… In addition, they play a controlling role in the processes of … of the roles they play in regulating
plant growth and development. … we hope to manipulate plant growth to human advantage. …

… soil, which indirectly boosts plant growth rate. There are many … plant growth. However, there
is a gap between the mode of action (mechanism) of the PGPR for plant growth and the role …

… This review covers the perspective of soil-beneficial bacteria and the role they are playing
in plant growth promotion via direct and indirect mechanisims. The further elucidation of …

… has focused on its role in the local … role of SA in plant growth and development as there is
evidence that this hormone regulates processes such as seed germination, vegetative growth, …

… to the plants 24, 25, 26. The occurrence of this last mechanism in several PGPRs and its
possible role in the overall effects on plant growth promotion will be discussed in this review. …

… In turn, host plants benefit by stress reduction and increased root growth. … of plant–endophyte
associations. The ecological role of these endophytes and their relevance for plant growth …

… In metal-contaminated soils, the natural role of metal-tolerant plant growth promoting …
their role in metal detoxification/removal, rhizobacteria also promote the growth of plants by …

… by plants to modulate gene expression, metabolism and growth. Finally, we discuss the role
… compounds released by certain plant growth-promoting rhizobacteria in plant immunity and …

… in plants have been little explored. Plant growth regulators (PGRs) are known for their role
… Among major PGRs, plant hormones (such as auxins, gibberellins, cytokinins, abscisic acid, …

-LOS IAA CO (NENTAT (M) stimulate the tissue to produce ethylene (Figs. 1 and 2), and since
there is a close correlation between the intensity of ethylene production and the extent of …