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Brief Job Description

Jeng-Der Chung

  • Position：Reseacher & Chief
Research interests / job descriptionTree flowering physiology, Plant hormone analysis, Tree genetics and breeding, Special compound analysis of tree.
EducationPh.D.Department of Forestry, National Taiwan University, Taiwan. (2001)
M.S. Department of Forestry, National Taiwan University, Taiwan. (1992)
B.S. Department of Forestry, National Ping-tung Hsing University, Taiwan. (1984)
Experience2023.08~ Researcher and Chief, Taiwan Forestry Research Institute, MOA.
2022~2023.07 Researcher & Chief of silviculture division, Taiwan Forestry Research Institute, COA.
2019~ 2021 Researcher, Taiwan Forestry Research Institute, COA.
2001~2019 Associate Researcher, Taiwan Forestry Research Institute, COA.
1995~2001 Assistant Researcher, Taiwan Forestry Research Institute, COA.
1986~1995 Assistant, Taiwan Forestry Research Institute, COA.
TEL886-02-23039978 ext 2011
Emailchung@tfri.gov.tw
  1. Hsiang EH, Liao YS, Chen JY, Chen YC, Wang HL, Chang CL, Chung JD. (2023). Changes in Sugars in Organs of Phalaenopsis Florets during Different Flowering Stages of Intact Plant Inflorescences. J Hortic Sci 70(5): (SCI).
  2. Ma MH, Batsaikhan E, Wu CM, Chung JD, Chien CT, Tsai YH, Li WH. 2023. Structural forms of hormone auxins in Madeira vines. J Chin Chem Soc. 70(5):1200-1207 (SCI)
  3. Pan LY, Chung JD, Matsuo K, Tung GS. (2023). Examination of gall features of an underscribed Ophelimus sp. gall wasp and host susceptibility of various Eucalyptus host species and hybrid strains in Taiwan. Taiwan J For Sci 38(2): 79-99 (EI).
  4. Chen YC, Tsai JB, Chen ZZ, Chung JD *. (2022). Characterization of transgenic Eucalyptus camaldulensis carrying the Populus tremuloides coniferaldehyde 5-hydroxylase gene. Taiwan J For Sci 37(1):61-76. * corresponding author
  5. Cao JJ, Li YS, Chang CT , Chung JD, Hwang SY. (2022). Adaptive Divergence without Distinct Species Relationships Indicate Early Stage Ecological Speciation in Species of the Rhododendron pseudochrysanthum Complex Endemic to Taiwan. Plants 11:1226. (SCI).
  6. Hsieh YC, Chang CT, Chung JD, Hwang SY. (2020). Demographic history and adaptive synonymous and nonsynonymous variants of nuclear genes in Rhododendron oldhamii (Ericaceae). Scientific Reports , 10:16658. (SCI).
  7. Tsai CC, Hung LF, Chung JD, Kao WY, Kuo-Huang LL. (2020). Regulation of tree crown phenology and fruit set of Cinnamomum kanehirae Hayata, an endangered evergreen tree in Taiwan. Taiwania , 65(1): 15-26. (SCI).
  8. Liu YC, Yeh CW, Chung JD, Tsai CY, Chiou CY, Yeh KW. (2019). Petal-specific RNAi-mediated silencing of the phytoene synthase gene reduces xanthophyll levels to generate new Oncidium orchid varieties with white-colour blooms. Plant Biotechnology Journal, 17:2035-7. (SCI).
  9. Li YS, Shih KM, Chang CT, Chung JD, Hwang SY. (2019). Testing the Effect of Mountain Ranges as a Physical Barrier to Current Gene Flow and Environmentally Dependent Adaptive Divergence in Cunninghamia konishii (Cupressaceae). Frontiers in Genetics, 10:742. (SCI).
  10. Tsao NW, Pan SH, Chung JD, Kuo YH, Wang SY, Sun YH. (2019). Accessing the natural variation of the abundances of major lignans in the heartwood of Taiwania cryptomerioides by 1H-NMR and LC-MS profiling. Holzforschung, 73(5):423-34. (SCI).
