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has been cited by the following article:

• TITLE: Characterization of the Causal Organism of Soft Rot of Tomatoes and Other Vegetables and Evaluation of Its Most Aggressive Isolates

  AUTHORS: Asma Akbar, Musharaf Ahmad,   Azra,   Neelam, Sana Zeb Khan, Zahoor Ahmad

  KEYWORDS: Aggressiveness, Bio-Chemical Tests, Erwinia carotovora, Pathogencity, Soft Rot of Tomatoes

  JOURNAL NAME: American Journal of Plant Sciences, Vol.6 No.4, March 3, 2015

  ABSTRACT: To isolate the causal organism of soft rot of vegetables, diseased samples of potato, tomato, carrot, chilies, and bell pepper, were analyzed in the lab, using nutrient agar (NA) and/or the enrichment host (Bell pepper) technique. Successful isolations were purified by sub-culturing, identified as Erwinia carotovora subsp. carotovora through biochemical tests and their pathogenicity was confirmed through inoculation on green tomato fruits. The isolates were tested for their aggressiveness to find out the most aggressive one in term of producing maximum soft rot on tomatoes. CRD (completely randomized design), with four replication was used and data were analyzed using LSD (least significant test) test. Among the five isolates evaluated for aggressiveness on tomato fruits, chili isolate was found to be the most aggressive followed by tomato and potato isolates producing 22.3 mm, 7.9 mm, and 7.8 mm diameter soft rot lesions, respectively.