| Budget Amount *help |
¥3,640,000 (Direct Cost: ¥2,800,000、Indirect Cost: ¥840,000)
Fiscal Year 2014: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2013: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2012: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
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| Outline of Final Research Achievements |
Pesticide solutions diluted with agricultural water are potential sources of preharvest microbial contamination for produce as well as agricultural water itself. The invasion of microorganisms from both agricultural water and pesticide solutions were investigated. Several spoilage pathogens that were transferred from the agricultural water and pesticide solutions to produce and Escherichia coli O157:H7, representing a human pathogen, proliferated when inoculated with pesticide products. Because these microorganisms did not produce cell wall degrading enzymes unlike pectinolytic bacteria and fungi, the cross-contaminating microbes including E. coli O157:H7 from agricultural water and pesticide solutions were assumed to persist on the surface of the produce and not infect inside the produce.
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