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. 2014 Dec 3;14:465. doi: 10.1186/1472-6882-14-465

Table 3.

Phytotoxic effect of the crude extract, subsequent fractions and crude saponins of P. hydropiper against radish seeds

Samples Conc. mg/ml Average root length (mm) mean ± SEM Average no of seeds inhibited mean ± SEM Root length inhibition % mean ± SEM IC 50 μg/ml Seeds inhibition % mean ± SEM IC 50 μg/ml
Ph.Cr 1000 5.13 ± 0.20 17.00 ± 0.58 82.38 ± 0.68*** 16 68.00 ± 2.8*** 310
500 6.87 ± 0.26 14.66 ± 0.89 76.41 ± 0.89*** 58.64 ± 3.5***
250 8.23 ± 0.20 11.33 ± 0.89 71.74 ± 0.68*** 45.32 ± 2.8***
Ph.Hex 1000 5.33 ± 0.49 19.33 ± 0.33 82.70 ± 1.6*** 77.32 ± 1.3***
500 5.03 ± 0.23 17.33 ± 0.67 81.73 ± 0.78*** 124 69.32 ± 2.7*** 215
250 12.03 ± 0.48 12.33 ± 0.67 58.70 ± 1.60*** 49.32 ± 2.7***
Ph.Chf 1000 3.9 ± 0.52 21.67 ± 0.89 86.61 ± 1.70*** 86.68 ± 3.5***
500 8.4 ± 0.33 19.00 ± 1.15 71.16 ± 1.10*** 145 76.00 ± 4.6*** 35
250 11.3 ± 0.43 18.00 ± 0.00 61.20 ± 1.40*** 72.00 ± 0.0***
Ph.EtAc 1000 2.23 ± 0.40 22.33 ± 1.20 92.34 ± 1.30ns 89.32 ± 4.8***
500 4.9 ± 0.43 21.66 ± 1.20 83.17 ± 1.40*** 11 85.32 ± 4.8 ns 50
250 5.9 ± 0.20 17.67 ± 0.89 79.74 ± 0.68* 70.68 ± 3.5***
Ph.Bt 1000 4.0 ± 0.37 21.33 ± 0.89 86.26 ± 1.25*** 85.32 ± 3.5***
500 5.93 ± 0.49 18.00 ± 0.58 79.64 ± 1.60*** 8 72.00 ± 0.0*** 100
250 7.03 ± 0.23 16.00 ± 0.00 75.86 ± 0.78*** 64.00 ± 0.0***
Ph.Aq 1000 6.2 ± 0.23 18.33 ± 0.89 78.71 ± 0.78*** 73.32 ± 3.5***
500 8.8 ± 0.37 12.67 ± 0.89 69.79 ± 1.20*** 170 50.68 ± 3.5*** 485
250 12.9 ± 0.48 07.00 ± 1.15 55.71 ± 1.60*** 28.00 ± 4.6***
Ph.Sp 1000 5.00 ± 0.50 22. 00 ± 1.10 91.90 ± 0.75 ns 89.25 ± 2.2***
500 7.25 ± 0.20 19.00 ± 1.50 82.10 ± 1.50*** 10 77.25 ± 1.0*** 60
250 8.50 ± 0.58 17.00 ± 0.89 79.74 ± 0.68* 70.68 ± 1.5***
Positive control 1000 1.93 ± 0.49 24.67 ± 0.89 93.64 ± 1.60 98.61 ± 1.70
500 3.03 ± 0.23 22.16 ± 1.10 89.20 ± 1.40 0.89 88.22 ± 0.23 0.89
250 5.71 ± 0.78 21.90 ± 0.52 83.33 ± 1.20 87.93 ± 0.49
Negative control ——— 29.13 ± 0.37 ——— —— —— —— ——

Standard drug (P. Control) Paraquat IC50 = 0.89 μg/ml. Results expressed as average seeds inhibition, % inhibition and Inhibition of root length (mean ± SEM n = 3) and IC50. Values significantly different as compare to Standard drug; *P < 0.05, *** P < 0.001.