Abstract
The allelopathic potential of two cultivars of sunflower (Helianthus annuus L.) Lech and Ogrodowy was studied. Leaf aqueous extracts of sunflower at 2.5, 5, and 10 % (m/v) concentrations were applied to determine their effect on mustard (Sinapis alba) seed germination and seedlings growth under laboratory conditions. Increasing concentration of aqueous extracts of sunflower inhibited seed germination, up to almost complete failure of germination, observed in the presence of 10 % extract from sunflower cv. Ogrodowy. The decrease in germinability was well correlated with increased membrane deterioration, assayed as electrical conductivity and enhanced lipid peroxidation, detected as increased malondialdehyde content.
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Abbreviations
- O:
-
sunflower cv. Ogrodowy
- L:
-
sunflower cv. Lech
References
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Bogatek, R., Gniazdowska, A., Zakrzewska, W. et al. Allelopathic effects of sunflower extracts on mustard seed germination and seedling growth. Biol Plant 50, 156–158 (2006). https://doi.org/10.1007/s10535-005-0094-6
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DOI: https://doi.org/10.1007/s10535-005-0094-6