Abstract
Terai region of northern India is having great potentiality for growing low chilling cultivars of different temperate fruits as this region receives sufficient amount of low temperature every year. However, the major problems of low chill cultivars are small fruit size, along with poor physico-chemical quality attributes. The present investigation was aimed at addressing these problems. For determining the influence of plant bio-regulators CPPU (5 and 10 ppm), NAA (10 and 20 ppm) and salicylic acid (50 and 100 ppm) were applied as once, twice and thrice spray at fortnightly interval after fruit set. CPPU @ 10 ppm was found most effective for increasing fruit length (6.79 cm), width (6.67 cm), fruit weight (182.84 g) and volume (179.11 ml), while TSS (13.38°Brix), total sugars (8.25%), acidity (0.55%), number of fruits per tree (285.00) and yield (47.66 kg) were found better with the application of CPPU @ 5 ppm. Higher per cent of marketable fruits (86.56) and ascorbic acid (7.08 mg/100 g) content was found in SA @ 100 ppm treatment.
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