Abstract
Growth regulating substances (2, 4-D, GAl and planofix) were applied in different doses to minimize the fruit drop in Pineapple, sweet orange. The summer or June drop was reduced significantly by all the treatments except 2, 4-D (20 ppm) and GAl (10 ppm), while pre-harvest drop was significantly checked by 10 and 20 ppm 2, 4-D. An overall best results were obtained by 10 ppm, 2, 4-D (12.5%) and 300 ppm planofix (14.4%) compared to the control (25.5%). High concentration tended to produce larger fruits. The GAl treatments induced roughness of fruit rind while planofix induced smoothness with better juice contents
