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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 (2017)
[Effective from January 1, 2017]
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
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Index Copernicus ICV 2017: 100.00
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Int.J.Curr.Microbiol.App.Sci.2018.7(11): 3191-3200
DOI: https://doi.org/10.20546/ijcmas.2018.711.367


Biology and Morphometrics of Tomato Pinworm, Tuta absoluta (Meyrick) on Tomato
V. Abdul Rasheed1*, S.R. Koteswara Rao2, T. Ramesh Babu1, T. Murali Krishna3, B.V. Bhaskara Reddy4 and G. Mohan Naidu5
1Department of Entomology, S.V. Agricultural College, Tirupati, ANGRAU, India
2Adminstrative Office, ANGRAU, Lam, Guntur, India
3Krishi Vigyan Kendra (KVK), Kalyandurg, Ananthapuramu, India
4IFT, Regional Agricultural Research Station (RARS), Tirupati, India
5Department of Statistics and Computer Applications, S.V. Agricultural College, Tirupati
*Corresponding author
Abstract:

Studies on the biology and morphometrics of tomato pinworm, Tuta absoluta (Meyrick) were conducted at mean temperature (25±2°C) and relative humidity (75±2%) in Insectary, Department of Entomology, S.V. Agricultural College, Tirupati on tomato hybrid Sweakar-448. The development period of T. absoluta had four stages viz., egg, larva, pupa and adult. The duration of egg, first, second, third and fourth instar larvae was 4.14 + 0.35, 2.08 + 0.28, 2.75 + 0.65, 3.56 + 0.56 and 3.86 + 0.64 days, respectively. The average length and breadth of egg, first, second, third and fourth instar larvae were 0.48 + 0.05 and 0.27 + 0.07 mm, 1.51 + 0.07 and 0.19 + 0.02 mm, 2.66 + 0.04 and 0.39 + 0.12 mm, 4.22 + 0.06 and 0.64 + 0.03 mm and 7.59 + 0.09 and 1.15 + 0.04 mm, respectively. The total larval period of T. absoluta ranged from 10 to 14 days with a mean of 12.25 + 2.13 days. The pupal period lasted for 6 to 9 days with a mean of 7.81 + 0.75 days and length and breadth were 4.13 + 0.24 and 1.06 + 0.14 mm, respectively. Adult longevity on an average was 7.45 + 1.32 days in case of males whereas 14.75 + 1.16 days in case of females. The mean length and breadth of adults were 10.71 + 0.29 and 1.69 + 0.10 mm, respectively. The total development period of T. absoluta ranged from 22 to 27 days with a mean of 24.19 + 1.37 days. The fecundity of T. absoluta ranged from 143 to 218 with a mean of 170.70 + 19.60. The pre- oviposition, oviposition and post-oviposition periods of the female were ranged from 1 to 2, 4 to 8 and 2 to 4 days with a mean of 1.60 + 0.50, 6.20 + 1.51 and 2.55 + 0.60 days, respectively. The hatching per cent of T. absoluta eggs ranged from 78.10 to 91.60 with a mean of 86.15 + 3.48.


Keywords: Tomato pinworm, Tuta absoluta, Biology, Morphometrics
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How to cite this article:

Abdul Rasheed, V., S.R. Koteswara Rao, T. Ramesh Babu, T. Murali Krishna, B.V. Bhaskara Reddy and Mohan Naidu, G. 2018. Biology and Morphometrics of Tomato Pinworm, Tuta absoluta (Meyrick) on Tomato.Int.J.Curr.Microbiol.App.Sci. 7(11): 3191-3200. doi: https://doi.org/10.20546/ijcmas.2018.711.367