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Identification and phylogenetic analysis of fruit borer species of litchi using DNA barcode sequences

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Title Identification and phylogenetic analysis of fruit borer species of litchi using DNA barcode sequences
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Creator K. Srivastava
Jaipal S. Choudhary
R.K. Patel
P.V.R. Reddy
V. Nath
 
Subject Litchi chinensis
borer species
phylogenetic analysis
 
Description Not Available
Fruit borers are the major insect pests of litchi in humid orchard conditions at the time of fruit ripening in
Indian subcontinent. The major constraint faced in formulating any management strategies against the borer is
the difficulty in identification of the correct species. The litchi fruit borer has low intraspecific variation among
the existing borer populations. Molecular approaches have been used to identify various species. In the present study, partial cytochrome oxidase I (COI) sequences were used to understand the phylogenetic relationship
among borer complex, and assess their usefulness to identify and classify unknown borer species collected
from litchi orchards. All together, 150 specimens of litchi fruit borer from Bihar and Jharkhand were examined
and 2 morphologically similar moths of each genus were used for further analysis. Sequence analysis revealed
that the intraspecific and interspecific variations ranged from zero to 10.0% and 4.4 to 20.3%, respectively among fruit borer complex. The phylogenetic analysis showed that the borers specimen used in this study clustered in to distinct species-groups designated as Conopomorpha sinensis Bradley, C. litchiella Bradley, Cryptophlebia ombrodelta Lower and Gatesclarkeana spp. Higher intraspecific genetic variation was observed in Conopomorpha species complex as compared to Cryptophlebia species complex. Present study has clearly demonstrated that DNA barcoding is an efficient and accurate method for identification of coexists of borer complex infestation in litchi fruits. Hence, this approach can play important role in formulating viable pest management strategies.
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Date 2021-08-03T07:20:06Z
2021-08-03T07:20:06Z
2018-09-01
 
Type Research Paper
 
Identifier K. Srivastava, Jaipal S. Choudhary, R.K. Patel, P.V.R. Reddy and V. Nath, (2018). Identification and phylogenetic analysis of fruit borer species of litchi using DNA barcode sequences, Indian Journal of Horticulture, 75(3): 415-422.
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http://krishi.icar.gov.in/jspui/handle/123456789/52512
 
Language English
 
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Publisher Not Available