Identification and characterization of low phytic acid germplasm in maize (Zea mays L.)

doi:10.3969/j.issn.1004-1524.2018.08.03

›› 2018, Vol. 30 ›› Issue (8): 1288-1294.DOI: 10.3969/j.issn.1004-1524.2018.08.03

• Crop Science • Previous Articles Next Articles

Identification and characterization of low phytic acid germplasm in maize (Zea mays L.)

XU Xiuhong¹, LYU Guihua², GUO Guojin², CHEN Jianjian²

1. Key Laboratory of Tobacco Quality in Guizhou Province, College of Tobacco Science, Guizhou University, Guiyang 550025, China;
2.Dongyang Maize Research Institute of Zhejiang Province, Dongyang 322100, China

Received:2018-03-29 Online:2018-08-25 Published:2018-08-28

Abstract

Abstract: In this study, by⁶⁰Coγ radiation mutagenesis, two high inorganic phosphorus maize mutants, lpa-zhong1 and lpa-zhong2, were created. The allelism of mutation and genetic controlling types, as well as seed germination rate and field emergence rate, the concentrations of various forms of phosphorus, trace elements content, agronomic traits and yield-related agronomic traits of the mutant lines and wild type parent lines, were studied in this study. The results showed that the two mutations are allelic, and the mutant was controlled by a single recessive gene. The mutation accounted for low germination rate, significantly increased concentrations of inorganic phosphorus and significantly reduced concentrations of phytic acid. Compared with the wild type parent lines, the trace elements content and agronomic traits of the maize mutant lines had no significant difference. Except the significant decline in the 100 grain weight, other yield-related traits had no significant difference.

Key words: maize, phytic acid, high inorganic phosphorus (HIP), mutant lines, character

CLC Number:

S513

XU Xiuhong, LYU Guihua, GUO Guojin, CHEN Jianjian. Identification and characterization of low phytic acid germplasm in maize (Zea mays L.)[J]. , 2018, 30(8): 1288-1294.

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Identification and characterization of low phytic acid germplasm in maize (Zea mays L.)

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