| dc.description.abstract | An experiment was conducted during the period from November 2022 to March 2023 at
the research field of the Department of Agronomy, Hajee Mohammad Danesh Science
and Technology University, Dinajpur-5200 to assess the effect of Salicylic acid and
Gibberellic acid on yield and yield-attributing characteristics of mustard. The experiment
comprised of two factors, namely, Factor A: Doses of salicylic acid: four levels, viz., S1=
0 ppm (control), S2=125 ppm, S3=250 ppm and S4= 375 ppm and three levels of
Gibberellic acid viz., G1= 0 ppm (control), G2 = 50 ppm, and G3= 100 ppm. It consisted
of twelve different treatment combinations. Both the factors (salicylic acid dose and
gibberellic acid) were significantly affected on plant height (cm), number of siliqua
plant-1, number of seeds siliqua-1, thousand seed weight (gm), seed yield (t ha-1), stover
yield (t ha-1), biological yield (t ha-1) and harvest index (%) of BARI mustard
14 (Brassica spp.). Considering the application of different doses of salicylic acid, the
maximum siliqua plant-1 (9.75), seeds siliqua-1 (26.56), 1000-seed weight (2.80g), seed
yield (1.61 t ha-1), stover yield (3.28 t ha-1), biological yield (4.90 t ha-1) and harvest
index (32.88%) were observed in S3 (250 ppm) and the minimum number of siliqua
plant-1 (7.38), seeds siliqua-1 (21.32), 1000-seeds weight (2.26g), seed yield (1.06 t ha-1),
stover yield (2.57 t ha-1), biological yield (3.63 t ha-1) and harvest index (29.16℅) were
observed in S1 (0 ppm that is control). In case of different doses of GA3, the maximum
siliqua plant-1 (9.84), seeds siliqua-1 (24.70), 1000-seed weight (2.64 g), seed yield (1.40 t
ha-1), stover yield (3.02 t ha-1), biological yield (4.43 t ha-1) and harvest index (31.56%)
were recorded in G3 (100 ppm), while the minimum number of siliqua plant-1 (7.89),
seeds siliqua-1 (22.32), 1000-seed weight (2.40 g), seed yield (1.25 t ha-1), stover yield
(2.83 t ha-1), biological yield (4.08 t ha-1) and harvest index (30.45%) were observed in
G1(control). In case of interaction effect of salicylic and gibberellic acid, the maximum
number of siliqua plant-1 (11.12), seeds siliqua-1 (27.67), 1000-seed weight (3.04 g), seed
yield (1.73 t ha-1), stover yield (3.40 t ha-1), biological yield (5.13 t ha-1) and harvest
index (33.78%) were recorded in S3G3 treatment combination. The minimum number
siliqua plant-1 (6.58), seeds siliqua-1 (20.30), 1000-seed weight (2.20 g), seed yield (0.99 t
ha-1), stover yield (2.50 t ha-1), biological yield (3.49 t ha-1) and harvest index (28.46%)
were observed in S1G1 combination, respectively. So, it may be suggested that (250 ppm)
combined with gibberellic acid (100 ppm) showed better results for growth and yield of
mustard. | en_US |