  11. Chung JD, Chien CT, Chen CF, Chen CF, Lin TT. (2019). Propagation and growth of Amentotaxus formosana by stem cutting, air-layering, and seeds. Taiwan J For Sci 34(3):155-68.
  12. Wu JC, Chen PY, Liao YK, Yu HM, Chung JD, Chen SY, Liu CP. (2019). Seed storage, stem-cutting propagation and quantitative analysis of scopoletin for Noni (Morinda citrifolia). Q J of Chinese For 52(1):63-75.
  13. Wu WZ, Tu Cwei, Yang WJ, Wang HL, Chang CL, Chung JD, Lu MK, Liao WT. (2018). Comparative study on the physicochemical and functional properties of the mucilage in the carpel of Nymphaea odorata using ultrasonic and classical heating extractions. International Journal of Biological Macromolecules, 117(1):1367-73. (SCI).
  14. Li YS, Chang CT, Wang CN, Thomas P, Chung JD, Hwang SY. (2018). The Contribution of Neutral and Environmentally Dependent Processes in Driving Population and Lineage Divergence in Taiwania (Taiwania cryptomerioides). Frontiers in Plant Science, 9:1148. (SCI).
  15. Tsai CC, Hung LF, Chung JD, Chen SJ, Chien CD, Kao WY, Kuo-Huang LL. (2018). Radial growth of Cinnamomum kanehirae Hayata displays a larger temperature sensitivity in dominant than co-dominant trees. Annals of Forest Science, 75:52. (SCI).
  16. Shih KM, Chang CT, Chung JD, Chiang YC, Hwang SY. (2018). Adaptive Genetic Divergence Despite Significant Isolation by Distance in Populations of Taiwan Cowtail Fir (Keteleeria davidiana var. formosana). Frontiers in plant science, 9:92. (SCI).
  17. Chung JD, Kuo SR, Chien CT. 2018. Changes in contents of plant hormones in bud tips and xylem sap of GA3-treated Calocedrus formosana trees. Taiwan J For Sci 33(4):305-17.
  18. Huang CL, Chen JH, Chang CT, Chung JD, Liao PC, Wang JC, Hwang SY (2016). Disentangling the effects of isolation-by-distance and isolation-by environment on genetic differentiation among Rhododendron lineages in the subgenus Tsutsusi. Tree Genetics & Genomes, 12:53. (SCI).
  19. Chung JD, Hung SC, Chien CT. 2016. Effects of cross pollination on seed production and the inheritance of chloroplast DNA in Keteleeria davidiana var. formosana. Taiwan J For Sci 31(3):181-97.
  20. Lu CH, Liu YC, Hsu YT, Wang HL, Chung JD (2016). Enhancing flower stalk emergence in Phalaenopsis by red light supplementation. American Journal of Plant Science, 7:639-48.
  21. Swamy PS, Hu H, Pattathil S, Maloney VJ, Xiao H, Xue LJ, Chung JD, Johnson　VE, Yingying Zhu, Gary F. Peter, Michael G. Hahn, Shawn D. Mansfield, Scott A. Harding and Chung-Jui Tsai (2015). Tubulin perturbation leads to unexpected cell wall modifications and affects stomatal behaviour in Populus. Journal of Experimental Botany, 66(20):6507-18. (SCI).
  22. Huang CL,Chang CT, Huang BH, Chung JD, Chen JH, Chiang YC, Hwang SY (2015). Genetic relationships and ecological divergence in Salix species and populations in Taiwan. Tree Genetics & Genomes, 11: 39.
  23. Huang CL, Chen JH, Tsang MH, Chung JD, Chang CT, Hwang SY(2015). Influences of environmental and spatial factors on genetic and epigenetic variations in Rhododendron oldhamii (Ericaceae). Tree Genetics & Genomes, 11:823.
