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International Journal of Pure & Applied Bioscience (IJPAB)
Year : 2018, Volume : 6, Issue : 5
First page : (742) Last page : (747)
Article doi: :

Effect of Different Herbicide Combinations on Weed Dynamics and Production Potential of Transplanted Rice

M. Ashok Naik1, P.V. Ramesh Babu2*, M. Srinivasa Reddy3 and P. Kavitha4

1P. G Scholar, Department Agronomy,
2Assistant Professor, Department Agronomy,
3Associate Professor and Head, Department Agronomy,
4Assistant Professor and Head, Department of Soil Science & Agricultural Chemistry,
Agricultural College, Mahanandi-518502, Andhra Pradesh, India
*Corresponding Author E-mail:
Received: 31.05.2018 | Revised: 29.06.2018 | Accepted: 7.07.2018  



A field experiment was conducted at College Farm, Agricultural College, Mahanandi on sandy loam soils to know the efficacy of different herbicides in transplanted rice. Most of the improved crop management practices in rice cultivation failed in controlling weeds due to poor and improper management. At present the use of herbicides or manual is not effective in timely controlling the weed population. Hence, the present investigation was aimed to study the influence of herbicide in combination with hand weeding on the productivity of transplanted rice. The experiment comprised of 8 treatments i.e., such as application of herbicides alone and their integration with one hand weeding, two hand weeding and unweeded check were tested in randomized block design with three replications. Among these treatments, the lower weed density and weed dry weight, higher weed control efficiency, yield attributes, maximum grain yield (5637.00 kg ha-1), straw yield (6599.00 kg ha-1) and harvest index (46.60 %) were recorded under two hand weeding, which was at par with post emergence application of bispyribac sodium 20 g a.i. ha-1in combination with hand weeding at 40 DAT.

Key words: Transplanted rice, Herbicides, Hand weeding, Weed control efficiency, Yield attributes and Yield.

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Cite this article: Ashok Naik, M., Ramesh Babu, P. V., Srinivasa Reddy, M. and Kavitha, P., Effect of Different Herbicide Combinations on Weed Dynamics and Production Potential of Transplanted Rice, Int. J. Pure App. Biosci.6(5): 742-747 (2018). doi: