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一种烟草细菌性病害病原菌分离培养及致病性测定

wf(2016)

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Abstract
从贵州六盘水烟区采集感病烟株,采用组织分离法进行病原菌分离纯化,并将培养条件进行优化,以南江3号烟草品种为试材,进行病原菌致病性测定。结果表明,该菌培养最适 NaCl 浓度4%,葡萄糖浓度10%,pH 值5~7,培养温度25~30℃,最佳侵染温度20~25℃,相对湿度70%以上,该病害应属于中温高湿侵染病害。
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