Effect of gibberellic acid on fruit development of the apple, peach and plum : effect of gibberellic acid on growth and nitrogen status of apple seedlings /

Table page 14.The effect of GA applications and nitrogen levels on the mean shoot diameter of apple seedlings five weeks after treatment ..................... 44 15.The effect of two 150 ppm GA applications and nitrogen levels on the mean shoot diameter of apple seedlings grown previously under zero nitrogen level .................................. 46 16.The effect of one and three GA applications of 150, 300, and 600 ppm on the mean shoot diameter of apple seedlings grown under medium (2N) and high (4h) nitrogen l e v e l s .................. 47 17, The effect of GA applications and nitrogen levels on the mean length of internodes in apple seedlings one to five weeks after treatment . . .48 18, The effect of GA applications and nitrogen levels on the mean number of lateral shoots in apple seedlings five weeks after treatment ........... 48 19, The effect of two 150 ppm GA applications and nitrogen levels on the mean number of lateral shoots of apple seedlings grown previously under zero nitrogen l e v e l ......................... 49 20.The effect of one and three GA applications of 150, 300, and 600 ppm on the mean number of lateral shoots of apple seedlings grown under medium (2N) and high (4N) nitrogen levels . . .50 21.The effect of two 150 ppm GA applications and nitrogen levels on the mean dry weight of shoots and roots of apple seedlings grown under zero nitrogen level . . . . . . . . . . . . . . . .51 22.The effect of one and three GA applications of 150, 300, and 600 ppm on the mean dry weight of shoots and roots of apple seedlings grown under medium (2N) and high (4N) nitrogen levels . . .52 23.The effect of GA applications and nitrogen levels on the total nitrogen content ti leaves of apple seedlings five weeks after treatment ........... 54 vi List of Text Tables (Continued)Table page 24.The effect of one 150 ppm GA application and nitrogen levels on the total nitrogen content in leaves of apple seedlings grown previously under zero nitrogen l e v e l .......................... 55 25.The effect of one and two GA applications of 150, 300, and 600 ppm on the total nitrogen content in leaves of apple seedlings grown under medium (2K) and high (4' d) nitrogen l e v e l s ............... 56 26.The effect of two 150 ppm GA applications on the total nitrogen content in the diflerent parts of apple seedlings grown under zero nitrogen l e v e l ................................................57 27.The effect of one ana three GA applications of 150, 300, and bOO ppm on the total nitrogen con tent in the lower and upper leaves of apple seedlings grown under medium ( 2h) and high (41!) nitrogen levels ................................