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2011 (Vol. 3, Issue: 6)
Article Information:

Allelopathy of 68 Iranian Wheat Genotypes Released between 1939 and 2009

Hamid Reza Miri
Corresponding Author:  Hamid Reza Miri 

Key words:  Allelopathy, genetic variation, water extract, weed management, , ,
Vol. 3 , (6): 462-468
Submitted Accepted Published
2011 July, 25 2011 October, 07 2011 November, 15
Abstract:

Allelopathic potential of wheat plant and genotypic variation among cultivars has been observed in several studies. In order to recognize and screen allelopathic potential of wheat genotypes against Amaranthus retroflexus, Hordeum spontaneum and Avena fatua, a glasshouse experiment was conducted, using 68 wheat genotypes. Root and shoot water extracts of wheat genotypes were prepared from fourth leaf stage wheat plants. Weeds root length was measured after germination in Petri dishes exposed to wheat extracts. The results showed considerable variation in inhibitory potential of wheat genotypes. Shoot extracts had higher allelopthic effects than root extract. The highest inhibitory effects were observed in the cultivars Rasool, Mahdavi, Navid, Karaj1, Adl1, Gaspard, Gascogen, Bam, Arvand, Baiat and Azadi, but high variation in weed responses were observed. In conclusion, some wheat genotypes had more allelopathic potential so they could be built into weed management programs.
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  Cite this Reference:
Hamid Reza Miri, 2011. Allelopathy of 68 Iranian Wheat Genotypes Released between 1939 and 2009.  Asian Journal of Agricultural Sciences, 3(6): 462-468.
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ISSN (Online):  2041-3890
ISSN (Print):   2041-3882
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