X-Ray Fluorescence Spectra Of Root (Wilt) Affected Coconut Palm
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1983
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Abstract
Trace element composition of soil, root and leaf samples collected from healthy, and root (wilt) diseased coconut palms were determined employing energy dispersive X-ray fluorescence technique. Non-nutrient trace elements such as Ti, Cr, Ni, Pb, Br, Rb, Sr and Zr were detected in soil samples. Sandy soil in the Kayangulam area is rich in Ti. Strontium content of laterite soils of Pilicode is less as compared to similar soils in the diseased tract. Root samples contained all these elements except Cr and Zr in detectable concentrations. Nickel content of roots from diseased palms was higher than that of roots from healthy palms. Low concentration of Sr in the leaves of diseased palms and relatively higher concentration of this element in the roots indicate that the translocation of Sr in diseased palms is hindered. Titanium, Cr, Pb and Zr wore not detectable in coconut leaves.
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Journal of Plantation Crops 1983 v11(2):p 91-100