  24. Lin Y,Kao YY,Chen ZZ,Chu FH,Chung JD* (2014). cDNA cloning and molecular characterization of five cellulose synthase A genes from Eucalyptus camaldulensis. J. Plant Biochem. Biotechnol., 23(2):199-210. * corresponding author
  25. Chia-Ying Chen,Bo-Kai Liang,Jeng-Der Chung,Chung-Te Chang,Yi-Chiang Hsieh,Teng-Chiu Lin,Shih-Ying Hwang (2014). Demography of the upward-shifting temperate woody species of the Rhododendron pseudochrysanthum complex and ecologically relevant adaptive divergence in its trailing edge populations. Tree Genetics & Genomes, 10:111-126.
  26. Jeng-Der Chung, Chih-Ming Chiu, Gordon Nigh, Ching-Te Chien, and Cheng C.Ying (2013). Genetic Variation in Wood Property and,Growth of Taiwania (Taiwania cryptomerioides Hayata. Silvae Genetica , 62(6):265-276-126.
  27. Jing-Yu Fang, Jeng-Der Chung, Yu-Chung Chiang, Chung-Te Chang, Chia-Ying Chen, Shih- Ying Hwang (2013). Divergent Selection and Local Adaptation in Disjunct Populations of an Endangered Conifer, Keteleeria davidiana var. formosana (Pinaceae). PLOS ONE, 8(7):e70162.
  28. Hsiehl YC, Chung JD, Wang CN, Chang CT, Chen CY, Hwang SY (2012). Historical connectivity, contemporary isolation, and local adaptation in a widespread but discontinuously distributed species, Rhododendron oldhamii,endemic to Taiwan. Heredity, 111:147-156. (SCI).
  29. Chien CT, Chen SY, Chang SH, Chung JD (2012). Seed germination and storage of Cycas taitungensis(Cycadaceae) . Taiwan J For Sci, 27(1):1-11. (EI).
  30. Jeng-Der Chung, Gordon Nigh, Ching-Te Chien, Cheng C. Ying (2011).Genetic Variation and Tree Improvement of Konishii fir (Cunninghamia lanceolata (Lamb.) Hook. var. Konishii) in Taiwan. Silvae Genetica, 60(5):196-205. (SCI). NSC 95-2811-B-054-002.
  31. Liao PC, Lin TP, Lan WC, Chung JD, Hwang SY. 2010. Duplication of the class I cytosolic small heat shock protein gene and potential functional divergence revealed by sequence variations flanking the a-crystallin domain in the genus Rhododendron (Ericaceae).   Annals of Botany 105:57-69(SCI)
  32. Chung JD, Lin TP, Cheng YP, Hwang SY. 2010. Geographical variation and differential selection modes of paralogs of chloroplast small heat shock protein genes in Machilus kusanoi Botanical Studies 50(1):27-36. (SCI)
  33. Sung TH, Yu TJ, Hsu LS, Chung JD, Chang ST, Chang HT. 2009. Evaluation of antioxidant activity of Calocedrus macrolepis var. formosana leaf extract. Q J of Chinese For 42(4):623-31
  34. Yuan Y, Chung JD, Fu X, Johnson V, Ranjan P, Booth SL, Harding SA, Tsai CJ. 2009. Alternative splicing and gene duplication differentially shaped the regulation of isochorismate synthase in Populus and Arabidopsis. Proceedings of the National Academy of Sciences 106(51):22020-22025 (SCI)
  35. Chung JD, Chien CT, Nigh G, Ying CC. 2009. Genetic Variation in Growth Curve Parameters of Konishii fir (Cunninghamia lanceolata (Lamb.) Hook.var.konishii).  Silvae Gentica 58(1-2):1-10. (SCI)
  36. Chung JD, Chen ZZ, Tsai JB, Hsieh CJ, Li YJ. 2007. Promotion of flower induction in transgenic Eucalyptus camadulensis trees by paclobutrazol. Taiwan J For Sci 22(4):455-67.
