K), magnesium (Mg), sodium (Na), and manganese (Mn); Troyer citrange for iron (Fe); and sour orange for calcium (Ca) and zinc (Zn) were superior on the others. Nitrogen, phosphorus (P) and Mg levels of mandarin leaf budded on sour orange were under or just above the deficiency threshold. Potassium, Mn, and Zn content of 'Robinson'; P, Ca and Fe content of 'Fremont'; and Cu content of 'Nova' were statistically higher. Therefore, it can be concluded that Carrizo rootstock may be suggested for the region and regions with similar ecological conditions.