Author(s):

Arunadevi A, Subesh Ranjith Kumar C, Rajangam J and Venkatesan K

Abstract: The investigation was carried out to study the effect of plant growth regulators on growth, yield and quality of acid lime (Citrus aurantifolia swingle.) var. PKM 1 at the Department of Fruit crops, Horticultural College and Research Institute, Periyakulam, Tamil Nadu. Treatment consisted of soil drenching of Paclobutrazol (PP₃₃₃) (0.5, 1.0 and 1.5 g a.i/m²), foliar application of Cycocel (CCC) (500 and 1000 ppm) and Napthalene acetic acid (NAA) (100 and 200ppm). Result revealed that growth, yield and quality parameters such as tree spread, fruit set percentage, fruit retention percentage, number of fruits per tree, yield per tree, juice volume, acidity and ascorbic acid were found to be higher in the treatment combination of PP₃₃₃ 1.5g a.i/m² + NAA 200ppm.

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