GROWTH AND YIELD OF MODERN RICE VARIETIES AS AFFECTED BY PLANT GROWTH STIMULATOR AND FOLIAR FERTILIZATION IN BORO SEASON

Abstract

The experiment was carried out at the Research Farm of Sher-e-Bangla Agricultural University, Dhaka-1207 from November, 2016 to May, 2017 to study effect of plant growth stimulator and foliar fertilization on modern rice varieties. The experiment was laid out following Randomized Complete Block Design with three replications. Two Rice varieties (BRRI dhan29 and BRRI dhan45) and five combinations of plant growth stimulator and foliar fertilization management (i) Recommended fertilizer dose; (ii) Recommended fertilizer dose + Akota (iii) Recommended fertilizer dose + Global; (iv) Recommended fertilizer dose + Akota + Global and (v) Recommended fertilizer dose + Akota + Global. Data were recorded on different growth characters and yield contributing parameters. Most of the parameters were showed significant among the treatment means. In case of variety the highest (101.67 cm) plant height at harvest, panicles hill -1 (16.71), filled grains panicle -1 (192.83), total grains panicle -1 (199.26) and grain yield (7.28 t ha -1 ) was recorded from BRRI dhan29. In case of PGS and fertilizer treatment, the highest values were recorded from T 4 (Recommended fertilizer dose + Akota +Global ) for all growth and yield attributing characters at different DAT. Due to this T 4 treatment effective tillers (95.75 %), Panicles hill -1 (17.65), total grains panicle -1 (178.0), 1000 grains weight (28.39g), grain yield (7.36 t ha -1 ) was recorded. Due to the interaction the highest value of plant height (103.6 cm), number of tillers hill -1 (18.03) was recorded from BRRIdhan29 × T 4 (Recommended fertilizer dose + Akota + Global) at harvest. The highest value of all yield attributing characters including grain yield (7.63 t ha -1 ) was recorded from BRRI dhan29 × T 4 (Recommended fertilizer dose +Akota + Global). So, BRRI dhan29 and T 4 (Recommended fertilizer dose +Akota +Global) treatment together had superiority for growth and yield over the other treatments.