Effect of nitrogen and plant growth regulator on growth and yield of sesame (Sesamum indicum L.)

Abstract

A field experiment was conducted at the Crop Research Farm, Department of Agronomy, SHUATS, Prayagraj (U.P.), during the month of Kharif 2024. The treatments for the experiment consisted of three levels of Nitrogen viz. N 45 kg, 60 kg and 75 kg/ha and three levels of Plant Growth Regualtor viz IAA at flowering stage, GA3 at capsule formation stage and NAA at flowering and capsule formation stage The soil on the experimental plot was sandy loam in texture, had a pH of 7.8, contained 0.72 per cent organic carbon, and had 178.48 kg of nitrogen, 27 kg of phosphorus, and 233 kg of potassium available per hectare. There were 10 treatments, each reproduced three times, and they were organised using a Random Block Design. It is concluded that Application of Nitrogen 45 kg/ha + IAA 100 ppm (Treatment 1) recorded maximum plant height (124.54) where as application of Nitrogen 60kg/ha+ GA3 100 ppm (Treatment5) recorded maximum number of capsule per plant (32.333), seeds per capsule (71.2), seed yield (923.6kg/ha), stover yield (2.9t/ha).