UV-B response of cucumber seedlings grown under metal halide and high pressure sodium/deluxe lamps [special quality, PAR]

alargamiento del tallo allongement de la tige amonio fenilalanina liasa artificial light catalasa catalase crecimiento croissance cucumis sativus enzymic activity growth light regimes luz artificial phenylalanine ammonia lyase poliaminas polyamine polyamines rayonnement ultraviolet regimenes de luz stem elongation superoxide dismutase superoxyde dismutase ultraviolet radiation variedades varieties