Effect of Bioregulators on Growth, Yield and Chemical Constituents of Soybean (Glycine max)

Konthoujam Devi, Abhay Kumar Vyas, Maibam Sumarjit Singh and Naorem Gopimohon Singh

Journal of Agricultural Science, 2011, vol. 3, issue 4, 151

Abstract: A three-year study was conducted during 2006-2008 in India (Manipur) to study the response of soybean variety JS 335 to salicylic acid @ 50 ppm, Ethrel @ 200 ppm, Cycocel @ 500 ppm  and control (water spray) applied as foliar spray at different stages viz. flower-initiation (40 DAS), pod-initiation (60 DAS) and flower-initiation + pod-initiation. The study revealed that application of Ethrel @ 200 ppm at both flower-initiation (40 DAS) + pod-initiation (60 DAS) gave higher vegetative growth, yield, net returns and B-C ratio as compare to salicylic acid @ 50 ppm, Cycocel @ 500 ppm and control. However, maximum chlorophyll content and carotenoids were obtained from cycocel @ 500 ppm treated plants.

Date: 2011
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