Signal transduction of pytohormones under abiotic stresses.- Cross-talks on phytohormones signaling pathways under optimal and stressful conditions.- Phytohormones in salinity tolerance: ethylene and gibberellins cross talk.- Nitric oxide metabolism under environmental stress conditions.- Auxin as part of wound-healing response in plants.- Interaction between ethylene, auxin, light and microtubules during low-pH induced root hair formation in lettuce seedlings.- Cytokinin homeostasis.- Origin of brassinosteroids and their role in oxidative stress in plants.- Hormonal intermediates in the protective action of exogenous phytohormones in plants under salinity: A case study on wheat.- The role of phytohormones in the control of plant adaptation to oxygen depletion.- Stress hormones associated to sunflower germplasms with different sensitivity to drought.- An insight into the relationship between jasmonates and salicylic acid in salt tolerance.