Journal Article Abiotic stress Plant Growth Regulators Plant Proteins Ammonium Compounds Ammonium toxicity Blue light fluence Cryptochrome 1a Cryptochromes Gibberellins Grafting Indoleacetic Acids Indoleacetic acid Low nitrogen N762921K75 Nitrogen Nitrogen limitation adaptation Osmotic stress Root-to-shoot signaling Solanum lycopersicum L. (Tomato) Stomatal movement Water relations Water stress cry1a mutant