  37. Chen SY , Chien CT, Chung JD, Yang YS, Kuo SR. 2007. Dormancy-break and germination in seeds of Prunus campanulata (Rosaceae): role of covering layers and changes in concentration of abscisic acid and gibberellins. Seed Sci Res 17:21-32. (SCI)
  38. Chung JD, Lin TP, Chen YL, Cheng YP, Hwang SY. 2007. Phylogeographic study reveals the origin and evolutionary history of a Rhododendron species complex in Taiwan. Molecular phylogenetics and Evolution 42:14-24. (SCI)
  39. Chien CT, Chen SY, Chang SH, Chung JD. 2006. Dormancy and germination in seeds of the medicinal Asian tree species Phellodendron amurense var. wilsonii (Rutaceae). Seed Sci & Technol 34: 561-71. (SCI).
  40. Ko, CH, Chang HT, Su YC, Chung JD, Kuo SR, Chang ST. 2006. Composition and chemical polymorphism of leaf essential oils from Calocedrus macrolepis var. formosana. Q J of Chinese For 39(2):247-56
  41. Wu SH, Hwang CY, Lin TP, Chung JD, Cheng YP, Hwang SY. 2006. Contrasting phylogeographical patterns of two closely related species, Machilus thunbergii and Machilus kusanoi (Lauraceae), in Taiwan. Journal of Biogeography 33:936-47 (SCI)
  42. Chung JD, Kuo SR. 2005. Reproductive cycles of Calocedrus formosana. Taiwan J For Sci 20(4):315-29.
  43. Chung JD, Kuo SR. 2004. Characterization of growth, cone production and seed yield in a Taiwania cryptomerioides clonal seed orchard in Tsuyunshan, Taiwan. Taiwan J For Sci 19(4):275-86.
  44. Chung JD, Lin TP, Tan YC, Lin MY, Hwang SY. 2004 Genetic diversity and biogeography of Cunninghamia konishii (Cupressaceae) , an island species in Taiwan: a comparison with Cunninghamia lanceolata , a mainland species in China. Molecular Phylogenetics and Evolution 33(3):791-801.(SCI)
  45. Hwang SY, Lin TP, Ma CS, Lin CL, Chung JD, Yang JC. 2003 Postglacial population growth of Cunninghamia konishii (Cupressaceae) inferred from phylogeographic and mismatch analysis of chloroplast DNA variation Molecular Ecology12(10):2689-95.(SCI)
  46. Wang HL, Chung JD, Yeh KW. 2003. Changes of carbohydrate and free amino acid pools in current pseudobulb of Oncidium ‘Gower Ramsey’ during inflorescence development.   J of the Agri Ass of China 4(5):476-88.
  47. Chung JD, Kuo SR, Chien CT. 2003. Identification and quantification of gibberellin transformation and dosage changes in good and poor flowering clones of Calocedrus formosana grafts. Taiwan J For Sci 18(4):387-400.
  48. Chung JD, Kuo SR. 2002. Effect of gibberellin A3 t reatment on flowering response of different clones of Calocedrus formosana grafts. Taiwan J For Sci 17(4 ):451-61.
  49. Chung JD, Kuo SR, Yang JC. 2001. Effect of gibberellin A3 t reatment on flowering response of different clones of Calocedrus formosana grafts. Taiwan J For Sci 17(4 ):451-61.
  50. Chung JD, Kuo SR. 2001. Preliminayr results of flowering promotion and seedling in restablished clonal seed orchards of Calocedrus formosana Taiwan J For Sci 16(3):181-96.
  51. Yang JC, Tsay JY, Chung JD, Chen ZZ. 2000. Multiple shoot proliferation and plantlet establishment in shoot tip and nodal culture of Taiwan sassafras (Sassafras randaiense Hay.). Taiwan J For Sci 15(1):31-9.
  52. Chung JD, Kuo SR. 2000. Effect of cultural practices and gibberellin A3 on flowering of Calocedrus formosana (Florin) grafts Taiwan J For Sci 15(4):483-96.
