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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.2017.6(5): 591-602
DOI: https://doi.org/10.20546/ijcmas.2017.605.068


Field Life-Tables and Key Mortality Factors of Plutella xylostella Infesting Sole and Onion Intercropped Cabbage
G. Aravindarajan1*, S.R. Dhandge1, T. Anandmurthy1 and J.E. Wandhekar2
1Department of Entomology, Junagadh Agricultural University, Junagadh, India
 2Department of Agricultural Entomology, College of Agriculture, Latur, Vasantrao Naik Marathwada Krishi Vidhyapeth, Parbhani, India
*Corresponding author
Abstract:

The present investigation was made to study the field life-tables and key mortality factors of Plutella xylostella infesting sole and onion intercropped cabbage. P. xylostella passed through 3 and 2 generations on sole and onion intercropped cabbage, respectively during rainy season 2011.On sole cabbage the highest mortality of early and late instar larvae of P. xylostella in first, second and third generations during rainy season 2011 was observed to be 33.90, 37.62 and 32.73 per cent due to Cotesia vestalis followed by unknown causes (10.10, 13.52 and 0.00 per cent).While in onion intercropped cabbage, the highest mortality of early and late instar larvae of P. xylostella was observed to be 37.69 and 35.25 per cent due to Cotesia vestalis followed by unknown causes 14.62 and 8.10 per cent in first and second generations, respectively. Pupal mortality was observed to the extent of 6.08 and 13.61 per cent in first and second generations, respectively due to Tetrastichus sp. One generation of P. xylostella was reduced on onion intercropped cabbage as compared to sole crop of cabbage. During rainy seasons of 2011, the trend indices of P. xylostella were 0.52, 0.29 and 0.00 in first, second and third generations, respectively on sole cabbage and 0.42 and 0.00 in first and second generations, respectively on onion intercropped cabbage.


Keywords: Plutellax ylostella, field life-tables, Key mortality factors, Cabbage, Onion
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How to cite this article:

Aravindarajan, G., S.R. Dhandge, T. Anandmurthy and Wandhekar, J.E. 2017. Field Life-Tables and Key Mortality Factors of Plutella xylostella Infesting Sole and Onion Intercropped CabbageInt.J.Curr.Microbiol.App.Sci. 6(5): 591-602. doi: https://doi.org/10.20546/ijcmas.2017.605.068