Liu, Hongen and Hu, Chengxiao and Hu, Xiaoming and Nie, Zhaojun and Sun, Xuecheng and Tan, Qiling and Hu, Huafeng
(2010)
Interaction of molybdenum and phosphorus supply on uptake and translocation of phosphorus and molybdenum by Brassica napus.
Journal of Plant Nutrition , 33 (12).
pp. 1751-1760.
Abstract
A hydroponic trial was conducted to assess interaction of molybdenum (Mo) and phosphorus (P) on uptake and translocation of P and Mo by Brassica napus. Molybdenum was applied at four rates (0, 0.01, 0.1 and 1 mg L-1) and P at three rates (1, 30, and 90 mg L-1) in nutrient solution. The results indicated that P increased shoot growth and 0.01 mg L-1 Mo improved the growth of shoots and roots. Molybdenum increased shoot P uptake and root P concentration and uptake when higher P was provided, and had a stimulating effect on P translocation from shoots to roots. P increased shoot Mo concentration and uptake, decreased those in roots, and enhanced Mo transport from roots to shoots. These results implied that both Mo and P had beneficial effects on Mo and P absorption and translocation and co-application of them were necessary to promote growth and utilization of Mo and P for Brassica napus.
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