ABSTRAK The experiment entitled the effect of spraying moment and Triacontanol concentration on the growth of robber seedling (Heven brasiliensin K.A) conducted on March untál June 1987 at Toguran village, Magelang, cen- tral of Java. The experiment used Randomised Complete Block Design (RCHD) consist of two factors with three repli- cations. The first factor in spraying moments S seedling …