SUPPRESSIVE MECHANISMS OF USED PUMICE TO BACTERIAL WILT OF TOMATO AND THEIR APPLICATION INTO BIOLOGICAL CONTROL IN HYDROPONIC PUMICE CULTURE - Soil Ecology Research Developments - page 167

Figure 4. Effect of the additions of Ca, Mg and K to unused pumice on disease index of bacterial wilt of
tomato C200￿Ca 200mg kg-1as CaCl2. C500￿Ca 500mg kg-1, C800￿Ca 800mg kg-1. CMK200￿Ca
200mg kg-1, Mg and K each 16mg kg-1 as MgCl2 and KCl. CMK500￿Ca 500mg kg-1, Mg and K
each 46mg kg-1. CMK800￿Ca 800mg kg-1, Mg and K each 76mg kg-1. Data are means ±SE of
triplicates.
Figure 5. Estimate of dominant microbes in used pumice by the substrate induced respiration method.
Ch:cycloheximide, Rif/Km:rifampicin/kanamycin. Data are means ±SE of triplicates.