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Fogel, R., 1988. Interactions among soil biota in coniferous ecosystems. Agric. Ecosystems Environ., 24: 69-85. The dominance of ectomycorrhizae in most coniferous forest ecosystems profoundly alters the classical concept of the role of exudation and rhizodeposition of cell fragments in the formation of the rhizosphere. In the unaltered, non-ectomycorrhizal rhizosphere the soluble exudates and ...

—Ectomycorrhizal colonization and rooting characteristics were quantified in a mature ponderosa pine (Pinus ponderosa Dougl. ex Laws.) stand in the western Sierra Nevada. Root length totaled 3835.9 m ⋅ m–2 of forest floor surface area, with 96% consisting of the fine-root fraction. Total root dry weight and volume were 2230.4 g ⋅ m–2 and 5807.4 cm3 ⋅ m–2 of forest floor area, respectively, with...

Kinetics of P absorption were investigated in mycorrhizal (Glomus fasciculatus) and nonmycorrhizal tomato (Lycopersicon esculentum) roots to determine why increased ion absorption by mycorrhizae occurs. Initial rates of absorption of (32)P were measured at 1 to 100 micromolar KH(2)PO(4) (pH 4.6). Absorption rates of mycorrhizae were about twice those of control roots. Augustinsson-Hofstee analy...

in order to investigate the effect of two mycorrhizal species (glomus mosseae and g. intraradices) on different growth aspects of two pistachio cultivars (p. vera cv. badami-riz zarand, and p. vera cv. qazvini), a greenhouse experiment was conducted taking into account three factors of: mycorrhizae inoculation at three levels (no mycorrhizae application as control, g. mosseae , g. intraradices)...

Plant-associated microorganisms play an important role in agricultural production. Although various studies have shown that single can exert beneficial effects on plants, it is increasingly evident when a microbial consortium—two or more interacting microorganisms—is involved, additive synergistic results be expected. This occurs, part, due to the fact multiple species perform variety of tasks ...