Relationship between mycorrhizal fungi and functional traits in absorption roots: research progress and synthesis

doi:10.3724/SP.J.1258.2013.00107

Abstract

Abstract:

Absorption roots usually refer to several terminal branch orders in a root branch that are comprised of primary tissues and are responsible for resource uptake. Functional traits of absorption roots have been widely used to assess and predict a range of functions and processes from individual to ecosystem scale. Mycorrhizal fungi colonization is one of the key traits exerting significant influence on root morphology, structure, and the inter-relationships among root traits. In this paper, we first review the relationships of mycorrhizal fungi with two traits closely related to resource uptake: root hair and root diameter; a hypothesis is proposed to describe relationships among mycorrhizal fungi, root hair and chemical defense. Then, we review how functional traits in different absorption roots are altered by mycorrhizal fungi adapting to environments differing in precipitation, temperature, soil fertility, and energy consumption. Finally, we identify several topics and research outlooks for guiding future studies to facilitate studies on the relationship between mycorrhizal fungi and root functional traits.

Key words: absorption root, functional trait, mycorrhizal fungi

MIAO Yuan,WU Hui-Fang,MA Cheng-En,KONG De-Liang. Relationship between mycorrhizal fungi and functional traits in absorption roots: research progress and synthesis[J]. Chin J Plant Ecol, 2013, 37(11): 1035-1042.

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https://www.plant-ecology.com/EN/Y2013/V37/I11/1035

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References 59

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	平均直径 Average diameter	直径变异 Variation in diameter
温带生态系统 Temperate ecosystems	0.24 mm	0.11-0.42 mm
热带生态系统 Tropical ecosystems	0.38 mm	0.07-0.89 mm

	平均直径 Average diameter	直径变异 Variation in diameter
温带生态系统 Temperate ecosystems	0.24 mm	0.11-0.42 mm
热带生态系统 Tropical ecosystems	0.38 mm	0.07-0.89 mm