AS  Vol.5 No.6 , May 2014
Selection of Inbred Lines for Breeding of Maize with High Efficiency in Iron Utilization

Crops are often subjected to iron(Fe)-deficiency due to the limited solubility of this essential element in most neutral or basic soils. Developing cultivars with high efficiency in Fe utilization via breeding programs can provide solutions to this problem as a long term strategy. In the present study, to select inbred lines for breeding of maize with high efficiency in Fe utilization, we screened 123 inbred lines at the seedling stage by analyzing secretion pattern of phytosiderophores, a class of non-protein amino acids released by graminaceous species for Fe utilization, using high-performance liquid chromatography. One hundred and twenty three inbred lines were clustered into nine groups. The low PS secretion rate under Fe-sufficient condition and high PS secretion rate increment after Fe-deficiency treatment type were the ideal inbred lines for breeding of maize with high efficiency in Fe utilization.

Cite this paper: Li, Y. , Dong, B. and Zhang, C. (2014) Selection of Inbred Lines for Breeding of Maize with High Efficiency in Iron Utilization. Agricultural Sciences, 5, 483-489. doi: 10.4236/as.2014.56049.

[1]   Kobayashi, T. and Nishizawa, N.K. (2012) Iron Uptake, Translocation, and Regulation in Higher Plants. Annual Review of Plant Biology, 63, 131-152.

[2]   Chen, Y. and Barak, P. (1982) Iron Nutrition of Plants in Calcareous Soils. Advances in Agronomy, 35, 217-240.

[3]   Hindt, M.N. and Guerinot, M.L. (2012) Getting a Sense for Signals: Regulation of the Plant Iron Deficiency Response. Biochimica Biophysica Acta (BBA)—Molecular Cell Research, 1823, 1521-1530.

[4]   Marschner, H. and Römheld, V. (1994) Strategies of Plants for Acquisition of Iron. Plant and Soil, 165, 261-274.

[5]   Walker, E.L. and Connolly, E.L. (2008) Time to Pump Iron: Iron-Deficiency-Signaling Mechanisms of Higher Plants. Current Opinion in Plant Biology, 11, 530-535.

[6]   Römheld, V. and Marschner, H. (1990) Genotypical Differences among Graminaceous Species in Release of Phytosiderophores and Uptake of Iron Phytosiderophores. Plant and Soil, 123, 147-153.

[7]   Luo, C.L., Shen, Z.G. and Li, X.D. (2008) Root Exudates Increase Metal Accumulation in Mixed Cultures: Implications for Naturally Enhanced Phytoextraction. Water, Air, and Soil Pollution, 193, 147-154.

[8]   Tang, Q.Y. and Feng, M.G. (2007) DPS Data Processing System: Experimental Design, Statistical Analysis and Data Mining. Science Press, Beijing.

[9]   Gómez-Galera, S., Rojas, E., Sudhakar, D., Zhu, C., Pelacho, A.M., Capell, T. and Christou, P. (2010) Critical Evaluation of Strategies for Mineral Fortification of Staple Food Crops. Transgenic Research, 19, 165-180.

[10]   Suzuki, M., Takahashi, M., Tsukamoto, T., Watanabe, S., Matsuhashi, S., Yazaki, J., Kishimoto, N., Kikuchi, S., Nakanishi, H., Mori, S. and Nishizawa, N.K. (2006) Biosynthesis and Secretion of Mugineic Acid Family Phytosiderophores in Zinc-Deficient Barley. Plant Journal, 48, 85-97.

[11]   Ishimaru, Y., Bashir, K. and Nishizawa, N.K. (2011) Zn Uptake and Translocation in Rice Plants. Rice, 4, 21-27.