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55                                52.62
                                                                      47.83
                                          % Inhibition  45  35.91  42.43


                                             35
                                                                         y = 0.06x + 23.458
                                                                           2
                                                                          R  = 0.9923
                                                28.56
                                             25
                                              100      200      300      400      500
                                                   conc. of  leaves of  Dendrocalamus sericeus (µg/ml.)


                  Figure 1. Percent of  inhibition at various concentrations of  Dendrocalamus sericeus  leaves  solution





                                            52                                 51.12
                                                                      49.63
                                          % Inhibition  49  46.55
                                                             48.35

                                            46
                                                                        y = 0.0169x + 34.488
                                                                           2
                                                                          R  = 0.9861
                                               44.23
                                            43
                                             600       700      800      900      1000
                                                      conc. of  leaves of  Bambusa sp. (µg/ml.)

                  Figure 2. Percent of  inhibition at various  concentrations of   Bambusa sp. leaves  solution






                                            55                                  53.90
                                                                      51.95
                                          % Inhibition  50  46.63  48.13


                                            45
                                                                         y = 0.0263x + 30.378
                                                                            2
                                               43.40                       R  = 0.9861
                                            40
                                              500      600      700      800      900
                                                  conc. of  leaves of Dendrocalamus  brandisii  (µg/ml.)


                  Figure 3. Percent of  inhibition at  various concentrations of  Dendrocalamus  brandisii  leaves  solution












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