Genetic Variation of Geographical Indication Plant, Nan Golden Orange for Conservation and Genetic Management

Authors

  • Chaowalee Jaisuk Faculty of Science and Agricultural Technology, Rajamangala University of Technology Lanna Nan Campus
  • Supawadee Sriyam Faculty of Science and Agricultural Technology, Rajamangala University of Technology Lanna Nan Campus
  • Panupong Sitiwut Faculty of Science and Agricultural Technology, Rajamangala University of Technology Lanna Nan Campus
  • Apiraya Thepsukhon Faculty of Science and Agricultural Technology, Rajamangala University of Technology Lanna Nan Campus, Nan
  • Pramoth Timkhum Faculty of Science and Agricultural Technology, Rajamangala University of Technology Lanna Nan Campus
  • Patchara Nithirojpakdee Faculty of Argo-Industrial Technology, Rajamangala University of Technology Tawan-Ok Chanthaburi Campus Chanthaburi

Keywords:

genetic variation, geographical indication, Nan Golden Orange, Citrus reticulate

Abstract

Nan Golden Orange is a geographic indication plant of Nan province. It is also an important economic crop. Having information on the genetic variation of Nan Golden Orange will be of conservation benefit and genetic management, valuable to plan more proficient breeding programs. The genetic variation was evaluated from 5 groups of Nan Golden Orange leaflets (30 samples in each group), which were collected from 1. original Nan Golden Orange propagate vegetatively (G1) 2. seed grown from original Nan Golden Orange (G2) 3. Nan Golden Orange farm (A) 4. Nan Golden Orange farm (B) 5. Nan Golden Orange farm (C). These samples were investigated by 5 microsatellite loci. The number of alleles per locus (A) ranged from 5.00-5.40, allelic richness (Ar) extended from 4.79-5.07 alleles, observed heterozygosity (Ho) ranged from 0.92-0.97, effective population size (Ne) was small in the sample B. The bottleneck was found in sample G2. Genetic differences (pairwise FST) were found in samples G1, G2, B, and C. Consistent with the dendrogram, sample G1 was different from other samples. The genetic distance was the highest between G1 and B (0.166). The genetic variations in the Nan Golden Orange were the result of management which demonstrated the importance of conservation and genetic management. Understanding good propagation practices for preserving genetic diversity will help maintaining the quality of the Nan Golden Orange in order to be conform with the quality of geographic indication.

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Published

2022-12-27

How to Cite

Jaisuk, C. ., Sriyam, S. ., Sitiwut, P. ., Thepsukhon, A. ., Timkhum, P. ., & Nithirojpakdee, P. . (2022). Genetic Variation of Geographical Indication Plant, Nan Golden Orange for Conservation and Genetic Management . Journal of Agricultural Research and Extension, 39(3), 100–110. retrieved from https://li01.tci-thaijo.org/index.php/MJUJN/article/view/249993

Issue

Vol. 39 No. 3 (2022): September – December 2022

Section

Research Article

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