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首页> 外文期刊>Plant and Soil >River and lake sediments as sources of infective Frankia (Alnus).
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River and lake sediments as sources of infective Frankia (Alnus).

机译:河流和湖泊沉积物是感染性弗兰肯(Alnus)的来源。

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摘要

Plant bioassays (Alnus spp. and Hippophae rhamnoides) were used to detect the presence of infective Frankia isolates in river and lake sediments from N. Sweden and Alaska. Silty river water and superficial river and lake sediments from all sites contained infective and effective Frankia isolates, but 100- to 3000-year-old lake sediments did not produce nodulated plants. Action by streams, waves and changing water levels transport Frankia in superficial sediments and can provide an inoculum for Alnus roots.
机译:植物生物测定法(Alnus spp。和沙棘)被用于检测瑞典北部和阿拉斯加河和湖泊沉积物中感染性Frankia分离株的存在。来自所有地点的粉质河水和浅表河流和湖泊沉积物均含有有效的传染性弗兰卡亚分离株,但具有100至3000年历史的湖泊沉积物并未产生结瘤植物。溪流,波浪和不断变化的水位所引起的作用将弗兰基亚运入表层沉积物中,并可以为Al木的根提供接种物。

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