STUDY OF THE INTERACTIONS BETWEEN IODINE AND MINERAL NUTRIENTS IN LETTUCE PLANTS

被引:27
|
作者
Blasco, Begona [1 ]
Rios, Juan J. [1 ]
Sanchez-Rodriguez, Eva [1 ]
Rubio-Wilhelmi, Maria M. [1 ]
Leyva, Rocio [1 ]
Romero, Luis [1 ]
Ruiz, Juan M. [1 ]
机构
[1] Univ Granada, Dept Plant Physiol, Fac Sci, E-18071 Granada, Spain
关键词
iodine bio-fortification; Lactuca sativa; mineral nutrients; NITRATE; IODATE; SOIL;
D O I
10.1080/01904167.2012.716889
中图分类号
Q94 [植物学];
学科分类号
071001 ;
摘要
Iodine is vital to human health, and iodine bio-fortification programs help improve the human intake through plant consumption. Essential processes in plants that can be altered by iodine bio-fortification include the nutritional state of plants. The main objective of this work was to determine whether mineral nutrient concentrations were affected by the application of different forms (iodide [I-] vs. iodate [IO3-]) and dosages (0, 20, 40, and 80 mu M) of iodine, to ascertain the influence of this trace element in Lactuca sativa var. longifolia plants. The application of 80 mu M of I- significantly reduced the nutrients nitrogen (N), phosphorus (P), and potassium (K) to below the optimal ranges established for this crop. The IO3- treatments represented optimal maintenance of the nutritional state for most of the nutrients and even an improvement of nutrients as important as magnesium (Mg) and iron (Fe).
引用
收藏
页码:1958 / 1969
页数:12
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