Browsing by Author "HASSAN, MEHEDI"

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    IMPACT OF ORGANIC MANURE TO COMBAT DROUGHT STRESS OF WHEAT
    (DEPARTMENT OF AGRONOMY, 2018) HASSAN, MEHEDI
    A pot experiment was conducted at the net house of Sher-e-Bangla Agricultural University, Dhaka-1207 during the rabi season of the year 2017-18 to evaluate the impact of organic manure to combat drought stress of wheat. The 3×4 factorial experiment was laid out in a Completely Randomized Design (CRD) with three replications. Factor A: Different organic manure [F 0 1 , F 2 = Vermicompost 7 t ha -1 = Control, F 1 = Cowdung 10 t ha ] and Factor B: Drought in different growth stages [D 0 = Control, D 1 = Drought in crown root initiation stage (20-29 DAS), D 2 = Drought in booting stage (45-54 DAS), D 3 = Drought in anthesis stage (55-64 DAS)]. BARI Gom28 was used as test crop. Significant variation was observed on growth, yield and yield contributing parameters. In the case of organic manure, the tallest plant (24.84, 35.77, 56.60 and 78.42 cm, respectively) at 20, 40, 60 DAS and at harvest; highest number of effective tillers plant -1 (8.33), spike length (14.61 cm), number of spikelet spike (16.33), number of grains spikelet -1 (7.67), number of grains spike -1 (37.00), weight of 1000 seed grain (44.93 g), grain yield (4.39 g plant -1 ), straw yield (4.69 g plant ), biological yield (9.08 g plant -1 ) and harvest index (48.35%) were recorded from F 1 . In the case of drought stress, the tallest plant (23.31, 34.97, 53.72 and 75.07 cm, respectively) at 20, 40, 60 DAS and at harvest; highest number of effective tillers plant 1 (9.67), spike length (15.22 cm), number of spikelet spike -1 (17.67), number of grains spikelet -1 (8.33), number of grains spike -1 (39.00), weight of 1000 seed grain (45.14 g), grain yield (4.72 g plant -1 ), straw yield (5.05 g plant -1 ), biological yield (9.77 g plant ) and harvest index (48.31%) were recorded from D 0 which was followed by D 2 . In the case of interaction, the maximum plant height (27.66, 48.10, 63.15 and 78.56 cm, respectively) at 20, 40, 60 DAS and at harvest; highest number of effective tillers plant 1 (10.33), spike length (16.12 cm), number of spikelet spike -1 (18.00), number of grains spikelet -1 (9.67), number of grains spike -1 (40.00), weight of 1000 seed grain (48.37 g), grain yield (4.89 g plant -1 ), straw yield (5.18 g plant -1 1 ) and harvest index (48.56%) were recorded from F 1 ), biological yield (10.07 g plant D 0 . It can be concluded that cowdung may be suggested to apply in drought condition.