Studies on Physiological Characteristics of Aging-resistence of Ultradried Ceratoides arborescens Seeds

TONG Lirong; DONG Kuanhu

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Studies on Physiological Characteristics of Aging-resistence of Ultradried Ceratoides arborescens Seeds

TONG Lirong 1 *,DONG Kuanhu 2

1.College of Animal Science and Technology, Shanxi Agricultural University, ShanXi TaiGu 030801

2.College of Animal Science and Technology, Shanxi Agricultural University, Taigu, Shanxi Province 030801, China

*Correspondence author

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Funding: Specialized Research Fund foe the Doctoral Program of Higher Education（No.No.20111403120007）

Opened online:23 July 2012

Accepted by: none

Citation: TONG Lirong,DONG Kuanhu.Studies on Physiological Characteristics of Aging-resistence of Ultradried Ceratoides arborescens Seeds[OL]. [23 July 2012] http://en.paper.edu.cn/en_releasepaper/content/4484927

Ceratoides arborescens seeds were tested for the effects of aging-resistance and free radical scavenging following seed ultradry. The results indicated that: (1)Ultradried seeds under the conditions of certain moisture content showed no adverse effect on seed vigor. Furthermore, ultradried seeds significantly enhanced aging-resistant capability under aging-accelerating condition (45℃, 2 days). The critical moisture content for Ceratoides arborescens seeds was about 3.78%. (2) Activities of the antioxidant enzymes including catalase and superoxide dismutase were reserved during storage in an ultradry state. (3) During ultradrying of Ceratoides arborescens seeds, the level of free radicals increased, but decreased as prehumidification before imbibition, which had a scavenging action on free radicals.

Keywords:Grass Science; Ceratoides arborescens seeds; ultradrying; aging-resistance; free radical

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