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首页> 外文期刊>Archives of Phytopathology and Plant Protection >Coexistence between neighbours: Pseudomonas syringae pv. tomato and Xanthomonas campestris pv. vesicatoria, incitants of bacterial speck and spot diseases of tomato.
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Coexistence between neighbours: Pseudomonas syringae pv. tomato and Xanthomonas campestris pv. vesicatoria, incitants of bacterial speck and spot diseases of tomato.

机译：邻居之间共存：假单胞菌丁香假单胞菌。番茄和黄单胞菌PV。 vesicatoria，细菌斑点的刺激物和番茄斑点病。

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摘要

Experiments were conducted under laboratory and screenhouse conditions to study the coexistence between Pseudomonas syringae pv. tomato and Xanthomonas campestris pv. vesicatoria, incitants of bacterial speck and bacterial spot diseases of tomato. Results of in vitro studies showed that when mixed cultures of the pathogens were grown together in nutrient yeast dextrose broth over a period of 96 h, colonies of P. s. pv. tomato grossly out-numbered those of X. c. pv. vesicatoria, regardless of the ratio in which they were combined. Results of studies with mixed cultures in planta, under screenhouse conditions showed similar results. Results of experiments with heat-killed cells of the pathogens showed that heat-killed cells of either of the pathogens were unable to offer cross protection from infection by the other pathogen in susceptible tomato plants.
机译：在实验室和筛选室条件下进行了实验，以研究丁香假单胞菌pv之间的共存。 番茄和黄单胞菌（xanthomonas campestris） pv。番茄的细菌斑点和细菌性斑点病的诱因 vesicatoria 。 体外研究的结果显示，当病原体的混合培养物在营养酵母葡萄糖肉汤中共同培养96小时后， P菌落便开始生长。 pv。 番茄大大超过了 X。 c。 pv。 vesicatoria ，无论它们合并的比例如何。在筛选条件下，在植物中进行混合培养的研究结果显示了相似的结果。用病原体的热灭活细胞进行的实验结果表明，在易感番茄植株中，任何一种病原体的热灭活细胞都无法提供交叉保护，以免受其他病原体的感染。

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