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[1]MA Hai-ge,JIANG Qi,WANG Zhan-jun,et al.Effects of Light and Temperature on Seed Germination of Glycyrrhiza uralensis under Different Pretreatment[J].Research of Soil and Water Conservation,2014,21(05):225-229,235.

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Effects of Light and Temperature on Seed Germination of Glycyrrhiza uralensis under Different Pretreatment

Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume: 21 Number of periods: 2014 05 Page number: 225-229,235 Column: Public date: 2014-10-28

Title:: Effects of Light and Temperature on Seed Germination of Glycyrrhiza uralensis under Different Pretreatment

Author(s):: MA Hai-ge¹, JIANG Qi^1,2, WANG Zhan-jun², LIU Hua², HE Jian-long²; 1. Key Lab for Restoration and Reconstruction of Degraded Ecosystem in Northwestern China of Ministry of Education, Ningxia University, Yinchuan 750021, China;
2. Desert Institute of Academy of Agriculture and Forestry Sciences of Ningxia, Yichuan 750002, China

Keywords:: temperature; light; Glycyrrhiza uralensis; seed germination; seedling growth

CLC:: S567.7⁺1

DOI:: -

Abstract:: In order to determine the best temperature and light conditions for Glycyrrhiza uralensis seed germination and seedling growth, the effects of different light and temperature conditions on the germination of Glycyrrhiza uralensis seed under the pretreatment of concentrated sulfuric acid and water were analyzed in the biochemical incubator. The results indicated that: (1) the pretreatment of concentrated sulfuric acid significantly increased the germination rate and made the germination nearly keep in the same time; (2) the germination temperature for Glycyrrhiza uralensis seed was 10～40℃, but it would inhibit seed germination and seedling growth when the temperature was too high or too low, the optimum temperature was 20～30℃; (3) seed under pretreatment of water was readily germinated when the light was given for 10 h/d, and pretreatment of concentrated sulfuric acid can reduce seed dependence on light, full dark can accelerate the growth of seedling radicle and hypocotyl. The suitable germination condition of Glycyrrhiza uralensis seed was 20~30℃, lighting 10 h/d, 20℃ was suitable for seedling’s radicle, while 30℃ was favorable for the hypocotyl.

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