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首页> 外文期刊>Pedobiologia >Arbuscular mycorrhizal fungi in tree-based intercropping systems: A review of their abundance and diversity
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Arbuscular mycorrhizal fungi in tree-based intercropping systems: A review of their abundance and diversity

机译：树木间作系统中的丛枝菌根真菌：其丰度和多样性综述

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Arbuscular mycorrhizal (AM) fungi are important components of agroecosystems as they form symbiotic associations with the majority of agricultural crops. The mycorrhizal association is normally mutualistic and can provide a number of benefits to the host plant including increased nutrient uptake, improved water relations, and protection from pathogens. However, conventional agricultural practices have been shown to have a negative impact on the abundance and diversity of AM fungi. The use of more diverse and sustainable land use practices such as tree-based intercropping can have the potential to reduce the negative impact of agricultural practices on AM fungi. This paper reviews the literature to investigate the effect of temperate and tropical tree-based intercropping systems on the abundance and diversity of AM fungi. Evidence from these studies suggests that tree-based intercropping systems support a more abundant and diverse AM fungal community compared to conventionally managed systems. However, there are studies that observed zero or negative significant effects on the AM fungal community as a result of incorporating trees into agricultural systems. The variable effect of tree-based intercropping systems on AM fungi observed may be a function of the different cultivation techniques, climatic variation, or diverse tree-crop combinations used within the different tree-based intercropping systems. To further our understanding of AM fungal dynamics in tree-based intercropping systems, future research should focus on the influence of tree species with varying mycorrhizal associations and the functional role of common mycelial networks in these systems, while utilizing applicable molecular techniques.
机译：丛枝菌根（AM）真菌是农业生态系统的重要组成部分，因为它们与大多数农作物形成共生关系。菌根协会通常是相互关系的，可以为寄主植物提供许多好处，包括增加养分吸收，改善水的关系以及免受病原体的侵害。但是，传统的农业实践已显示出对AM真菌的丰度和多样性具有负面影响。使用更多样化和可持续发展的土地使用做法，例如树种间作，有可能减少农业做法对AM真菌的负面影响。本文回顾了文献，以研究温带和热带树木间作系统对AM真菌的丰度和多样性的影响。这些研究的证据表明，与常规管理的系统相比，基于树的间作系统支持更丰富和多样的AM真菌群落。但是，有研究表明，由于将树木纳入农业系统，对AM真菌群落的影响为零或负面。树木间作系统对观察到的AM真菌的影响可能是不同栽培技术，气候变化或在不同树木间作系统中使用的多种树木间作组合的函数。为了进一步了解基于树的间作系统中的AM真菌动力学，未来的研究应着重于利用适用的分子技术，研究具有不同菌根协会的树种的影响以及常见菌丝网络在这些系统中的功能。

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