Susceptibility of Commercial Tomato Cultivars to Bacterial Wilt in Hydroponic System |
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Authors: | Teruo NONOMURA Yoshinori MATSUDA Motoaki TSUDA Kazuto URANAKA Hideyoshi TOYODA |
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Affiliation: | (1) Laboratory of Plant Pathology and Biotechnology, Faculty of Agriculture, Kinki University, 3327–204 Nakamachi, Nara 631–8505, Japan, JP |
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Abstract: | Commercially available tomato cultivars were hydroponically cultured for inoculation, with Ralstonia solanacearum (K-101), which causes bacterial wilt, by pouring an inoculum suspension into the nutrient solution. Cultivar susceptibility to the bacteria was evaluated, based on the highest percentage of wilting. Because the length of time for wilt appearance varied among cultivars, some cultivars appeared to be suppressive to the translocation and/or multiplication of the invading pathogen. Thus, this hydroponic inoculation system is effective for examining levels of susceptibility in tomato cultivars to bacterial wilt. Received 13 December 2000/ Accepted in revised form 27 March 2001 |
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Keywords: | : hydroponics for inoculation bacterial wilt susceptibility of tomato cultivars Ralstonia solanacearum. |
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