Effect of warm water treatment on seed germination characteristics of <i>Astragalus membranaceus</i> var.<i>mongholicus</i> L

Cheng Yao; Fang Xiang-Wen; Jiang Zhi-Rong; Ma Yu-Ting; Xiao Sheng-Wang

doi:10.11913/PSJ.2095-0837.2017.30413

Plant Science Journal > 2017 > 35(3): 413-420. > DOI: 10.11913/PSJ.2095-0837.2017.30413 CSTR: 32231.14.PSJ.2095-0837.2017.30413

Cheng Yao, Fang Xiang-Wen, Jiang Zhi-Rong, Ma Yu-Ting, Xiao Sheng-Wang. Effect of warm water treatment on seed germination characteristics of Astragalus membranaceus var.mongholicus L[J]. Plant Science Journal, 2017, 35(3): 413-420. DOI: 10.11913/PSJ.2095-0837.2017.30413

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Effect of warm water treatment on seed germination characteristics of Astragalus membranaceus var.mongholicus L

1. Gansu Agricultural University College of Forestry, Lanzhou 730070, China;
2. State Key Laboratory of Grassland Agro-ecosystems, Lanzhou University, Lanzhou 730070, China;
3. Gansu Rural Development Research Institute, Lanzhou 730070, China

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This work was supported by grants from the National Natural Science Foundation of China (31422011,31370423) and Fundamental Research Funds for the Central Universities (Lzujbky-2016-k12).

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Received Date: October 12, 2016
Available Online: October 31, 2022
Published Date: June 27, 2017

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Abstract

Abstract

The seeds of Astragalus membranaceus var.mongholicus were treated at constant and variable temperatures for different durations.The seed germination rate,germination potential,and germination index were determined,and the optimal warm water method to break seed dormancy was explored.Results showed that (1) seed dormancy was counteracted by soaking seeds with warm water,with variable temperatures better than constant temperatures.(2) The order of treatment was 60℃> 70℃> 80℃,and the germination rates were 2.87 and 2.31 times that of the control at 60℃ for 2 min and 5 min,respectively (P < 0.01).(3) Treatment duration and soaking temperatures significantly affected seed germination.Compared with the control,the germination rate increased with soaking time at first,but decreased afterwards.There was a significant positive correlation between germination index and soaking temperature (P< 0.01),with a correlation coefficient of-0.226,as well as between soaking temperature and germination potential and germination index,indicating that soaking seeds in warm water improved germination without damaging seed viability.
- Astragalus membranaceus Bge.var.mongholicus(Bge.) Hsiao,
- Soaking seeds,
- Warm water,
- Germination rate,
- Seed dormancy

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References (31)

References

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