Bacterial blight disease of pomegranate caused by Xanthomonas axonopodis pv. punicae is one of the most destructive disease of pomegranate (Punica granatum). Study was undertaken to conduct collection of samples, isolation, identification, pathogenicity, study of different characters of pathogen, morphological variability, cultural variability and biochemical variability of selected isolates and in vitro evaluation. The isolations were made from the symptomatic samples collected from different districts of Maharashtra (India). The studies takes for all eight isolates on gram staining was showed gram negative reaction. The studies on biochemical characteristics of Xanthomonas axonopodis pv. punicae showed their positive reactions for potassium hydroxide (KOH) solubility test, starch hydrolysis test, Gelatin liquification, H2S Production, catalase test, oxidase test, Tolerance to 1% NaCl whereas, negative response for indole production, urease test, Arginine test Methyl red test.

This research papers is the characteristic study and suggestive measure for disposal mechanism for the sludge. Sludge is one of the important common waste materials which is generated in tons per day from many industries. The different types of waste materials can undergo various treatment based upon its characteristics which also resulted in the variation for the treatment like Stabilization before disposal, Direct Landfill (DLF), Alternative Fuel and Raw material (AFRF), Incineration, Solvent recovery, Chemical treatment, Recycling of metals and others for the Hazardous waste management process. The various physicochemical, gravimetric and spot test were carried out in order to determine the quality of the waste and its suitability for the disposal by following different national and international methods. Further, Heavy metals were also analyzed by AAS obtained by following different methods in different forms like TM, TCLP and WLT which also indicated that the heavy metals are within the limits. Overall, the results obtained were found to be within the limits provided by the CPCB guidelines and the waste is suitable for the direct landfill disposal mechanism. KEYWORDS: Industrial Sludge, Hazardous Waste Management, Heavy metals

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