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International Journal of Current Microbiology and Applied Sciences (IJCMAS)
IJCMAS is now DOI (CrossRef) registered Research Journal. The DOIs are assigned to all published IJCMAS Articles.
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National Academy of Agricultural Sciences (NAAS)
NAAS Score: *5.38 (2020)
[Effective from January 1, 2020]
For more details click here

ICV 2019: 96.39
Index Copernicus ICI Journals Master List 2019 - IJCMAS--ICV 2019: 96.39
For more details click here

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Original Research Articles

PRINT ISSN : 2319-7692
Online ISSN : 2319-7706
Issues : 12 per year
Publisher : Excellent Publishers
Email : editorijcmas@gmail.com / submit@ijcmas.com
Editor-in-chief: Dr.M.Prakash
Index Copernicus ICV 2018: 95.39
NAAS RATING 2020: 5.38

Int.J.Curr.Microbiol.App.Sci.2017.6(8): 2297-2303
DOI: https://doi.org/10.20546/ijcmas.2017.608.270


Effect of Post-Emergence Herbicide -Tembotrione on Yield, Soil Dehydrogenase Activity and Its Phytotoxicity on Maize (Zea mays L.) under Mid Hill Conditions of Himachal Pradesh, India
Ankush Kumar1*, M.C. Rana1, Neelam Sharma2 and S.S. Rana1
1Department of Agronomy, Forages and Grassland Management, CSK HPKV, Palampur, India
2Department of Chemistry and Biochemistry, CSK HPKV, Palampur, India
*Corresponding author
Abstract:

A field experiment was carried out during kharif 2014 and 2015 at experimental farm of Department of Agronomy, CSK HPKV, Palampur (HP) to evaluate the effect of post emergence herbicide –Tembotrione on yield, soil dehydrogenase activity and its phytotoxicity on maize (Zea mays L.) in silty clay loam soil under mid hill conditions of Himachal Pradesh. The experiment was laid out in Randomized Block Design with sixteen treatments replicated thrice. The treatments were three doses of tembotrione (110, 120 and 130 g/ha) with and without surfactant (1000 and 0 ml/ha) at 2 and 3 weeks after sowing and 4 checks [farmer’s practice, atrazine 1.5 kg/ha; weed free (atrazine fb 2-4, D fb hand-weeding if required) and weedy check]. Application of tembotrione 130 g/ha with surfactant at 14 and 21 DAS was comparable to weed free in increasing the grain yield during both the years. Soil dehydrogenase activity in herbicide treated treatments was significantly reduced up to 60 DAS in comparison to later stages. However, the soil dehydrogenase activity was recovered due to degradation of herbicide afterwards. The herbicide was not having any phytotoxic effect on the crop.


Keywords: Tembotrione, Grain yield, Dehydrogenase, Phytotoxicity and Maize.
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How to cite this article:

Ankush Kumar, M.C. Rana, Neelam Sharma and Rana, S.S. 2017. Effect of Post-Emergence Herbicide -Tembotrione on Yield, Soil Dehydrogenase Activity and Its Phytotoxicity on Maize (Zea mays L.) under Mid Hill Conditions of Himachal Pradesh.Int.J.Curr.Microbiol.App.Sci. 6(8): 2297-2303. doi: https://doi.org/10.20546/ijcmas.2017.608.270