纳米ZnO胁迫下丛枝菌根真菌根外菌丝<br/>对玉米生长及锌吸收的影响-《江苏农业科学》

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Title:: Effects of arbuscular mycorrhizal mycelium on maize growth and Zn uptake under ZnO nanoparticles stress

作者:: 刘雪琴; 韩锰; 仝瑞建; 洛阳师范学院生命科学学院，河南洛阳 471934

Author(s):: Liu Xueqin; et al

关键词:: 纳米ZnO; 丛枝菌根真菌; 地表球囊霉; 根外菌丝; 玉米; 锌吸收; 隔网分室法

Keywords:: -

分类号:: S182；S513.01

DOI:: -

文献标志码:: A

摘要:: 以纳米ZnO和丛枝菌根(arbuscular mycorrhizae，简称AM)真菌地表球囊霉(Glomus versiform)为研究对象，采用上下隔网分室法研究纳米ZnO胁迫下AM真菌根外菌丝对玉米生长及对锌吸收量的影响。试验共设置6个处理，所有处理的上层根室均不施用纳米ZnO，1个不接种菌剂的对照处理，另外5个处理均接种菌剂，下层菌丝室土壤分别施用0、400、800、1 600、2 400 mg/kg纳米ZnO。结果表明，纳米ZnO胁迫下接种AM真菌可明显促进玉米的生长，AM真菌根外菌丝可以吸收菌丝室中的锌，并从自身转运到宿主植物根系内，并进一步向地上部转运；AM真菌根外菌丝吸收的锌可促进玉米植株对锌的吸收和转运；AM真菌根外菌丝对锌的吸收可能是主动调节吸收。

Abstract:: -

参考文献/References:

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