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Start Over Author "Xu, Yihua" Publisher elsevier bv
47 results on '"Xu, Yihua"'

22. Synergistic effects of the combined application of Bacillus subtilis H158 and strobilurins for rice sheath blight control

Author

Ling Wang, Yuxuan Hou, Xu Yihua, Lu Li, Shiwen Huang, Lei Sun, Mengqi Liang, Jian Gao, and Lianmeng Liu

Subjects
0106 biological sciences, 0301 basic medicine, biology, food and beverages, Bacillus subtilis, biology.organism_classification, 01 natural sciences, Strobilurins, Rhizoctonia solani, Fungicide, 03 medical and health sciences, chemistry.chemical_compound, 030104 developmental biology, Sheath blight, chemistry, Agronomy, Azoxystrobin, Insect Science, Strobilurin, Paddy field, Agronomy and Crop Science, 010606 plant biology & botany
Abstract

Rice sheath blight, a major rice disease caused by Rhizoctonia solani, has become an increasingly serious problem in modern rice production systems. Managing this disease is a challenge, and chemical control with fungicides is currently the most effective and reliable method. Here, the combined application of a recognized biological agent, Bacillus subtilis strain H158, and strobilurins was tested for the ability to control rice sheath blight under laboratory, greenhouse, and paddy field conditions and achieved stronger control effects than strobilurins alone provided that the application rate of synthetic chemicals was not increased. Under culture conditions, B. subtilis H158 could tolerate high concentrations of strobilurins, and its growth was stimulated at low concentrations. The survival of H158 on rice leaves was not obviously inhibited by the strobilurins and was slightly stimulated at 10 days after application, especially when applied with trifloxystrobin. The combined application of H158 and strobilurins showed strong synergistic effects in the greenhouse and the field in two consecutive years. In these experiments, the combination of H158 and azoxystrobin showed the largest control effect, whereas H158 combined with trifloxystrobin displayed the strongest synergistic effect. B. subtilis H158 is compatible with strobilurins. The combined application of H158 and strobilurins effectively controlled rice sheath blight and showed strong synergistic effects. This combination could be an effective solution for rice sheath blight and an alternative to common chemical control methods to meet the growing demands to reduce chemical use in modern agriculture.

Published
2018

27. Effects of a HAPA-based multicomponent intervention to improve self-management precursors of older adults with tuberculosis: A community-based randomised controlled trial

Author

Chen, Yanshu, primary, Tan, Dixin, additional, Xu, Yihua, additional, Wang, Bin, additional, Li, Xuhui, additional, Cai, Xiaonan, additional, Li, Mengyu, additional, Tang, Cong, additional, Wu, Yun, additional, Shu, Wen, additional, Zhang, Guoliang, additional, Huang, Jiayu, additional, Zhang, Ying, additional, Yan, Yaqiong, additional, Liang, Xunchang, additional, and Yu, Songlin, additional

Published
2020
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28. TrkB agonistic antibodies superior to BDNF: Utility in treating motoneuron degeneration

Author

Guo, Wei, primary, Pang, Keliang, additional, Chen, Yanbo, additional, Wang, Shudan, additional, Li, Heng, additional, Xu, Yihua, additional, Han, Fang, additional, Yao, Hongyang, additional, Liu, Hang, additional, Lopes-Rodrigues, Vanessa, additional, Sun, Dang, additional, Shao, Jingyu, additional, Shen, Jianying, additional, Dou, Yang, additional, Zhang, Wen, additional, You, He, additional, Wu, Wutian, additional, and Lu, Bai, additional

Published
2019
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36. Ulcerative Colitis Treatment Patterns and Cost of Care

Author

Null, Kyle D., primary, Xu, Yihua, additional, Pasquale, Margaret K., additional, Su, Chinyu, additional, Marren, Amy, additional, Harnett, James, additional, Mardekian, Jack, additional, Manuchehri, Alireza, additional, and Healey, Paul, additional

Published
2017
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37. Fatty acids, tocopherols and proanthocyanidins in bramble seeds☆

