1. Hormonal cross-talk mechanisms and plant immunity or defense: An overview 2. Potential roles of hormonal cross talk in flower development or plant morphogenesis 3. Hormonal interactions during fruit development and ripening 4. Auxins biosynthesis for hormone crosstalk and plant development 5. Salicylic acid biosynthesis for hormone crosstalk and plant development 6. Brassinosteroids biosynthesis for hormone crosstalk and plant development 7. Jasmonates biosynthesis for hormone crosstalk and plant development 8. Gibberellins biosynthesis for hormone crosstalk and plant development 9. Abscisic acid biosynthesis for hormone crosstalk and plant development 10. Signaling cross-talk between auxins - abscisic acid in plant defense, growth and development 11. Signaling cross-talk between auxins - brassinosteroids in plant defense, growth and development 12. Signaling cross-talk between brassinosteroids- abscisic acid in plant defense, growth and development 13. Signaling cross-talk between brassinosteroids - ethylene in plant defense, growth and development 14. Signaling cross-talk between cytokinins - abscisic acid in plant defense, growth and development 15. Signaling cross-talk between brassinosteroids - jasmonates in plant defense, growth and development 16. Signaling cross-talk between brassinosteroids - salicylic acid in plant defense, growth and development 17. Signaling cross-talk between gibberellins - jasmonates - strigolactones in plant defense, growth and development 18. Role of hydrogen peroxide in plant and cross-talk with signaling networks, growth and development 19. Role of nitric oxide signaling and its crosstalk with other plant growth regulators in plant defense, growth and development 20. Hydrogen sulfide and carbon monoxide and its crosstalk with other plant growth regulators in plant defense, growth and development 21. Role of protein modification in the cross-talk of phytohormone signaling pathways 22. Hormone cross-talk in abiotic stress response 23. Genome-wide association of defense hormone cross-talk in plants 24. Cross-talk of secondary messengers, hormones and MAPK in plant defense 25. Role of miRNAs in the cross-talk of phytohormone signaling pathways 26. Agricultural and/or biotechnological applications of plant hormones