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International Journal of Agricultural Research
  Year: 2007 | Volume: 2 | Issue: 4 | Page No.: 397-401
DOI: 10.3923/ijar.2007.397.401
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Aspects of the Allelopathic Potential of Horseweed (Conyza albida)

I.S. Travlos , G. Economou , P.J. Kanatas and O. Tzakou

The allelopathic effects of three plant tissues of Conyza albida (stems, leaves and inflorescences) on oat growth were further investigated using in vivo tests. Oat growth (fresh and dry weights of above and underground parts) was significantly inhibited from phytotoxic activity of upper leaves and inflorescence tissues of C. albida in pot experiments. The inhibition was significantly higher than in the case of stems. The inhibiting action of crude extracts and volatile compounds from young plants (rosette) were examined using two bioassay methods: (a) seed germination and radicle growth of oat and (b) fresh weight of duckweed plants. Both bioassayed species exhibited great phytotoxic response from the young plants, collected in winter, confirming the results of previous studies.
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How to cite this article:

I.S. Travlos , G. Economou , P.J. Kanatas and O. Tzakou , 2007. Aspects of the Allelopathic Potential of Horseweed (Conyza albida). International Journal of Agricultural Research, 2: 397-401.

DOI: 10.3923/ijar.2007.397.401






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