Effects of the plant growth regulator abscisic acid and high osmoticum on the developmental expression of the maize catalase genes

aba antioxidantes antioxidants antioxydant catalasa catalase crecimiento croissance defence mechanisms desarrollo embrionario embriones vegetales embryonic development estres gene genes growth mecanismos de defensa osmoregulation osmose osmosis oxidoreductases oxidorreductasas plant embryos stress zea mays