| Budget Amount *help |
¥5,460,000 (Direct Cost: ¥4,200,000、Indirect Cost: ¥1,260,000)
Fiscal Year 2013: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2012: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2011: ¥3,250,000 (Direct Cost: ¥2,500,000、Indirect Cost: ¥750,000)
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| Research Abstract |
Chemoattractant for Ralstonia solanacearum was searched in the root exudate of tomato. The root exudate of tomato was fractionated into EtOAc-soluble fr. and absorbed and non-absorbed (passed) fr. of activated charcoal column, and their chemoattractive activity was examined. Passed fr. of activated charcoal column showed strongest activity and absorbed fr. was less active. Comparison of chemoattractive activity between passed fr. and amino acid mixture equivalent to the fr. showed the presence of chemoattractant other than amino acids.
Fractionated root exudates of non-host plant of R. solanacearum, i.e. rice, rape and alfalfa were prepared and their chemoattractive activity was examined. As a result, passed fr. of activated charcoal column of tomato showed stronger activity than those of other plants.
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