an efficient method in breaking of dormancy from b unium persicum (boiss) fedtsch seeds: a valuable herb of middle east and central asia

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ID: 255911
2014
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Abstract
Objective: To develop a protocol for breaking of seed dormancy and increasing the seed germination rate of Bunium persicum. Methods: The seeds were treated with 3.1, 6.3, 12.5, 25, 50 and 100 μmol/L of benzyl aminopurine, gibberellic acid (GA3), thidiazuron (TDZ) and forchlorfenuron. Then, seeds were transferred to two different temperature conditions including room temperature (25 °C) and chilling temperature (2-5 °C). Results: The treatment of moist seeds with chilling temperature (2-5 °C) broke seed dormancy and showed maximum germination, which was 54.7% after 60 d treatment. Also, the treatment of dry seeds with chilling temperature broke seed dormancy with 9.3% germination rate after 120 d. Treatment of seeds with different level of plant growth regulators showed that under moist-room condition, there was evidence of higher and lower seed germination rate: GA3 (100 μmol/L) with 46.7% and TDZ (50 μmol/L) with 6.67% respectively. In addition, the results showed that under moist-chilling condition, TDZ (6.3 μmol/L) with 53.3% seed germination rate had higher influence on breaking seed dormancy. Treatment of seeds with combination of TDZ and GA3 under moist-chilling condition revealed higher rate of breaking of seed dormancy when 6.3 μmol/L TDZ was combined with 100 μmol/L GA3, showing 93.7% germination rate. Conclusions: The effect of plant growth regulators coupled with chilling temperature on breaking of seed dormancy could provide a large number of seedlings while the long juvenile time which is the next restricting factor of plantation still remained. Thus, the subsequent growth of seedlings to provide a large number of corms is necessary for successful plantation.
Reference Key
emamipoor2014asianan Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Yousef Emamipoor;Mahmood Maziah
Journal Organic letters
Year 2014
DOI
10.12980/APJTB.4.2014APJTB-2014-0042
URL
http://www.sciencedirect.com/science/article/pii/S2221169115300800
Keywords
seed germination tropical medicinebiology (general)

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