GROWTH AND YIELD OF CABBAGE AS INFLUENCED BY GA 3 AND MULCHING

Abstract

To study growth and yield of cabbage as influenced by GA and mulching a fieldstudy was carried out at the Horticulture farm of Sher-e-Bangla Agricultural University, Sher-e-Bangla Nagar, Dhaka-1207 during the period from October 2018to March 2019. Cabbage seeds of Atlas 70 were used as planting materials. Theexperiment consisted of two factors: Factor A: three mulching materials viz. M 3 = Control, M 1 = Polythene mulch and M 2 = Straw mulch and Factor B: Four levels GA application viz. G 0 = Control (0 ppm GA 3 ), G 1 = 80 ppm GA 3 , G 2 = 100 ppm GA andG 3 = 120 ppm GA . The experiment was laid out in a Randomized Complete BlockDesign (RCBD) with three replications. Results revealed that the mulching treatment M 1 3 (polythene mulch) showed promising results on growth and yield parameters and it was the treatment compared to others which showed the highest marketablecabbage yield (43.03 t ha -1 ) whereas the lowest (40.26 t ha -1 ) was from M (control condition). Among the GA 3 treatment, G 2 (100 ppm GA ) gave the best performancefor most of the studied parameters and showed highest marketable yield ha 3 (46.23 t ha -1 ) whereas the lowest (35.82 t ha -1 ) was from control treatment G ).Different treatment combination of mulching and GA also showed significant

3

0 0 -1 3 (0 ppm GA 0

3

3influence on different growth and yield parameters of cabbage. The highest gross yield (55.76 t ha -1 ) and marketable yield (47.43 t ha -1 3 ) were recorded from the treatment combination of M 1 G 2 0 0 -1 3 (0 ppm GA whereas the lowest (40.49 and 34.63 t ha , respectively) were found from M 0 G . Regarding economic analysis, the highest Benefit cost ratio (BCR) (3.37) was also recorded from M 0 1 G whereas the lowest BCR (2.38) was obtained from the treatment combination of M 2 0 G . From growth, yield and also economic point of view, it is apparent that the combination of M 0 1 G 2 0 .