EFFECTS OF ETHEPHON AND ACC ON GERMINATION OF AMARANTHUS CAUDATUS L. SEEDS PREINCUBATED IN 2.5-NORBORNADIENE
Incubation of Amaranthus caudatus seeds in an atmosphere containing 2.5-norbornadiene, a competitive inhibitor of ethylene action, inhibited germination after transfer to air. The inhibition was antagonized when seeds were transferred from norbornadiene to air and solutions of ethephon (2-chloroethylphosphonic acid ). Inhibition due to preincubation in norbornadiene was also partially counteracted by a precursor of ethylene biosynthesis ACC ( 1-aminocyclopropane-1-carboxylic acid ). The presence of ethylene released from exogenous ethephon or synthesised from exogenous ACC is necessary for germination of Amaranthus caudatus seeds preincubated in norbornadiene.
Kepczynski, J. (1989). EFFECTS OF ETHEPHON AND ACC ON GERMINATION OF AMARANTHUS CAUDATUS L. SEEDS PREINCUBATED IN 2.5-NORBORNADIENE. Acta Hortic. 251, 41-46