Ecology, Environment and Conservation Paper

Vol 21, Issue 1, 2015; Page No.(429-432)

EFFECT OF DOSE AND TIME OF APPLICATION OF PACLOBUTRAZOL ON FLOWERING AND YIELD OF ACID LIME (CITRUS AURANTIFOLIA L.)

N. J. Ghadage, D.V. Delvadia, P.N. Kore, N.I. Shah and Lokesh Yadav

Abstract

The present experiment was carried out at Madhadi Baug Farm, Department of Horticulture, College of Agriculture, Junagadh Agricultural University, Junagadh during 2012-13 to study the “Effect of paclobutrazol on flowering and yield of Acid lime (Citrus aurantifolia L.)”. The experiment was laid out in Randomized Block Design with factorial concept (F-RBD) with four levels of paclobutrazol viz., P0 (control), P1 (paclobutrazol @ 1.5 g a.i./plant), P2 (paclobutrazol @ 3.0 g a.i./plant) and P3 (paclobutrazol @ 4.5 g a.i./ plant) and three different dates viz., T1 (15th July), T2 (31st July) and T3 (15th August). Results concluded that application of paclobutrazol @ 4.5 g a.i./plant recorded maximum number of flowers per shoot (19.64), fruit set (47.25%) with minimum fruit drop (58.89%), significantly the highest number of fruits per shoot (4.65), fruit yield per plant (23.28 kg) and fruit yield per hectare (6286 kg). Application of paclobutrazol on 15th August recorded the highest number of flowers per shoot (19.27), fruit set (46.87%) and minimum fruit drop (33.82%), highest number of fruits per shoot (4.53), fruit yield per plant (21.66 kg) and fruit yield per hectare (5847 kg).

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