Mainly on germplasm innovation and effective utilization of tree peony, especially

• 1. Selection of oil tree peony germplasm resources and the molecular mechanisms   of fatty acid biosynthesis;
• 2. The whole-genome sequencing of tree peony;
• 3. Evolutionary mechanism of big genome and large chromosome, and chromosome size of tree peony;
• 4. Germplasm enhancement of Jiangnan tree peony;
• 5. Molecular mechanisms of Jiangnan tree peony color pattern development.

[1] Chengzhong Wang, Hanze Ma, Zhiping Song, Ji Yang, Jigang Han, Yonghong Hu, Zhaoyu Li.Seasonal dynamics of biomass allocation of Peaonia ostii 'Fengdan' and the effects of tree age and shading. Plant Science Journal. 2017, 35(6):892-901. (in Chinese)

[2] Jian Li. Selection and Validation of Reference Genes for Quantitative Real-Time PCR in Herbaceous Peony. Fenzi Zhiwu Yuzhong. 2017, (07): 2544-2549.

[3] Jian Li, Yonghong Hu.Establishment and Optimization of ISSR-PCR Reaction System of Oil Tree Peony. Fenzi Zhiwu Yuzhong. 2017, (08): 3129-3135. (in Chinese)

[4] Jie Qi, Xinying He, Yanan Xuan, Qinghua Liu, Yonghong Hu. Preliminary investigation on cross breeding of a new oil and ornamental tree peony of Paeonia ostii Fengdan. Guangdong Agricultural Sciences. 2017, 44(03): 67-74. (in Chinese)

[5] Gengyun Li, Ying Deng, Yupeng Geng, Chengchuan Zhou, Yuguo Wang, Wenju Zhang, Zhiping Song, Lexuan Gao, Ji Yang. Differentially expressed microRNAs and target genes associated with plastic internode elongation in Alternanthera philoxeroide in contrasting hydrological habitats. Frontiers in Plant Science. 2017, 8：2078.

[6] Xinying He, Jie Qi, Yonghong Hu. Revealing mechanism of preliminary coloring in Paeonia suffruticosa 'Wulong Pengsheng' petals based on transcriptome comparison. Adavances in Ornamental Horticulture of China, 2017:724-732. (in Chinese)

[7]Yanli Hu, Junhui Yuan, Yonghong Hu. Effects of waterlogging and recovery on the photosynthetic characteristics and root activity of Paeonia ostii. Acta Bot. Boreal. -Occident. Sin. 2017, 37(8):1586-1594. (in Chinese)

[8]Yingyi Mao, Jigang Han, Fang Tian, Xue Tang, Yonghong Hu, Yan Guan. Chemical Composition Analysis, Sensory, and Feasibility Study of Tree Peony Seed. Journal of Food Science. 2017, 82(2): 553-561.

[9] Zhiqiang Zheng, Jigang Han, Yingyi Mao, Xue Tang, Yan Guan, Yonghong Hu. Health Benefits of Dietary Tree Peony Seed Oil in a High Fat Diet Hamster Model. Functional Foods in Health and Disease. 2017, 7(2): 135-148.

[10] Jian Li, Jigang Han, Yonghong Hu, Ji Yang. Selection of Reference Genes for Quantitative Real-Time PCR during Flower Development in Tree Peony (Paeonia suffruticosa Andr.). Frontiers in Plant Science. 2016, 7: 516.

[11] Jigang Han, Zhao Liu, Xiaoqing Li, Jian Li, Yonghong Hu. Diversity in seed oil content and fatty acid composition in three tree peony species with potential as sources of omega-3 fatty acids. The Journal of Horticultural Science and Biotechnology. 2016, 9: 175-179.

[12] Lexuan Gao, Hongxing Yang, Hongfeng Liu, Ji Yang, Yonghong Hu. Extensive Transcriptome Changes Underlying the Flower Color Intensity Variation in Paeonia ostii. Frontiers in Plant Science. 2016, 6: 1205.

