Banana is a tropical crop cultivated in warm places. Chilling stress Egypt making banana crops less productive. Abscisic acid (ABA), key plant hormone, regulates metabolic and physiological processes protects plants from variety of stresses. In vitro growing shoots were pre-treated with ABA at four concentrations (0, 25, 50, 100 mM) chilled 5°C for 24 h, followed by six-day recovery period 25°C...
