承担国家自然科学基金、农业部油菜现代产业体系子项目、教育部新世纪优秀人才、陕西省科技攻关、陕西省自然科学基金项目、唐仲英育种基金、中央高校基本科研业务费、西北农林科技大学青年科研骨干计画等10余个项目。在油菜杂种优势利用原理与方法、黄籽油菜遗传和生理、特异种质资源的创製方面取得进展。首次验证通过抑制乙醯乳酸合成酶（Acetolactate Synthase）活性可以诱导植物雄性不育，筛选出多种适于蕓薹属、禾本科植物的新型、超高效化学杀雄剂如Tribenuron、Amidosulfuron、Imazethapyr等。发现并选育了373S、 Hy50S、SP2S等一批油菜光温敏雄性不育油菜、黄白双色花瓣变异991S、四室角果芥菜型黄籽油菜FV-08、芥菜型黄化突变体 L638-y、高亚麻酸油菜R8Q10等。发表学术论文40余篇，12篇为SCI收录，3篇为EI收录。获批国家发明专利8项。

主要论文

1. Liu XQ, Yu CY*, Dong JG, Hu SW, Xu AX. Acetolactate synthase-inhibiting gametocide amidosulfuron causes chloroplast destruction, tissue autophagy, and elevation of ethylene release in rapeseed. Frontiers in Plant Science. 2017,8:1625. DOI: 10.3389/fpls.2017.01625 (Q1,IF=4.291）
   
2. Liu XQ, Liu ZQ, Yu CY*, Dong JG, Hu SW, Xu AX. TGMS in rapeseed (Brassica napus) resulted in aberrant transcriptional regulation, asynchronous microsporocyte meiosis, defective tapetum, and fused sexine. Frontiers in Plant Science. 2017,8:1268. doi: 10.3389/fpls.2017.01268 (Q1,IF=4.291)）
   
3. Yu CY*, Dong JG, Hu SW, Xu AX. Exposure to trace amounts of sulfonylurea herbicide tribenuron-methyl causes male sterility in 17 species or subspecies of cruciferous plants. BMC Plant Biology,2017,17:95. doi: 10.1186/s12870-017-1019-1.(Q1,IF=3.964)
   
4. Liu XQ, Yu CY*, Dong JG, Xu AX, Hu SW. De novo transcriptome reconstruction of a thermo-sensitive male sterility mutant in rapeseed (Brassica napus). Applications in Plant Sciences 2017,5(12): 1700077 (Q2,IF=1.492)
   
5. Zhang J, Liu Z, Liu X, Dong J, Pang H, Yu C*. Proteomic alteration of a thermo-sensitive male sterility SP2S in rapeseed (Brassica napus) in response to mild temperature stress. Plant Breeding, 2016,135(2):191-199 (Q2,IF=1.598)
   
6. Yu C*, Xu X, Ge J, Guo Y, Dong J, Dong Z. Premature breakdown of tapetum associated with reverse thermo-sensitive genic male-sterile line Huiyou50S in rapeseed (Brassica napus). Acta Physiologiae Plantarum, 2016, 38(2):1-10. DOI: 10.1007/s11738-015-2039-9 (Q2, IF=1.563)
   
7. Yu C, Guo Y, Ge J, Hu Y, Dong J, Dong Z. Characterization of a new temperature sensitive male sterile line SP2S in rapeseed (Brassica napus L.). Euphytica, 2015,206 (2) :473-485(Q1, IF=1.618)
   
8. Yu Chengyu. Molecular mechanism of manipulating seed coat coloration in oilseed Brassica species. Journal of Applied Genetics, 2013,54(2):135-145(Q4,IF=1.847)
   
9. Yu CY, Dong JG, Hu SW, He PR. Efficiency of a novel gametocide amidosulfuron on rapeseed (Brassica napus). Plant Breeding, 2009, ,128(5):538-540（IF=1.28）
   
10. Yu C, Hu S, He P, Sun G, Zhang C, Yu Y. Inducing male sterility in Brassica napus L. by a sulfonylurea herbicide, tribenuron-methyl. Plant Breeding, 2006, 125(1):61-64（IF=0.941）
    
