Vol. 11, Issue 11 (2022)

Author(s):
M Manickaselvi and R Rajavarthini

Abstract:
Field experiment was conducted at Pushkaram college of Agriculture Sciences, at Veppangudi village, Thiruvarankulam block, Pudukkottai district to study the effect of bio-growth hormone on growth of sorghum, during Kharif season (April–July) 2022. The experiment was laid out in randomized block designs (RBD) and replicated thrice. The treatments comprised of different concentration of bio-growth hormone viz., T₁-0.5% bio growth hormone, T₂-1% bio growth hormone, T₃-1.5% bio growth hormone, T₄-2% bio growth hormone, T₅-2.5% bio growth hormone, T₆- 3% bio growth hormone, T₇- 3.5% bio growth hormone, T₈- control. Among the treatments, T₅ (2.5%) significantly influenced the growth components (plant height, root and shoot length, leaf area index) followed by T₇ (3.5% bio growth hormone). The least values for all the growth parameters were recorded with T₈ (control).