[13] Linjuan Zhang, Junhui Yuan, Shuiyan Yu, Yonghong Hu. The Initial Research on Approach of Quickly Capture Meiosis Period and Observation of Meiosis Process of Pollen Mother Cell in Paeonia ostii . Northern Horticulture. 2016, (11): 100-105. (in Chinese) [14] Shuiyan Yu, Shaobo Du, Junhui Yuan, Yonghong Hu. Fatty acid profile in the seeds and seed tissues of Paeonia L. species as new oil plant resources. Scientific Reports. 2016, 6: 26944.

[15] Zhu Zhu, Luoyan Zhang, Lexuan Gao, Shaoqing Tang, Yao Zhao, Ji Yang. Local habitat condition rather than geographic distance determines the genetic structure of Tamarix chinensis populations in Yellow River Delta, China. Tree Genetics & Genomes. 2016, 12(1):14.

[16] Honhfeng Liu, Lexuan Gao, Yonghong Hu. Reference Genes Discovery and Selection for Quantitative Real- time PCR in Tree Peony Seed and Petal Tissue of Different Development Stages. Journal of Agricultural Biotechnology. 2015, (12): 1639-1648. (in Chinese)

[17] Lanpeng Ma, Junhui Yuan, Songlin He, Yonghong Hu. Characterizations of Three Endogenous Hormones During Seed Germination in Paeonia ostii. Henan Science. 2015, (03): 374-379. (in Chinese)

[18] Lexuan Gao. Comparisons of morphological variation and cellular osmotic potential adjustment between invasive species Alternanthera philoxeroides and its native congerner A. sessilis under different water treatments. Plant Science Journal. 2015, (02): 195-202 (in Chinese)

[19] Lexuan Gao, Yupeng Geng, Hongxing Yang, Yonghong Hu, Ji Yang. Gene Expression Reaction Norms Unravel the Molecular and Cellular Processes Underpinning the Plastic Phenotypes of Alternanthera Philoxeroides in Contrasting Hydrological Conditions. Frontiers in Plant Science. 2015, 6: 991.

[20] Jigang Han, Xiaoqing Li, Zhao Liu, Yonghong Hu. Potential applications of tree peony as an oil plant. Cereals & Oil. 2014, (05): 21-25. (in Chinese)

[21] Yanan Xuan, Yonghong Hu, Xin Li, Yulin Du, Yongqing Yan. Comparative Study on Different Provenance oil Use and Ornamental Tree Peony Pollen Ultrastructure. Northern Horticulture. 2015, (15): 99-103. (in Chinese)

[22] Zhao Liu, JiGang Han, Xiaoqing Li, Jian Li, Xue Tang, Lexuan Gao, Junhui Yuan, Ying Zhang, Yonghong Hu. Accumulation rules of fatty acids in Paeonia ostii seed during development. Nonwood Forest Research. 2015, (04): 75-80. (in Chinese)

[23] Jian Li, Yonghong Hu, Jun Qin, Jigang Han, Zhao Liu, lidong Pu, Shucheng Feng. Optimization of SRAP-PCR Reaction System of Paeonia ostii. Fenzi Zhiwu Yuzhong. 2014, (12): 1001-1007. (in Chinese)

[24] Junhui Yuan. Genetic structure of wild Paeonia rockii impacted by environmental and ecological factors. Guangdong Agricultural Sciences. 2014, (07): 48-52. (in Chinese)

[25]Jun-Hui Yuan, Amandine Cornille, Tatiana Giraud, Fang-Yun Cheng, Yong-Hong Hu. Independent domestications of cultivated tree peonies from different wild peony species. Molecular Ecology. 2014, 23(1): 82-95.

[26] Xiaoqing Li, Jigang Han, Zhao Liu, Qinghua Liu, Yonghong Hu. Economic characteristics investigation and seed oil fatty acid composition analysis of paeonia ostii plants in different areas. Cereals & Oil. 2014, (04): 43-46. (in Chinese)