Determining the best treatment to improve seed germination of Agriophyllum minus plant

Document Type : Research Paper

Authors

Abstract

In addition to medicinal properties, Agriophyllum minus plant is so important in sand dunes fixation, soil conservation and livestock feeding. According to the germination difficulties, thisstudy investigates seed germination of this plant undercold and halopriming techniques. For this purpose, after applying different cold treatments like control, seed freeze, 20 days continuous cold, alternative cold every 5 days and night cold, the seeds were placed in 3 repeats of 50 seeds in germinator. This experiment was also done with 4 concentration levels of KNO3 (0, 50, 100 and 200 mmol) and 4 time levels (0, 24, 48, 72 hours)with 3 replications using factorial experiments in the form of completely randomizeddesign. Results showed that the cold treatment had a significant effect on germination percentage, daily germination mean, germination index, time of germination mean (p<0.01) and seed vigor index in 5% level. Night cold treatment had a significant increase in terms of germination percentage, daily germination mean, seed vigor index and germination index, compared to other treatments. The results also demonstrated that KNO3 concentration effect was significant on germination speed and time of germination mean (p<0.05). Therefore, applying cold treatment, especially night cold, as a new approach to improve germination quality of this medicinal plant, can help to increase production, development and restoration of destroyed arid lands, soil conservation and, sand dunes fixation and, finally sustainable development. 

Keywords

References

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Journal of Arid Biome
Volume 5, Issue 2
October 2015
Pages 103-110

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