Author

Xu Yihua, Chen Meixiang, Peng-Fei Tu, and Yuping Zhang

Subjects
chemistry.chemical_classification, Chemistry, Vitamin E, medicine.medical_treatment, Flavonoid, General Medicine, Analytical Chemistry, Proanthocyanidin, Polyphenol, Botany, medicine, Composition (visual arts), Tocopherol, Food science, Chemical composition, Food Science
Abstract

Studies were conducted on the fatty acids, tocopherols and proanthocyanidins in the seeds of 10 bramble varieties from China. The oil yields from these seeds vary from 4.81% to 15.72%. The main fatty acids in bramble seed oils are C18:2 n-6 (51.0–66.1%), C18:3 n-3 (9.70–35.6%), C18:1 n-9 (9.85–16.3%), and C16:0 (2.01–5.73%). The major tocopherol in all seed oils of 10 varieties was γ-tocopherol. The composition (mg/100 g) was as follows: α-tocopherol 7.65–52.6, γ-tocopherol 46.9–106, δ-tocopherol 3.1–9.50, and the active vitamin E 15.9–61.5 among the varieties. The total proanthocyanidin content varies from 6.81 to 17.6 mg/g. The main oligomers in total proanthocyanidins are dimers, and the least are trimers. The contents and composite proportions of fatty acids, tocopherols and proanthocyanidins are different according the varieties, which should be taken into account when the bramble seeds are exploited.

Published
2006

38. Study of an intelligent micro-manipulator

Author

Xu Yihua, Fei Renyuan, and Dezhong Liu

Subjects
Engineering, business.industry, Metals and Alloys, Control engineering, Workspace, Kinematics, Industrial and Manufacturing Engineering, Motion (physics), Computer Science Applications, Mechanism (engineering), Micro manipulator, Modeling and Simulation, Ceramics and Composites, Structure design, Hardware_CONTROLSTRUCTURESANDMICROPROGRAMMING, business, Simulation
Abstract

An intelligent micro-manipulator based on 3-PRS in-parallel mechanism was developed for the purpose of assembling micro-machines, operating biological cells, and performing micro-surgery. The micro-manipulator consists of a left finger and a right finger driven separately by three driving units. With such construction it can mimic the motion of Chinese chopsticks to manipulate a micro-object with a relatively large workspace and high precision. Presented here are the structure design method and the approach for kinematic analysis. The experimental setup for micro-manipulation is also discussed.

Published
2003

40. A novel hexad condensed chromium-containing tungstosilicate(I): Synthesis and characterization

Author

Peng Jun, Guo Yinhang, Xu Yihua, and Qu Lunyu

Subjects
Inorganic Chemistry, Polarography, Chromium, Crystallography, Chemistry, Materials Chemistry, chemistry.chemical_element, Physical and Theoretical Chemistry, Spectroscopy, Magnetic susceptibility, Powder diffraction, Characterization (materials science)
Abstract

A novel hexad condensed chromium-containing tungstosilicate, with the formula K20H[CrSi6W60O210H12] · nH2O, was synthesized and characterized by IR and UV-vis spectroscopy, polarography, X-ray powder diffraction and magnetic susceptibility. It has a molecular weight up to 17,000 and a structure different from those of any known heteropolyanions, such as the Keggin, Dawson and As4W40 structures.

Published
1995

42. Assessment of XPD Lys751Gln and XRCC1 T–77C polymorphisms in advanced non-small-cell lung cancer patients treated with platinum-based chemotherapy

Author

Liu, Li, primary, Yuan, Peng, additional, Wu, Chen, additional, Zhang, Xiaomin, additional, Wang, Feng, additional, Guo, Huan, additional, Zhong, Rong, additional, Xu, Yihua, additional, Wu, Jing, additional, Yu, Dianke, additional, Wu, Tangchun, additional, Zhang, Xuemei, additional, Nie, Shaofa, additional, Miao, Xiaoping, additional, and Lin, Dongxin, additional

Published
2011
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