  53. Yang JC, Chung JD. 1999. Preliminary study on hybridity among Cunninghamia lanceolata, Cunninghamia konishii, Cryptomeria japonica, and Taiwania cryptomerioides. Taiwan J For Sci 14(4):437-46.
  54. Yang JC, Chung JD, Ho CK, Chen ZZ. 1997. Hybrids of Paulownia kawakamii x P. fortunei with witches’ broom tolerance and their identification using isozyme analysis. Taiwan J For Sci 12(4):467-74.
  55. Chen ZZ, Tsay JY, Chung JD,. 1996. Callus culture of Eucalyptus grandis x urophylla and preliminary studies on organogenesis and Agrobacterium -mediated transformation. Taiwan J For Sci 11(1):43-52.
  56. Yang JC, Chung JD, Chen ZZ. 1995. Vegetative propagation of adult Eucalyptus grandis x urophylla and comparison of growth between micropropagated plantlets and rooted cuttings. Plant Cell Reports 15:170-3.
  57. Chen ZZ, Tsay JY, Chung JD,. 1995. Shoot regeneration from internode and petiole of plantlets multiplied from mature Eucalyptus grandis x urophylla. Bull Taiwan For Res Inst New Series 10(1):1-7.
  58. Chung JD, Kuo SR, Wang WY, Yang JC. 1995. Effect of Rhizobium sources and coinoculation with mycorrhizal of tissue-cultured plantlets of Acacia mangium x auriculiformis hybrid Bull Taiwan For Res Instl New Series 10(2):161-73
  59. Yang JC, Tsay JY, Chung JD, Chen ZZ. 1993. In vitro clonal propagation and cell suspension culture of Gmelina aborea R. Bull Taiwan For Res Inst New Series 8(1):1-9.
  60. Ho, CK, Chung JD, Chang SH, Huang FH, Yang JC. 1993. Pollen cone development and anther culture in Paulownia taiwaniana. Bull Taiwan For Res Instl New Series 8(2):99-108
  61. Chung JD, Kuo SR, Wang WY, Yang JC. 1993. Physiological characteristics of Rhizobium strains isolated from Acacia species Bull Taiwan For Res Instl New Series 8(3):229-38
  62. Chung JD, Hsui YR, Chang TY, Yang JC. 1990. Provenance variation of tree height, DBH and volume in Acacia mangium at young ages. Q J of Chinese For 23(1):77-86
  63. Chung JD, Yang JC. 1988. Vegetative propagation of Gmelina arborea by rooted cuttings from juvenile tissues. Q J of Chinese For 21(4):33-37
  1. Chung JD, Tsai CB, Sun YS, Chen YC, Lin HC. (2020.09). Genetic variation in growth traits in Taiwania cryptomerioides open-pollinated progeny test and elite trees selection. Paper presented at the Conference 2020 Forest resources conservation and utilization,Taipei.
  1. The propagation technology of anti-galling pest (Leptocybe invasa) U49 clone of Eucalyptus.(2013).
  1. 2021 Technology Project, Study of seedlings production and siliviculture of high quality wood plantations PI 2021~2024  
  2. 2019 Entrusting Project, Esatablish the vegetative propagation of Eucalyptus and seedlings production system of Acacia confusa, Liquidambar formosana and Elaeocarpus sylvestris. PI 2019~2020
  3. 2019 Entrusting Project, Study of pollen collection and storage and controlled pollination in Acacia confusa PI 2019~2020
  4. 2018 Entrusting Project, The study of flower induction, controlled pollination and embryo development in Acaica confusa (II). PI 2018~2019
  5. 2017 Entrusting Project,  Study of flower induction, controlled pollination and embryo development in Acaica confusa (I). PI 2017~2018
  6. 2016 Entrusting Project, Study of embryo development and seed dormancy in Amentotaxus formosana(III) PI 2016~2017
  • Latest update date：2023-10-16
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Taiwan Forestry Research Institute
2024-05-07
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