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Significance of mycorrhizal associations for the performance of N2-fixing Black Locust (Robinia pseudoacacia L.)
Soil Biology and Biochemistry ( IF 9.7 ) Pub Date : 2020-03-20 , DOI: 10.1016/j.soilbio.2020.107776
Zhenshan Liu , Bin Hu , Tina L. Bell , Emmanouil Flemetakis , Heinz Rennenberg

Black Locust (Robinia pseudoacacia L.) is a woody legume with a worldwide distribution. Its ecological and economical importance is largely due to fast growth and dinitrogen (N2)-fixation ability with rhizobia. These features make Black Locust suitable as a model species for other woody legumes as well. However, its symbiotic association with mycorrhizal fungi has not gained much attention. The small body of literature published indicates that this mycorrhizal association interacts with symbiotic N2-fixation, greatly enhancing the ecological and physiological performance of Black Locust by improving its rate of growth, nutrition status and resistance to stress conditions, such as drought and salt and heavy metal accumulation. Here we summarize the current knowledge on the benefits of the association of Black Locust with arbuscular mycorrhizal fungi with the aim of providing future research directions on how this symbiotic partnership is involved in a tripartite symbiotic association including rhizobia. This association is of particular importance considering both the invasive nature of Black Locust, its economic and cultural importance and its use in restoration of degraded or contaminated landscapes.



中文翻译:

菌根协会对固氮N 2刺槐(刺槐)性能的意义

黑刺槐(Robinia pseudoacacia L.)是一种木质豆科植物,分布于世界各地。其生态和经济重要性在很大程度上归因于其快速生长和根瘤菌对二氮(N 2)的固定能力。这些功能使刺槐也适合作为其他木质豆类的典范。然而,它与菌根真菌的共生关系并没有引起太多关注。少量文献表明这种菌根结合与共生N 2相互作用固定,通过提高黑蝗虫的生长速率,营养状况以及对干旱,盐分和重金属积累等胁迫条件的抵抗力,从而大大提高其生态和生理性能。在这里,我们总结了关于刺槐与丛枝菌根真菌结合的益处的当前知识,目的在于提供关于这种共生伙伴关系如何参与包括根瘤菌在内的三方共生协会的未来研究方向。考虑到刺槐的入侵性质,其经济和文化重要性及其在恢复退化或受污染的景观中的用途,这种联系特别重要。

更新日期:2020-03-20
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