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

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


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.

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DOI: http://dx.doi.org/10.5539/jas.v3n4p151

Journal of Agricultural Science ISSN 1916-9752 (Print) ISSN 1916-9760 (Online)

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