Author(s):

SS Tagad, MB Patil, SG Patil and DP Deshpande

Abstract: The field study was carried out at Sweet Orange Research station, Badnapur, Dist. Jalna during 2017-18.The experiment was laid out in Randomized Block Design (RBD) with 13 treatments and three replication. Observations were recorded on parameter viz., plant height, plant spread, days required for initiation of new vegetative flush, days required for flower initiation, days required for harvesting, number of flower/shoot, fruit set per cent, fruit drop per cent, number of fruits/tree, fruit weight, fruit volume, yield Kg/tree, Among all the treatments, T₁₁ GA₃ (50 ppm) + ZnSO₄ (1%) + FeSO₄ (1%) recorded maximum increase in plant height (0.25 m), plant spread East-West spread (3.74 m), North-South spread (3.54 m) and minimum days required for initiation of new vegetative flush (17.00 days), flower initiation after vegetative flush (14.00 days) and harvesting (144.00 days). While among all treatments, (T₁₁), GA3 (50 ppm) + ZnSO₄ (1%) + FeSO₄ (1%) recorded maximum number of fruits/tree (148.00 fruits/tree), fruit weight (43.33 g), fruit volume (41.30 ml), yield (6.41 kg/tree ), fruit set (51.20 %), number of flower/shoot (18.57) and minimum fruit drop (35.20 %).

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