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Enhanced N-Transfer from a Soybean to Maize by Vesicular Arbuscular Mycorrhizal (VAM) Fungi

机译:丛状丛枝菌根(VAM)真菌增强了大豆向玉米的N传递

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摘要

Using a split-root technique, roots of soybean plants were divided between two pots. In one of the two pots, two maize plants were grown and half of those pots were inoculated with the vesicular arbuscular mycorrhizal (VAM) fungus, Glomus fasciculatus. Fifty-two days after planting, 15N-labeled ammonium sulfate was applied to the pots which contained only soybean roots. Forty-eight hours after application, significantly higher values for atom per cent 15N excess were found in roots and leaves of VAM-infected maize plants as compared with the non-VAM-infected maize plants. Results indicated that VAM fungi did enhance N transfer from one plant to another.
机译:使用分根技术,将大豆植物的根分成两个盆。在这两个盆中的一个中,种植了两种玉米植物,并将其中的一半用丛状丛枝菌根(VAM)真菌Glomus fasciculatus接种。种植后的第52天,将 15 N标记的硫酸铵施用于仅含有大豆根的盆中。施用后48小时,与未受VAM感染的玉米植物相比,在受VAM感染的玉米植物的根和叶中发现过量的原子百分比 15 N的值明显更高。结果表明,VAM真菌确实增强了氮从一种植物向另一种植物的转移。

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