Study of allelopathic interaction of wheat (Triticum aestivum L.) and Rye

Asian Journal of Agricultural Sciences

2009 Volume: 1, Issue: 2, Page no: 25-28

Study of allelopathic interaction of wheat (Triticum aestivum L.) and Rye (Secale cereal L.) using equal-compartment-agar method

MOHAMMAD REZA LABBAFI1, FARIBA MEIGHANI1*, ASADOLLAH HEJAZI2, HAMIDE KHALAJ2, MOHAMMAD ALI BAGHESTANI1, IRAJ ALLAHDADI2, ALI MEHRAFARIN3

1Weed Research Department, Iranian Crop Protection Research Institute, Tehran, Iran

 2Department of Agronomy and Plant Breeding, Abooreihan Campus, University of Tehran, Pakdasht, Iran

 3 Department of Agronomy, Science and Research Campus, Islamic Azad University, Tehran, Iran

 

ABSTRACT

There are many methods for weed management one of them is using allelopathy in weed management programs. Equal-compartment-agar method was used for studying allelopathic interaction of wheat and rye. In order to studying of sowing time (delayed sowing, synchronic sowing) on allelopathic interaction of wheat cultivars (Shiraz, Roshan, Tabasi, Niknejad) and rye (Secale cereale) on primary growth of rye and wheat, an experiment was done as factorial arrangement in a completely randomized design with 4 replications. According to the results, the inhibitory effect of wheat on rye was more than in synchronic sowing, compared to delayed sowing. Roshan had the highest allelopathic potential on rye, compared to other wheat cultivars. On the other hands, Roshan cultivar showed the highest sensitivity in the presence of rye. Root length showed the most sensitivity to released allelochemicals from wheat cultivars, because root has the most contact with allelochemicals.

Keyword: allelopathy, wheat, rye, equal-compartment-agar method

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