Gene Expression Regulation, Plant/physiology; Plant Proteins/metabolism; Plant Stomata/physiology; Solanum tuberosum/genetics; Abscisic Acid/pharmacology; Adaptation, Physiological; Arabidopsis/genetics; Arabidopsis/physiology; Carbohydrates/pharmacology; Gene Knockout Techniques; Germination; Mutation; Onions/genetics; Onions/physiology; Organ Specificity; Osmotic Pressure; Plant Growth Regulators/pharmacology; Plant Leaves/cytology; Plant Leaves/drug effects; Plant Leaves/genetics; Plant Leaves/physiology; Plant Proteins/genetics; Plants, Genetically Modified; Recombinant Fusion Proteins; Seeds/cytology; Seeds/drug effects; Seeds/genetics; Seeds/physiology; Signal Transduction; Sodium Chloride/pharmacology; Solanum tuberosum/cytology; Solanum tuberosum/drug effects; Solanum tuberosum/physiology; Stress, Physiological