The allelopathic effect of Artemisia aucheri Boiss on some seed germination properties of Bromus tomentellus Boiss and Bromus inermis Leyss

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Abstract:
Allelopathy has rarely been challenged in range improvement despite being the main concern in the restoration of rangelands. In this research the potential allelopathic impact of Artemisia aucheri on seed germination and the initial growth of Bromus tomentellus and Bromus inermis was examined. For this aim, the aerial parts powder of Artemisia aucheri (stem, leaf and seed) collected from habitats during the flowering stage (the end of November) was prepared. Also, distilled water was used as control. A completely randomized design was carried out using six treatments and four replications in the laboratory of seed ecology at the faculty of natural recourses in 2011. The research results showed a significant effect of the aqueous extracts of Artemisia aucheri on seed germination percentage, seed germination rate, plumule and radicle length, and seed vigor of the two species. The germination percentage, seed germination rate, plumule and radicle length, and seed vigor of Bromus tomentellus and Bromus inermis were significantly reduced under the aqueous extracts of Artemisia aucheri.
Language:
Persian
Published:
Journal of Plant Ecosystem Conservation, Volume:1 Issue: 2, 2013
Pages:
71 to 80
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