If the original host plant was replaced by others, both these Frankia 'infective ability and nitrogenase activity in new symbiotic system were lower.
供试菌随寄主植物的改变，侵染能力及所建立的共生系统固氮活性有所降低。
If the original host plant was replaced by others, both these Frankia 'infective ability and nitrogenase activity in new symbiotic system were lower.
供试菌随寄主植物的改变，侵染能力及所建立的共生系统固氮活性有所降低。
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