III. Results And Discussion
3.1. Germination Leachates of leaves of the plant inhibited the seed germination of mustard and Amaranthus but not that of rice. The germination percentage was significantly lower (p< 0.001) in all treatment (1, 2 and 4%) plants than the control plants in case of Amaranthus (Fig- 1). The inhibitory effect gradually increased with progressive increase in concentration of the leachates. In case of mustard, the RGR value is significantly (p< 0.001) lower in the leachate treated set of seeds than that in the control water treated seeds. Among all the experimental set up for RGR determination, the lowest RGR value (9%) was exhibited in mustard seeds treated with 4% leachate (Fig-2). Percentage of inhibition of germination was highest (71.2%, 80.2% and 91% respectively in case of 1%, 2% and 4% leachate) in case of mustard among all the three test species. On the other hand, the germination of rice was not affected by the presence of Albizia saman leaf leachate (Fig-3). Result showed that there was no significant difference (p value 0.8125) in treated plants when compared with the control plants. Among the test crops, the rice plant showed highest level of RGR value (100% in both 1% and 2% leachate). But in case of 4% leachate, the RGR value (98%) was slightly decreased than the control plants.
III. Results And Discussion3.1. Germination Leachates of leaves of the plant inhibited the seed germination of mustard and Amaranthus but not that of rice. The germination percentage was significantly lower (p< 0.001) in all treatment (1, 2 and 4%) plants than the control plants in case of Amaranthus (Fig- 1). The inhibitory effect gradually increased with progressive increase in concentration of the leachates. In case of mustard, the RGR value is significantly (p< 0.001) lower in the leachate treated set of seeds than that in the control water treated seeds. Among all the experimental set up for RGR determination, the lowest RGR value (9%) was exhibited in mustard seeds treated with 4% leachate (Fig-2). Percentage of inhibition of germination was highest (71.2%, 80.2% and 91% respectively in case of 1%, 2% and 4% leachate) in case of mustard among all the three test species. On the other hand, the germination of rice was not affected by the presence of Albizia saman leaf leachate (Fig-3). Result showed that there was no significant difference (p value 0.8125) in treated plants when compared with the control plants. Among the test crops, the rice plant showed highest level of RGR value (100% in both 1% and 2% leachate). But in case of 4% leachate, the RGR value (98%) was slightly decreased than the control plants.
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