The Genetic Structure of Nilaparvata lugens (Stal.) in Java Populations

  • Ruth Martha Winnie Department of Plant Protection, Faculty of Agriculture, Bogor Agriculture of University, Bogor
  • Rika Raffiudin Department of Biology, Faculty of Mathematics and Natural Sciences, Bogor Agriculture of University, Bogor
  • I Nyoman Widiarta Indonesian Agency for Agricultural Research and Development, Ministry of Agriculture, Bogor
  • Aunu Rauf Department of Plant Protection, Faculty of Agriculture, Bogor Agriculture of University, Bogor
DOI: https://doi.org/10.4308/hjb.27.4.330

Abstract

The brown planthopper Nilaparvata lugens (Stal.) causes hopperburn in the rice field. The wing macropterous adults of this insect have capability for long distance flight. We aimed to analyze the genetic structure of six N. lugens populations in Java inferred from the combined COI-COII mitochondrial and ten loci of microsatellites markers. This study found low levels of nucleotides and high levels of haplotype diversity of the planthopper. The demographic test might indicate the genetic bottleneck history of N. lugens population in Java. The genetic diversity analyzed by using microsatellite markers also showed high levels of heterozygosity (Ho>He) that indicated an isolated-breaking effect in the six populations in Java. Moreover, we found a homogenous genetic structure of N. lugens based on pairwise fixation indices (Fst) analyzes that appears to be maintained by high levels of gene flow and showed no correlation between genetic and geographical distance. Importantly, these studies also support accurate information of widely distributed and genetically intermixed among N. lugens across Asia populations. Thus, our results support the theory of long-distance migration among N. lugenspopulations. The genetic structure information of N. lugens in Java could support regional management, such as the new controlling strategies based on forecasting systems.

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Published
2020-10-01
Issue
Vol. 27 No. 4 (2020): October 2020
Section
Articles

Copyright (c) 2020 Ruth Martha Winnie, Rika Raffiudin, I Nyoman Widiarta, Aunu Rauf

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