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This study aims to explore the allelopathic effects of specific plant aqueous extracts on the germination and growth of selected weeds and crops.

Allelopathic effects of four spontaneous plants from arid regions on the germination and growth of selected weeds and crops

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Randomized trial investigates allelopathic impact of four plants on weed and crop growth, suggesting natural herbicide potential.

This study aims to explore the allelopathic effects of specific plant aqueous extracts on the germination and growth of selected weeds and crops.
Evaluated aqueous extracts of four plants from Tunisian arid regions on two weeds and two crops at varying concentrations.
Measured allelochemical content, including polyphenols, using LC-MS analysis, and assessed antioxidant capacity.
Conducted growth bioassays to analyze root and shoot sensitivity in response to extracts.
Retama raetam and Nerium oleander showed the highest levels of phenolic compounds and antioxidant capacity, inhibiting weed germination effectively at 20 g/L.
Solanum lycopersicum demonstrated over 50% germination even at high extract concentrations, showing greater tolerance compared to the weeds.
In silico docking revealed specific metabolites interacting with key enzymes, supporting the allelopathic activity of these extracts.

Harabi et al. (2026) studied this question.

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View Full Paper

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Authors

Randomized trial investigates allelopathic impact of four plants on weed and crop growth, suggesting natural herbicide potential.

This study aims to explore the allelopathic effects of specific plant aqueous extracts on the germination and growth of selected weeds and crops.
Evaluated aqueous extracts of four plants from Tunisian arid regions on two weeds and two crops at varying concentrations.
Measured allelochemical content, including polyphenols, using LC-MS analysis, and assessed antioxidant capacity.
Conducted growth bioassays to analyze root and shoot sensitivity in response to extracts.
Retama raetam and Nerium oleander showed the highest levels of phenolic compounds and antioxidant capacity, inhibiting weed germination effectively at 20 g/L.
Solanum lycopersicum demonstrated over 50% germination even at high extract concentrations, showing greater tolerance compared to the weeds.
In silico docking revealed specific metabolites interacting with key enzymes, supporting the allelopathic activity of these extracts.

Harabi et al. (2026) studied this question.

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