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Factors Affecting Tausch’s Goatgrass (Aegilops tauschii Coss.) Seed Germination and Seedling Emergence

Author

Listed:
  • Feng Fang
  • Chaoxian Zhang
  • Shouhui Wei
  • Hongjuan Huang
  • Weiwei Liu

Abstract

Tausch’s goatgrass, Aegilops tauschii (Coss.) is one of the most troublesome weeds in winter wheat (Triticum aestivum L.) producing areas of Yellow River valley of China. The effects of environmental factors affecting seed germination and seedling emergence were evaluated in laboratory and greenhouse experiments. The germination of Tausch’s goatgrass seeds occurred at temperatures ranging from 0 to 40oC, with optimum germination attained between 15 and 25oC. Tausch’s goatgrass seed is rather tolerant to low water potential and high salinity stress as germination was 70% and 65% at osmotic potentials of -1.7 MPa and salinity level of 400 mM, respectively. Medium pH and light have no significant effect on seed germination. Highest emergence (>80%) occurred from depths of 1 to 3cm, but no seedlings emerged when burial depth reached 8cm. Knowledge of germination biology of Tausch’s goatgrass obtained in this study will be useful in predicting the potential distribution area and developing effective management strategies for this species.

Suggested Citation

  • Feng Fang & Chaoxian Zhang & Shouhui Wei & Hongjuan Huang & Weiwei Liu, 2012. "Factors Affecting Tausch’s Goatgrass (Aegilops tauschii Coss.) Seed Germination and Seedling Emergence," Journal of Agricultural Science, Canadian Center of Science and Education, vol. 4(1), pages 114-114, January.
  • Handle: RePEc:ibn:jasjnl:v:4:y:2012:i:1:p:114
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    JEL classification:

    • R00 - Urban, Rural, Regional, Real Estate, and Transportation Economics - - General - - - General
    • Z0 - Other Special Topics - - General

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