Vol. 7, Issue 8 (2018)

Author(s):
Sahu CK, Patel MK, and Panda CM

Abstract:
An experiment was carried out during 2017-18 in Horticulture Research Station, Bhubaneswar under Department of Fruit Science & Horticulture Technology, College of Agriculture, Orissa University of Agriculture & Technology to find out the study the effect of pruning and plant growth regulator like GA₃, IAA, NAA, 2, 4-D on Physico-chemical quality of rejuvenated sapota plant. Variation due to divergence in genotypes was found significant so far as the Physico-chemical quality is concerned, highest fruit weight (138.066g), pulp weight (120.076g), TSS (24.686⁰B), ascorbic acid (14. 63g/100g) and acidity (0.146%) were observed in primary branch pruned trees. Among the growth regulators, NAA@50ppm produced highest ascorbic acid (14.666mg/100g) whereas GA₃@20ppm produced highest fruit weight (134.494g), pulp weight (115.974g), TSS (24.908⁰B) and lowest acidity (0.15%), seed weight (1.116g). Hence it is concluded that the combined effect pruning and growth regulator simultaneously have significant effect on yield and quality.