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International Journal of Current Microbiology and Applied Sciences (IJCMAS)
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NAAS Score: *5.38 (2019)
[Effective from January 1, 2019]
For more details click here

ICV 2017: 100.00
Index Copernicus ICI Journals Master List 2017 - IJCMAS--ICV 2017: 100.00
For more details click here

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Int.J.Curr.Microbiol.App.Sci.2019.8(3): 1004-1013
DOI: https://doi.org/10.20546/ijcmas.2019.803.122


Management of Mikania micrantha in Young Robusta Coffee Plantation of Karbi Anglong District of Assam
A.R. Bora1*, J. Deka2, I.C. Barua2 and B. Barman1
1Regional Coffee Research Station, Coffee Board, Diphu, Assam- 782 460, India
2Assam Agricultural University, Jorhat, Assam- 785 013, India
*Corresponding author
Abstract:

A field experiment was conducted at the Regional Coffee Research Station, Diphu, Assam during 2016 and 2017 for effective management of Mikania micrantha in young robusta coffee plantation. The experiment was laid out in factorial RBD with 3 replications of 9 treatments consisting of 3 gibberellic acid concentrations viz., 0 ppm, 250 ppm and 500 ppm and 3 weed management practices viz., Oxyfluorfen (0.29kg/ha) followed by Glyphosate (0.99 kg/ha), Oxyfluorfen (0.29kg/ha) followed by Glyphosate (0.99 kg/ha)+ 2,4-D (0.73kg/ha) and weedy check. During both the years, gibberellic acid 500 ppm recorded significantly higher density and dry weight of M. micrantha at 40 days after gibberellic acid application (DAGA) compared to other treatments, but different gibberellic acid treatments were at par in respect of Micania density and dry weight at 80, 120 and 160 DAGA as well as growth parameters of young coffee. In herbicide treatments, there was no M. micrantha during the entire period of experimentation. Application of Oxyfluorfen (0.29kg/ha) followed by Glyphosate (0.99 kg/ha) and Oxyfluorfen (0.29kg/ha) followed by Glyphosate (0.99 kg/ha) + 2,4-D (0.73kg/ha) resulted significantly higher growth parameters of young coffee as compared to weedy check in both the years but the herbicide treatments were at par. The hormone and herbicide application did not interact significantly in respect of density and dry weight of M. micrantha at 80, 120 and 160 DAGA. It was concluded that M. micrantha could be managed effectively by application of Oxyfluorfen (0.29kg ha-1) followed by Glyphosate (0.99 kg ha-1).


Keywords: Mikania micrantha, Robusta Coffee, Karbi Anglong,
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How to cite this article:

Bora, A.R., J. Deka, I.C. Barua and Barman, B. 2019. Management of Mikania micrantha in Young Robusta Coffee Plantation of Karbi Anglong District of Assam.Int.J.Curr.Microbiol.App.Sci. 8(3): 1004-1013. doi: https://doi.org/10.20546/ijcmas.2019.803.122