11. Yu CY, Hu SW*, Zhao HX, Guo AG, Sun GL. Genetic distances revealed by morphological characters, isozymes, proteins and RAPD markers and their relationships with hybrid performance in oilseed rape (Brassica napus L.). Theoretical & Applied Genetics, 2005,110(3):511-518（IF=2.981）
    
12. Yu C, Leisova L, Kucera V, Vyvadilova M, Ovesna J, Hu S*, Dotlacil L*. Using fluorescent-based AFLP to analyze genetic diversity of yellow-seeded Brassica napus L. The 2nd ICBBE, 2008: 714- 717 (EI)
    
13. Yu Chengyu, Dong Jungang. Sequence characters of orthologs of transparent testa 10 laccase-like gene in Brassica. The 2nd ICBBE，2008: 125-128 (EI)
    
14. Hu SW, Yu CY, Zhao HX, et al. Genetic Diversity of Brassica napus germplasm from China and Europe assessed by some agronomically important characters. Euphytica, 2007, 154:9-16
    
15. Hu SW, Fan YF, Zhao HX, Guo XL, Yu CY, Sun GL, Liu SY, Wang HZ* (2006) Analysis of MS2Bnap genomic DNA homologous to MS2 gene from Arabidopsis thaliana in two dominant digenic male sterile accessions of oilseed rape (Brassica napus L.). Theoretical & Applied Genetics, 113:397-406
    
16. Yu C, Vyvadilova M. Leisova L, Ovesna J,Kucera V, Hu S, Dotlacil L. Assessment of genetic diversity of yellow-seeded rapeseed (Brassica napus L.) accessions by AFLP markers. Czech Journal of Genetics & Plant Breeding, 2007,43(3): 105–112
    
17. Yu C, Hu S, Kucera V, Vyvadilova M, Kelima M. Evaluation the variations among yellow-seeded rapeseed (Brassica napus) accessions with different origins. Brassica, 2006,8(1-4):111-116
    
18. Yu C, Hu S, Discrimination of two dominant inheritance model of yellow-seededness of Brassica napus. Brassica,2006,8(1-4):19-22
    
19. 于澄宇，何蓓如. 胺基酸合成抑制剂类除草剂诱导油菜雄性不育效果评价. 作物学报 2014, 40(2): 264−272
    
20. 李晓荣，张菁雯，赵燕妮，徐献锋,胡玉梅,于澄宇*. 油菜品种及高油育种材料遗传多样性SSR分析. 西北植物学报，2015，35(2):258-268.
    
21. 赵燕妮，李晓荣，张菁雯，于澄宇*.甘蓝型黄籽油菜遗传分类及遗传多样性研究. 中国农学通报，2015,31(15):156-164.
    
22. 张菁雯，李晓荣，赵燕妮，胡玉梅, 徐献锋,于澄宇*. 甘蓝型油菜温敏核不育系SP2S花蕾总蛋白质双向电泳体系的建立及套用. 植物生理学报, 2014,50(10): 1601-1607.
    
23. 胡玉梅，徐献锋,于澄宇等.甘蓝型油菜温敏核不育系SP2S小孢子释放过程相关基因的表达分析.华北农学报2014, 29(2): 38-44
    
24. 徐献锋,胡玉梅，于澄宇等.甘蓝型油菜反型温敏核不育Huiyou50S的生理特徵及遗传分析.华北农学报2014, 29(3): 147-152
    
25. 葛娟,郭英芬,于澄宇*, 张国云, 董军刚, 董振生*. 甘蓝型油菜光、温敏雄性不育系Huiyou50S花粉败育的细胞学观察.作物学报,2012, 38(3): 541~548
    
26. 郭英芬, 葛娟, 于澄宇*, 张国云, 董军刚, 董振生*. 新型甘蓝型油菜温敏核不育系SP2S的花葯发育解剖学观察.植物生理学报,2012,48(3):282~288
    
27. 于澄宇,何蓓如. 植物乙醯乳酸合成酶抑制剂作用方式及机理研究进展. 农药学学报，2011,13(3):221-227
    
28. 于澄宇，胡胜武，张春宏, 俞延军, 何蓓如. 化学杂交剂EXP对油菜的杀雄效果. 作物学报，2005,31(11):1455-1459