Vol. 10, Issue 9 (2021)

Author(s):
Suraboina Himabindu and Rajesh Singh

Abstract:
A field experimental study was conducted during rabi season of 2020 at Crop Research, Department of Agronomy, SHUATS, Prayagraj (U.P). The soil of experiment plot was sandy loam in texture, nearly neutral in soil reaction of pH - 6.9, low in organic carbon - 0.91%, available N - 301.26 kg/ha, available P - 37.23 kg/ha and available K - 271.47 kg/ha. Totally, nine treatments were developed with two spacings (20 cm x 5 cm and 30 cm x 5 cm) and two plant growth regulators (Gibberellic acid at 125 ppm and 250 ppm; Indole acetic acid at 1 ppm and 3 ppm) and one control plot. Based on the treatments, the experiment was carried out in a randomized block design and were replicated thrice. The results defined that plant height (52.25 cm), dry weight per plant (8.93 g) and seed yield (1.48 t/ha) was attained higher with combination of 20 cm x 5 cm spacing with gibberellic acid at 250 ppm. However, crop growth rate (10.31 g/m²/day) was obtained maximum values in 30 cm x 5 cm + GA₃ at 250 ppm and relative growth rate (0.0160 g/g/day) was in 30 cm x 5 cm + IAA at 3 ppm, respectively.