Allelopathic effects of ragweed (Ambrosia artemisiifolia L.) on cultivated plants

During the past years ragweed has been coming to the forefront of interest in Hungary and in other European countries as well because its serious health risk. Results of the 5th National Weed Survey has proven that ragweed is the most important weed species on Hungarian field lands, its coverage sho...

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Bibliographic Details
Published in:	Communications in agricultural and applied biological sciences Vol. 76; no. 3; p. 545
Main Authors:	Lehoczky, E, Gólya, G, Szabó, R, Szalai, A
Format:	Journal Article
Language:	English
Published:	Belgium 2011
Subjects:	Ambrosia - chemistry Avena - drug effects Avena - growth & development Crops, Agricultural - drug effects Crops, Agricultural - growth & development Germination - drug effects Plant Extracts - isolation & purification Plant Extracts - pharmacology Plant Shoots - chemistry Plant Weeds - chemistry Secale - drug effects Secale - growth & development Seeds - chemistry Triticum - drug effects Triticum - growth & development Zea mays - drug effects Zea mays - growth & development
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Summary:	During the past years ragweed has been coming to the forefront of interest in Hungary and in other European countries as well because its serious health risk. Results of the 5th National Weed Survey has proven that ragweed is the most important weed species on Hungarian field lands, its coverage shows a rising tendency in cereals moreover it not only occurs in cultivated plants. Allelopathic effects of aqueous extracts derived from different parts of ragweed plants (air dried leafy stems, seeds) on the germination and growth of other cultivated plants [maize (Zea mays L.), winter wheat (Triticum aestivum L.), rye (Secale cereale L.), oat (Avena sativa L.)] were studied. The extracts made for the trials were prepared with distilled water. Petri dishes were used for the germination experiments and distilled water was used as a control treatment. The seven days long experiment was carried out within a Binder-type thermostat under dark conditions. The germination percentage was checked in every two days and the growth of sprouts was evaluated after a week counting the germinated seeds and measuring the length of the radicle and plumule. The measured data were statistically analysed and the effect of extracts on germinating and length of sprouts were assessed.
ISSN:	1379-1176