Growth and Yield of Summer Tomato as Influenced by Plant Growth Regulators

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A field experiment was carried out at Horticulture Farm of Sher-e-Bangla Agricultural University, Dhaka-1207, Bangladesh, to assess the effect of different plant growth regulators on tomato during summer season 2011. Different plant growth regulators (PGR) viz. PGR = Control, 0 PGR1 = 4-CPA (4-chloro phenoxy acetic acid) @ 20 ppm, PGR2 = GA3 (Gibberellic Acid) @ 20 ppm and PGR3= 4-CPA + GA3 @ 20 ppm of each were used in the study. The growth and yield contributing characters were significantly differed due to different plant growth regulators. The maximum plant  height at 60 DAT (86.01cm), number of flowers cluster per plant (10.60), number of flowers per plant (39.69), number of fruits per plant (36.54), single fruit weight (74.01 g) and yield (28.40 t ha-1) were found in PGR3 and the minimum for all the parameters were found in control (PGR0) treatment.

Authors: 
S. Choudhury
Authors: 
N. Islam
Authors: 
M.D. Sarkar
Authors: 
M.A. Ali
Publisher: 
International Journal of Sustainable Agriculture
Year: 
2013