%0 Journal Article %T Plant Growth Promotion and Induction of Systemic Tolerance to Drought and Salt Stress of Plants by Quorum Sensing Auto-Inducers of the N-acyl-homoserine Lactone Type: Recent Developments. %A Hartmann A %A Klink S %A Rothballer M %J Front Plant Sci %V 12 %N 0 %D 2021 %M 34135932 %F 6.627 %R 10.3389/fpls.2021.683546 %X