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Journal of Pharmacognosy and Phytochemistry

Journal of Pharmacognosy and Phytochemistry

Vol. 7, Issue 4 (2018)

Effect of plant growth regulators on growth, flowering and fruit set of 4 year old Kinnow Mandarin (Citrus reticulata Blanco.) plant

Author(s):

Anurag Dwivedi, VM Prasad, Mohd Shabi, Yogendra Tripathi and Piyush Pandey

Abstract:
The present experiment was carried out during December 2017 to May 2018 in Central Research Field of Department of Horticulture, SHUATS, Allahabad. The experiment was conducted in Randomized Block Design (RBD), with thirteen treatments, replicated thrice. the treatments were T0 (Control), T1 (NAA @ 25 ppm), T2 (NAA @ 50 ppm), T3 (NAA @ 75 ppm), T4 (NAA @ 100 ppm), T5 (NAA @ 125 ppm), T6 (NAA @ 150 ppm), T7 (GA3 @ 25 ppm), T8 (GA3 @ 50 ppm), T9 (GA3 @ 75 ppm), T10 (GA3 @ 100 ppm), T11 (GA3 @ 125 ppm) and T12 (GA3 @ 150 ppm).Based on the present investigation it is found that treatment T12 (GA3 @ 150 ppm) found maximum (199.64, 205.477, 209.190, 214.51 and 216.887 cm) Plant height, (84.293, 86.983, 89.670, 94.233 and 100.450 cm) Spread of Canopy, (24.417, 24.760, 25.167, 25.590 and 26.150 cm2) Leaf area, (28.487, 30.103, 31.670 33.100 and 33.770) Number of Branches, (4.663, 5.300, 5.657, 6.190 and 6.833 cm) Stem Diameter, (6.837, 7.013, 7.193, 7.410 and 7.783 cm) Length of Internodes at 30, 60, 90, 120 and 150 days respectively after spray of Plant growth regulators, the maximum Number of Flowers (199.510), Number of Fruits (48.643), minimum Number of Fruits drops (7.317), Average Fruit weight (43.693 g), Polar Length (4.293 cm) and minimum Pest incidence percent (1.590 %) was also found in treatment T12, Followed by Treatment T11 in all the parameters, whereas minimum was recorded in Treatment Control.

Pages: 3065-3068  |  1011 Views  430 Downloads


Journal of Pharmacognosy and Phytochemistry Journal of Pharmacognosy and Phytochemistry
How to cite this article:
Anurag Dwivedi, VM Prasad, Mohd Shabi, Yogendra Tripathi and Piyush Pandey. Effect of plant growth regulators on growth, flowering and fruit set of 4 year old Kinnow Mandarin (Citrus reticulata Blanco.) plant. J Pharmacogn Phytochem 2018;7(4):3065-3068.

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