Invasiveness ofPseudomonas solanacearum in tomato,eggplant and pepper: a comparative study |
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| Authors: | V Grimault P Prior |
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| Institution: | (1) Station de Pathologie végétale, de Phytoécologie et de Malherbologie, INRA, BP 1232, 97185 Pointe-à-Pitre Cedex, France |
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| Abstract: | The colonization of eggplant, pepper and tomato byPseudomonas solanacearum was compared. Latent infections were observed in pepper and eggplant, indicating that this phenomenon was general in the main hosts ofP. solanacearum. In eggplant and pepper, as in tomato, resistance did not arise from a resistance to root colonization by the bacteria. In tomato and eggplant, resistance mechanisms appeared to be similar: spread ofP. solanacearum was limited in resistant cultivars. In contrast, in pepper this limitation was not observed and plants appeared more tolerant to high bacterial populations than tomato and eggplant. |
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| Keywords: | latent infections resistance |
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