Abstract
In recent years, mycorrhizal research has increasingly concentrated on studies into the physiological bases of the function and regulation of the different types of associations between plant roots and soil fungi. Despite major advances, the several recently published reviews still reflect the immense lack of knowledge in mycorrhizal physiology. The regulation of ectomycorrhiza formation was the subject of reviews by Nylund (1988) and Wallander (1992). The aspect of nutrient transfer in VAM was discussed by Schwab et al. (1991). The regulation of VAM symbiosis has been recently reviewed by Koide and Schreiner (1992). Most of the reviewers considered at least some functions to be potentially regulated by phytohormones. Several possible phytohormone actions were pointed out by Allen (1985), the importance of hormones in root exudates of VAM plants was discussed by Barea (1986), and the hormonal involvement in ectomycorrhizal development was considered by Mudge (1987). A review concentrating on hormonal regulation of mycorrhizal interactions was given by Gogala (1991). Due to the lack of knowledge, research and reviews on the regulation and biology of mycorrhizas contain much speculation. This is especially so in the case of phytohormone function (see Table 1).
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Beyrle, H. (1995). The Role of Phytohormones in the Function and Biology of Mycorrhizas. In: Varma, A., Hock, B. (eds) Mycorrhiza. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-662-08897-5_16
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