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International Journal of Current Microbiology and Applied Sciences (IJCMAS)
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National Academy of Agricultural Sciences (NAAS)
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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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 2017: 100.00
NAAS RATING 2018: 5.38

Int.J.Curr.Microbiol.App.Sci.2019.8(2): 2985-2992
DOI: https://doi.org/10.20546/ijcmas.2019.802.348


Evaluation of Effect of Different Nitrogen Sources on Major Insect Pests Infesting Okra, Abelmoschus esculentus (L.) Moench. under Semi Arid Region of Rajasthan, India
S.M. Jat1*, A.S. Baloda1, Purushotam Sharma1 and Sharwan Lal Jat2
1Department of Entomology, Rajasthan Agricultural Research Institute, Durgapura, Jaipur, Rajasthan, India
2SKNAU, Jobner
*Corresponding author
Abstract:

Investigations on evaluation of effect of different nitrogen sources on major insect pests infesting okra was carried out at the Department of Entomology, Rajasthan Agricultural Research Institute, Durgapura, Jaipur during kharif 2016 and 2017. The major insect pests infesting okra observed during two consecutive seasons were leaf hopper, A. biguttula biguttula; whitefly, B. tabaci and okra shoot and fruit borer and E. vittella. Different sources of nitrogen were applied as different treatments to the okra crop. The fertilizers applied were urea, vermicompost and farm yard manure and their different combinations. Maximum nitrogen content in leaf of okra was observed in treatment where, 75 percent nitrogen was applied through urea and 25 per cent was applied through vermicompost. Maximum population of leaf hopper and whitefly was observed in treatment where, all the nitrogen was applied through urea (6.94 & 8.37 per plant) and minimum population was recorded from treatment where, all the nitrogen was applied through vermicompost (2.27 and 2.34 per plant). Maximum fruit infestation was recorded in treatment, where all the nitrogen was applied through urea i.e. 14.39% (on number basis) and 21.55% (on weight basis).


Keywords: Okra, Insect pests, Nitrogen levels, Vermicompost and farm yard manure
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How to cite this article:

Jat, S.M., A.S. Baloda, Purushotam Sharma and Sharwan Lal Jat. 2019. Evaluation of Effect of Different Nitrogen Sources on Major Insect Pests Infesting Okra, Abelmoschus esculentus (L.) Moench. under Semi Arid Region of Rajasthan, India.Int.J.Curr.Microbiol.App.Sci. 8(2): 2985-2992. doi: https://doi.org/10.20546/ijcmas.2019.802.348