Author(s):

Amit Kumar, Dr. SN Singh and Dr. MA Khan

Abstract: An experiment “To know the effect of foliar application of thiourea and Potassium nitrate on Physiological growth at different stages of Sesame (Sesame indicum L.)” was conducted behind the wire net house of Department of Crop Physiology, C.S. Azad University of Agriculture and Technology, Kanpur (208002). To study the response on Sesame of thiourea and Potassium nitrate along with foliar application at two spray (55 DAS and 70 DAS) during Kharif season 2015. Crop under foliar application of thiourea and KNO₃ attained maximum growth, chlorophyll intensity and dry matter accumulation in plant parts. It resulted in significantly improved productivity over other treatment KNO₃ which were also found superior over thiourea also found better then control growth parameters viz. plant height, number of leaves, number of branches, leaf area and dry matter production of (stem, leaves, pod) in (g) and growth analysis parameter these were RGR (Relative Growth Rate), NAR (Net Assimilation Rate), LAD (Leaf Area Duration), dry matter accumulation per day per plant (g) and yield attributes number of capsules per plant, number of seed per capsule test weight of(1000 seeds) in (g), seed yield, biological yield per plant as well as metabolic activity chlorophyll intensity percent over control among the application of thiourea 0.05% and KNO₃ 1% along both recorded maximum improvement to control but the KNO₃ is recorded maximum improvement in all these parameters followed by thiourea.

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