园艺作物营养学。

土壤肥料学，植物营养学。

主持两项福建省自然科学基金面上项目。

Dehua Liao^＃, Chao Sun^＃, Haiyan Liang, Yang Wang, Xinxin Bian, Chaoqun Dong, Xufang Niu, Meina Yang, Guohua Xu, Aiqun Chen, Shuang Wu. (2022) SlSPX1-SlPHR complexes mediate the suppression of arbuscular mycorrhizal symbiosis by phosphate repletion in tomato. Plant Cell.  doi: 10.1093/plcell/koac212.

Dehua Liao^＃, Yangrong Cao^＃, Xun Sun, Catherine Espinoza, Cuong T. Nguyen,Yan Liang  andGary Stacey.(2017) Arabidopsis E3 Ubiquitin ligase PUB13 regulates chitin receptor LYK5 protein levels. New Phytologist. doi: 10.1111/nph.14472. 

Xiao Chen^＃,Dehua Liao^＃, Xiaofeng Yang, MinjieJi, Shuangshuang Wang, MianGu, Aiqun Chen, and Guohua Xu. (2017) Three cis-regulatory motifs, AuxRE, MYCRS1 and MYCRS2, are required for modulating theauxin- and mycorrhiza-responsive expression of a tomato GH3 gene. Plant & Cell Physiology. doi: 10.1093/pcp/pcx013.

Dehua Liao^＃, Xiao Chen^＃, Aiqun Chen, Huimin Wang, Jianjian Liu, Junli Liu,Shubin Sun, Guohua Xu. (2015) The Characterization Of Six Auxin-Induced Tomato GH3 Genes Uncovers A Member, SlGH3.4, Strongly Responsive To ArbuscularMycorrhizal Symbiosis. Plant & Cell Physiology.  doi: 10.1093/pcp/pcu212.