Physiological and Biochemical Characteristics of Two Soybean Cultivars with Different Seed Vigor During Seed Physiological Maturity

Author(s): Jiaping Wei, Haihong Zhao, Xiaolin Liu, Sushuang Liu, Linzhi Li, Hao Ma*

Journal Name: Current Proteomics

Volume 18 , Issue 1 , 2021

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Abstract:

Background: The soybean seed’s physiological maturity (R7) period is an extraordinary period for the formation of seed vigor. However, how proteins and their related metabolic pathways in seed and leaf change during seed physiological maturity is still not fully understood.

Methods: In the present study, using a pair of pre-harvest seed deterioration-sensitive and -resistant soybean cultivars Ningzhen No. 1 and Xiangdou No. 3, the changes were investigated through analyzing leaf, cotyledon and embryo at the levels of protein, ultrastructure, and physiology and biochemistry.

Results: Soybean cultivars with stronger photosynthetic capacity in leaf, higher nutrients accumulation and protein biosynthesis in cotyledon, as well as stronger resistant-pathogen ability and cell stability in embryo during seed physiological maturity, would produce higher vitality seeds.

Conclusion: Such a study allows us to further understand the changes at protein, ultrastructure, and physiology and biochemistry levels in developing seeds during the physiological maturity and provide a theoretical basis for cultivating soybean cultivars with higher seed vigor.

Keywords: Soybean, physiological maturity, seed vigor, proteomics, ultrastructure, physiology and biochemistry.

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Article Details

VOLUME: 18
ISSUE: 1
Year: 2021
Published on: 02 February, 2021
Page: [71 - 80]
Pages: 10
DOI: 10.2174/1570164617666200127142051
Price: $25

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