Studies on factors affecting the keeping quality of Christmas begonia (Begonia x cheimmantha Everett) [also incl. silver thiosulphate, argylene]

abscision abscission amidon artificial light begonia carbohydrate content commercialisation contenido de carbohidratos darkness etefon ethephon ethylene etileno fleur flores flowers keeping quality luz artificial marketing mercadeo obscuridad photosynthese photosynthesis plantas de macetas plante en pot pot plants respiration starch teneur en glucides