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Journal of Pharmacognosy and Phytochemistry

Journal of Pharmacognosy and Phytochemistry

Vol. 7, Special Issue 1 (2018)

Influence of herbicides on growth and profitability of transplanted rice (Oryza sativa L.) in Jharkhand

Author(s):

Md N Ali, Prerna, A Sah, G Kumari, T Izhar, P Alam and RK Lakra

Abstract:
An experiment has been carried out during kharif, 2013 at Rice agronomical Farm, Western Section Birsa Agricultural University, Kanke, Ranchi, Jharkhand on clay loam soil having low in organic carbon (0.37%) and available nitrogen (253.4kg/ha) whereas medium in available phosphorus (15.9kg/ha) and potassium (137.5kg/ha) with moderately acidic (pH 6.1). CGR, NAR, dry matter accumulation rate as well as LAI were also high under application of flucetosulfuron 20 or 25g/ha followed by bispyribac sodium 25g/ha throughout the crop period. However, application of flucetosulfuron 20g/ha alone was also being similar to flucetosulfuron 20 or 25g/ha followed by bispyribac sodium 25g/ha recorded comparatively higher CGR, NAR, dry matter accumulation rate and LAI than rest of the chemical weed control treatments as well as mechanical and hand weeding. Grain yield of rice with application of Flucetosulfuron 20 or 25g/ha followed by Bispyribac sodium 25g/ha was as high (54.58 and 55.88q/ha, respectively) as in weed free (58.48q/ha). Further, application of Flucetosulfuron 20g/ha alone at 3 days after transplanting (DAT) produced similar grain yield (52.68q/ha) as in combination with Bispyribac sodium 25g/ha and was significantly higher to application of Bispyribac sodium 25g/ha alone as well as hand weeding to the tune of 11 and 22%, respectively. Application of Flucetosulfuron 20g/ha alone had similar net return (Rs.36750/ha and Rs.39174 respectively) and Beneft: cost ratio (1.46 and 1.38 respectively) as weed free situation. Further, application of Flucetosulfuron 20g/ha alone had significantly higher net return to the tune of 22 and 42% over mechanical and hand weeding, respectively.

Pages: 401-404  |  1421 Views  277 Downloads

How to cite this article:
Md N Ali, Prerna, A Sah, G Kumari, T Izhar, P Alam and RK Lakra. Influence of herbicides on growth and profitability of transplanted rice (Oryza sativa L.) in Jharkhand. J Pharmacogn Phytochem 2018;7(1S):401-404.

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