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Thakur, Shabnam
- Efficacy of herbicidal weed management practices on weed dynamics in direct seeded upland rice of Himachal Pradesh
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1 Department of Agronomy, College of Agriculture CSK Himachal Pradesh Krishi Vishvavidyalaya, Palampur-176 062,, IN
1 Department of Agronomy, College of Agriculture CSK Himachal Pradesh Krishi Vishvavidyalaya, Palampur-176 062,, IN
Source
Himachal Journal of Agricultural Research, Vol 48, No 2 (2022), Pagination: 291-295Abstract
A field experiment was conducted during kharif 2021 at the Research Farm of Department of Agronomy, College of Agriculture, CSK Himachal Pradesh Krishi Vishvavidyalaya, Palampur, to study the effectiveness of a new post-emergence broad-spectrum herbicide GOD H008 (Bispyribac sodium 5% SC+ Pyrithiobac sodium 12.5% SG) to control mixed weed flora in direct-seeded upland rice (Oryza sativa L). The experiment was laid out in Randomized Block Design with three replications and seven weed control treatments. The treatments consisted of three doses of GOD H008 (Bispyribac sodium 5% SC+ Pyrithiobac sodium 12.5% SG) viz. 375ml/ha, 500ml/ha and 625ml/ha, bispyribac sodium 250ml/ha, pyrithiobac sodium 625ml/ha, hand weeding (weed free) and untreated check respectively. The predominant weed flora present in the experimental field was Ageratum conyzoides, Cyperus rotundus, Commelina benghalensis, Echinochloa colona, Digitaria sanguinalis and Synedrella nodiflora. Application of new herbicide combination product GOD H008 (Bispyribac sodium 5% SC+ Pyrithiobac sodium 12.5% SG) 500ml/ha being statistically at par with GOD H008 (Bispyribac sodium 5% SC+ Pyrithiobac sodium 12.5% SG) 625ml/ha and bispyribac sodium 250ml/ha resulted in significantly lower total weed count, total weed dry weight and highest weed control efficiency as compared to other weed control treatments. Significantly highest grain and straw yield were recorded with the application of GOD H008 (Bispyribac sodium 5% SC+ Pyrithiobac sodium 12.5% SG) 500ml/ha at harvest and this treatment was closely followed by GOD H008 (Bispyribac sodium 5% SC+ Pyrithiobac sodium 12.5% SG), 625 ml/ha.Keywords
GOD H008 (Bispyribac sodium 5% SC+ Pyrithiobac sodium 12.5% SG), weed control, direct seeded rice.References
- Chauhan BS. 2012. Weed ecology and weed management strategies for dry-seeded rice in Asia. Weed Technology 26:1-13.
- Gaire R, Dahal KR and Amgain LP. 2013. Effect of different mulching materials on weed dynamics and yield of direct-seeded rice in Chitwan, Nepal. Agronomy Journal of Nepal 3:73-81.
- Hussain S, Ramzan M, Akhter M and Aslam M. 2008. Weed management in direct-seeded rice. Journal of Animal and Plant Sciences 18 (2&3):86-88.
- Khaliq A, Matloob A, Ahmad N Rasuland F and Awan IU. 2012. Post-emergence control in direct seeded fine rice. The Journal of Animal & Plant Sciences 22 (4):1101- 1106.
- Kumar J, Singh D, Singh B, Singh R, Panwar S and Gupta AK. 2013. Sowing time and weed management practices to enhance yield of direct-seeded rice. Indian Journal of Weed Science 44 (4):207-209.
- Kumar S, Rana SS and Angiras NN. 2011. Influence of seeding and weed control methods on the productivity of puddle seeded rice. Himachal Journal of Agricultural Research 37 (2):149-156.
- Mishra A and Tosh GC. 1979. Chemical weed control studies on dwarf wheat. Journal of Research (Orissa University of Agricultural Science and Technology) 10:1-6.
