Water stress induced proline accumulation at different stalk positions and growth stages of detached tobacco leaves

amino acids anatomia anatomie anatomy asparagina asparagine composition contenido de humedad crops cultivos developmental stages dicotiledoneas dicotyledons economic plants etapas de desarrollo etapas de desarrollo de la planta feuille hojas leaves moisture content monocarpos ornamentales nicotiana nicotiana tabacum organic compounds organic nitrogen compounds ornamental monocarps ornamental plants peciolo petioles plant anatomy plant developmental stages plantas plantas estimulantes plantas ornamentales plante plante de culture plante ornementale plante ornementale monocarpique plante stimulante plants prolina proline solanaceae stimulant crops teneur en eau tubiflorae