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DNA Barcoding for Identification of Sugarcane Borers in China
J- D Wang1, W- Z Wang2, Z- L Lin2
1National Engineering Research Center for Sugarcane, Fujian Agricultural and Forestry Univ, Fuzhou, Fujian, 350002, China. jdwang@fafu.edu.cn.
Neotropical Entomology
|October 2, 2017
Summary
DNA barcoding effectively distinguishes sugarcane borer species in China. This molecular method offers a reliable alternative to traditional identification, aiding pest management and biodiversity studies.
Area of Science:
- Entomology
- Molecular Biology
- Biodiversity Studies
Background:
- Sugarcane borers are significant agricultural pests, causing economic damage.
- Current identification relies on morphological traits, requiring specialized taxonomic expertise.
- Molecular methods like DNA barcoding offer a rapid and accurate alternative.
Purpose of the Study:
- To evaluate the efficacy of DNA barcoding for discriminating sugarcane borer species in China.
- To establish a molecular basis for accurate identification of these pests.
Main Methods:
- Partial cytochrome c oxidase subunit 1 (COI) gene sequences (709 bp) were analyzed.
- DNA sequences were obtained from six sugarcane borer species across China.
- Phylogenetic analysis using a neighbor-joining tree was performed.
Main Results:
- Low intraspecies genetic distance (<0.02) and high interspecies genetic distance (0.117–0.182) were observed.
- The neighbor-joining tree clearly separated all six studied sugarcane borer species.
- COI gene sequences demonstrated high barcoding resolution for species discrimination.
Conclusions:
- DNA barcoding is a highly effective tool for identifying sugarcane borer species in China.
- This study contributes to building a comprehensive DNA barcode library for sugarcane borers.
- Molecular identification facilitates pest management and conservation efforts.