- VeeraputhiranR and Balasubramanian R.2013. Evaluation of bispyribac-sodium in transplanted rice. Indian Journal of Weed Science 45 (1):12-15
- Bio-efficacy of flumioxazin against mixed weed flora in grassland of Himachal Pradesh
Abstract Views :160 |
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Authors
Affiliations
1 Department of Agronomy, College of Agriculture CSK Himachal Pradesh KrishiVishvavidyalaya, Palampur-176062,, IN
1 Department of Agronomy, College of Agriculture CSK Himachal Pradesh KrishiVishvavidyalaya, Palampur-176062,, IN
Source
Himachal Journal of Agricultural Research, Vol 48, No 2 (2022), Pagination: 296-299Abstract
A field experiment was conducted during kharif 2021 at the Research Farm of Department of Agronomy, College of Agriculture CSK Himachal Pradesh Krishi Vishvavidyalaya, Palampur, to study the bio-efficacy of flumioxazin against mixed weed flora in grassland. The experiment was laid out in Randomized Block Design with three replications. The experiment consisted of nine weed control treatments viz., flumioxazin 150 g/ha, 200 g/ha, 250 g/ha, 300 g/ha, 500 g/ha, oxyfluorfen 1000 g/ha, weed free, glyphosate 4000 g/ha and untreated control. The major weeds in the experiment area were Ageratum conyzoides, Erigeron canadensis, Bidens pilosa, Cynodon dactylon, Cyperus sp., Digitaria sanguinalis and Plantago lanceolata. The results revealed that post-emergence application of flumioxazin 500 g/ha, which was statistically at par with flumioxazin 300 g/ha, flumioxazin 250 g/ha, flumioxazin 200 g/ha and glyphosate 4000 g/ha were quite effective in controlling weeds with higher weed control efficiency. Application of flumioxazin 300 g/ha resulted in significantly higher fresh and dry herbage yield of grasses which was at parwith flumioxazin 500 g/ha, 250 g/ha and 200 g/ha.Keywords
Flumioxazin, weed control, grassland.References
- Angiras NN. 2014. Management of perennial weeds under non-cropped hill ecosystems. Indian Journal of Weed Science 46 (1):52-60.
- Corbett J, Askew S, Thomas Wand Wilcut J. 2004. Weed efficacy evaluations for bromoxynil, glufosinate, glyphosate, pyrithiobac, and sulfosate. Weed Technology 18 (2):443-453.
- Kumar S, Sharma N, Manuja S and Bhalla T. 2021. Bioefficacy and phytotoxicity of glyphosate 41% SL on weed flora and its effect on soil microbial activities in non-cropped area. Journal of Natural Resource Conservation and Management 2 (1):81-83.
- Mishra A and Tosh GC. 1979. Chemical weed control studies on dwarf wheat. Journal of Research (Orissa University of Agricultural Sciences and Technology) 10:1-6.
- Pooja, Kumar S, Sharma N, Rana SS and Manuja S. 2021. Bio-Efficacy of GOD H007 formulation, in semitemperate undulating pasture lands of Himachal Pradesh. Himachal Journal of Agricultural Research 46 (2):205- 209.
- Rana SS, Badiyala D, Sharma N and Kumar R. 2015. Major weeds in the non cropped lands of Himachal Pradesh. Department of Agronomy, CSK Himachal Pradesh Krishi Vishvavidyalaya, Palampur.
- Rana SS, Kumar S, Sharma N and Angiras NN. 2017. Herbicide management of Parthenium hysterophorus L. in grassland ecosystem of Himachal Pradesh. Contemporary Research in India ISSNN 2231-2137.
- Sridhara S, Nandini R, Gopakkali P and Somavanshi AV. 2019. Weed control efficiency and weed index in soybean as influenced by flumioxazin and its effect on succeeding green gram. International Journal of Chemical Studies 7 (6):872-875