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Your search keyword '"Hu, Guan-fang"' showing total 11 results
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11 results on '"Hu, Guan-fang"'

5. Bioassay-guided isolation of two antifungal compounds from Magnolia officinalis, and the mechanism of action of honokiol

Author

Yan, Yin-Fang, primary, Yang, Cheng-Jie, additional, Shang, Xiao-Fei, additional, Zhao, Zhong-Min, additional, Liu, Ying-Qian, additional, Zhou, Rui, additional, Liu, Hua, additional, Wu, Tian-Lin, additional, Zhao, Wen-Bin, additional, Wang, Yu-Ling, additional, Hu, Guan-Fang, additional, Qin, Fang, additional, He, Ying-Hui, additional, Li, Hai-Xin, additional, and Du, Sha-Sha, additional

Published
2020
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7. Recent advances of powdery mildew in flax.

Author

WANG Wei, YE Chun-lei, CHEN Chen, HU Guan-fang, OU Qiao-ming, ZHANG Jian-ping, and LUO Jun-jie

Subjects
POWDERY mildew diseases, FLAX, GERMPLASM
Abstract

Powdery mildew is one of the main diseases in flax, due to climate warming on earth, the disease bursted and prevailed in the main cultivated areas occasionally, which severely disrupted the yield and quality of flax. This article summarized the progresses of powdery mildew in flax, the incidence characteristics and regularity of the disease, identification and selection of resistant germplasm resources, inheritance of resistance and resistant genes, control strategies for the disease. The problems in recent research were analyzed and suggestions were made, which could provide references for associated research. [ABSTRACT FROM AUTHOR]

Published
2019
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11. Design, synthesis and bioactivity evaluation of novel benzophenone hydrazone derivatives.

Author

Li, Wen‐Qun, Zhang, Zhi‐Jun, Nan, Xiang, Liu, Ying‐Qian, Hu, Guan‐Fang, Yu, Hai‐Tao, Zhao, Xiao‐Bo, Wu, Dan, and Yan, Li‐Ting

Subjects
CHEMICAL synthesis, BENZOPHENONES, HYDRAZONE derivatives, CHEMICAL derivatives, INSECTICIDES, BIOLOGICAL assay
Abstract

BACKGROUND Benzophenone hydrazone derivatives are among the most important classes of synthetic insecticides. In an effort to discover new molecules with good insecticidal/acaricidal activities, a series of novel benzophenone hydrazone N-acylated thiourea and urea derivatives was synthesized and bioassayed. RESULTS All of these compounds exhibited excellent bioactivities against T. cinnabarinus and B. brassicae, especially towards T. cinnabarinus with LC50 values ranging from 0.305 to 2.036 mmol L-1. Moreover, the acaricidal activities against T. cinnabarinus of compounds 8a-i, 12b-f and 12h were 2.5-5.5-fold that of parent molecule 3 based on the LC50 value. CONCLUSION Based on the observed bioactivities, the structure-activity relationship of these analogs was also discussed. Structure-activity relationships provided information that could direct further investigation on structure modification. Our studies indicated that benzophenone hydrazone N-acylated thiourea and urea derivatives could be used as potential lead compounds for developing novel acaricides and insecticides. © 2013 Society of Chemical Industry [ABSTRACT FROM AUTHOR]

Published
2014
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