讨论了硝酸镁溶液再生时所采用的两种方法：沉降法和压滤法。

Two kinds of methods for the regeneration of magnesium nitrate solution are discussed, which are precipitation method and filter-press method.

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我们的结果表明硝酸同化是水稻再生的一个很重要的过程，同时也为水稻转化提供了一个额外的选择标记。

Our results demonstrate that nitrate assimilation is an important process in rice regeneration and also provide an additional selectable marker for rice transformation.

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因此在桑离体培养中，可以通过添加硝酸银来控制离体器官发生，进而建立高效再生体系。

So, organogenesis in vitro of mulberry will be controlled in the course of culture by adding AgNO 3, and a highly effective regeneration system will be formed.

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