Author(s):

VW Bramhankar, VD Shende, RV Chahande and HS Deshmukh

Abstract: A soybean variety Phule Agrani was evaluated for foliar sprays of Etheral @ 150ppm (T1), Etheral @ 200ppm (T2), SNP @ 150µM (T3), SNP @ 200µM (T4), CCC @ 500ppm (T5), CCC @ 1000 ppm (T6), FeSO₄ @ 0.5% (T7), FeSO₄ @ 0.10% (T8), Water Spray (T9) and Absolute Control (T10) in randomized block design with three replication at MPKV, Rahuri during Kharif, 2015. The foliar sprays of CCC @ 500 ppm and @ 1000 ppm delayed the flowering period, arrested plant height, profuse branching, and maximum leaf area and leaf area index (LAI). Consistently, theses treatments maintained higher dry matter production and it’s distribution in component parts of plant, LAD, LAR, SLW, AGR and CGR. In addition to this, SNP @ 200 µM and FeSO₄ @ 0.5% were also promising for maintaining dry matter production and growth parameters. According, the foliar sprays of CCC at lower followed by higher concentration @ 500 ppm and @ 1000 ppm and SNP @ 200 µM and FeSO₄ @ 0.5% were found better for recording higher yield and yield components. Therefore, the foliar sprays of CCC @ 500 ppm and @ 1000 ppm might be considered as better plant growth regulator for maintaining growth and yield improvement in soybean.

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