Abstract

This study was conducted on a wild carob genotype grown in Al-Jabal Al-Akhdar area (Balagrae, Al-Baida, Libya). Seeds belonging to three individual trees chosen at random were collected. Seven different pre-sowing treatments (soaking in distilled water, boiling water 100C, soaking in sulphuric acid, mechanical scarification, mechanical scarification & soaking in distilled water, mechanical scarification & soaking in sulphuric acid and untreated seeds) were applied and examined for their effectiveness to stimulate carob seed germination. The results showed that mechanical scarification & soaking in distilled water treatment was the most effective method in increasing the germination percentage by (94.33%) compared to untreated seeds (5.99%). Mechanical scarification & soaking in distilled water treatment significantly decreased the mean germination time value (MGT) by (2.83 days). An MGT value was significantly higher in control treatment (23.22 days).

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