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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 (2020)
[Effective from January 1, 2020]
For more details click here

ICV 2018: 95.39
Index Copernicus ICI Journals Master List 2018 - IJCMAS--ICV 2018: 95.39
For more details click here

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PRINT ISSN : 2319-7692
Online ISSN : 2319-7706
Issues : 12 per year
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Index Copernicus ICV 2018: 95.39
NAAS RATING 2020: 5.38

Int.J.Curr.Microbiol.App.Sci.2017.6(7): 2205-2210
DOI: https://doi.org/10.20546/ijcmas.2017.607.320


Comparative Biology of Rhyzopertha dominica (Fab.) in Major Cereals
P. Sudheer Kumar1*, T. Uma Maheswari2 and A. P. Padmakumari3
1Department of Agricultural Entomology, BCKV, Kalyani, Nadia, West Bengal, India
2Department of Agricultural Entomology, PJTSAU, Rajendranagar, Hyderabad – 500030,Telangana, India
3Division of Entomology, Directorate of Rice Research, Rajendranagar,Hyderabad, Telangana, India
*Corresponding author
Abstract:

Aiming at verifying the effect of host on the development, the biology of Rhyzopertha Dominica (Fab.) was studied on paddy variety, Sumati, Maize Hybrid DHM-111 and sorghum variety M 35-1 during 2009-10 in the Department of Entomology, College of Agriculture, Rajendranagar, Hyderabad. The biological parameters assessed were egg duration, egg hatching percentage, total larval and pupal period, total development period, fecundity, male and female longevity, sex ratio, pre-oviposition, oviposition and post oviposition period. When R. Dominica was reared on paddy, maize and sorghum the egg period was lowest in paddy variety sumati (6.57) and highest in maize hybrid DHM 111 (7.72). The egg hatching percentage is lowest in Maize Hybrid, DHM-111 (68.48±3.95) and highest in case of sorghum var. M 35-1 (73.65±5.12). The total larval and pupal period shortest in sorghum var. M 35-1 (35.35±1.95) and highest in Maize Hybrid, DHM-111 (43.85±1.45). The shortest total developmental period of 42.17±2.13 and 41.63±2.17 were recorded in male and female of R. Dominica in sorghum var. M 35-1 and the longest developmental period of 51.57±1.28 and 50.77±1.14 were recoreded in males and females of R. Dominica in case of Maize Hybrid, DHM-111. In all the three hosts it was found that the longevity of female was longer than male. The shortest pre-oviposition, oviposition and post oviposition periods of 4.03±0.67, 31.33±2.41, 6.13±0.73 days were recorded in Maize Hybrid DHM- 111 respectively. The results obtained shows that among the three host grains used for the study, Maize hybrid was found to be the least preferred host, followed by paddy variety, Sumati and sorghum variety, M 35-1.


Keywords: Rhyzopertha dominica (Fab.), Paddy, Maize and sorghum, Variety and hybrid.
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How to cite this article:

Sudheer Kumar, P., T. Uma Maheswari and Padmakumari, A.P. 2017. Comparative Biology of Rhyzopertha dominica (Fab.) in Major CerealsInt.J.Curr.Microbiol.App.Sci. 6(7): 2205-2210. doi: https://doi.org/10.20546/ijcmas.2017.607.320