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Vol. 11, Special Issue 2 (2022)

Herbicides combination effects on Cyprus iria and nutrient studies of transplanted rice in western Uttar Pradesh

Author(s):
Arun Kumar, Vivek and RK Naresh
Abstract:
A field experiment was conducted with the aim to know effects of different herbicide combination on Cyprus iria and nutrient studies of transplanted rice in western Uttar Pradesh during Kharif 2016 at Crop Research Centre of Sardar Vallabhbhai Patel University of Agriculture & Technology, Meerut, U. P. (India). The experimental site was sandy loam in texture, low in organic carbon and available N, medium in available P and K and slightly alkaline in reaction. The experiment was set in randomized complete block design with three replications comprising twelve weed management treatments. Among the different herbicidal treatments lowest populations of Cyprus iria was found with the application of Pyrazosulfuron fb Bispyribac Sodium (150 g a.i ha-1 PE fb 25g a.i ha-1 POE) and found at par with Pyrazosulfuron fb Azimsulfuron(150 g a.i ha-1 PE fb 30 g a.i ha-1 POE). The highest nitrogen, phosphorus and potassium content and uptake by weeds was found under weedy check while lowest 3.09 kg ha-1 in two hand weeding. Among the herbicides lowest nitrogen, phosphorus and potassium content and uptake at harvest stage was found with the application of Pyrazosulfuron fb Bispyribac Sodium (150 g a.i ha-1PE fb 25g a.i ha-1POE) was at par with Pyrazosulfuron fb Azimsulfuron (150 g a.i ha-1PE fb 30 g a.i ha-1POE), Anilophos fb Bispyribac Sodium (400 g a.i ha-1PE fb25g a.i ha-1POE) and Anilophos fb Azimsulfuron (400 g a.i ha-1PE fb 30 g a.i ha-1POE). This shows that Pyrazosulfuron fb Bispyribac Sodium (150 g a.i ha-1PE fb 25g a.i ha-1 POE) can be applied in transplanted rice for effective weed control, higher growth and productivity.
Pages: 944-948  |  291 Views  86 Downloads
How to cite this article:
Arun Kumar, Vivek and RK Naresh. Herbicides combination effects on Cyprus iria and nutrient studies of transplanted rice in western Uttar Pradesh. The Pharma Innovation Journal. 2022; 11(2S): 944-948.

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