Application of synchrotron radiation X-ray fluorescence to investigate the distribution of mineral elements in different organs of greenhouse spinach
2009
Xin, S.Z.,China Agricultural Univ., Beijing (China). Key Lab. of Plant Nutrition | Song, Y.J.,China Agricultural Univ., Beijing (China). Key Lab. of Plant Nutrition | Lv, C.,China Agricultural Univ., Beijing (China). Key Lab. of Plant Nutrition | Rui, Y.K.,China Agricultural Univ., Beijing (China). Key Lab. of Plant Nutrition | Zhang, F.S.,China Agricultural Univ., Beijing (China). Key Lab. of Plant Nutrition | Xu, W.,Chinese Academy of Sciences, Beijing (China). Inst. of High Energy Physics | Wu, D.,China Agricultural Univ., Beijing (China). Key Lab. of Plant Nutrition | Wu, S.,China Agricultural Univ., Beijing (China). Key Lab. of Plant Nutrition | Zhong, J.,Chinese Academy of Sciences, Beijing (China). Inst. of High Energy Physics | Chen, D.L.,Chinese Academy of Sciences, Beijing (China). Inst. of High Energy Physics | Chen, Q.,China Agricultural Univ., Beijing (China). Key Lab. of Plant Nutrition | Peng, E.T.,Shandong Agricultural Univ., Tai'an (China). Coll. of Horticultural Science and Engineering
The distribution of mineral elements in the root and leaves of greenhouse spinach was determined using synchrotron radiation XRF. The results indicated that the amount of various elements in different parts of the leaves, roots and stems were inequable. Generally, the content of the elements in the root base were slightly higher than in the other parts. The amounts in the root apices were much lower than those in the other parts, while the amount of every element decreased gradually from the root base to the root apices. In stems, the amount of K, Ca, Fe, Ni, and Zn were higher in the base than in the top of the stem, while the amounts of Co and Cu were higher in the top than in the base of the stem. From all the elements detected in the stem, Mn was at the lowest concentration. In leaves, Co and Zn were primarily accumulated around the main veins and the amount of Mn in the tip of the leaf was higher than in the other parts. In contrast, K, Ca, Ni, and Cu were higher in the center of the leaf.
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