Ethylene serves as a hormone in crops.[16] It functions at trace levels through the lifetime of the plant by stimulating or regulating the ripening of fruit, the opening of flowers, as well as the abscission (or shedding) of leaves. Professional ripening rooms use "catalytic generators" to make ethylene gasoline from http://meclonazepam69370.bloggactif.com/1681983/what-does-dimethylone-mean