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Plant Physiol Biochem

Title:		"2, 3-Butanediol activated disease-resistance of creeping bentgrass by inducing phytohormone and antioxidant responses"
Author(s):		Shi Y; Liu X; Fang Y; Tian Q; Jiang H; Ma H;
Address:		"College of Grassland Science, Gansu Agricultural University, Lanzhou, Gansu, 730070, PR China; Key Laboratory of Grassland Ecosystems, The Ministry of Education of China, Lanzhou, 730070, China; College of Forestry, Gansu Agricultural University, Lanzhou, Gansu, 730070, PR China. College of Grassland Science, Gansu Agricultural University, Lanzhou, Gansu, 730070, PR China; Key Laboratory of Grassland Ecosystems, The Ministry of Education of China, Lanzhou, 730070, China. College of Forestry, Gansu Agricultural University, Lanzhou, Gansu, 730070, PR China. College of Grassland Science, Gansu Agricultural University, Lanzhou, Gansu, 730070, PR China; Key Laboratory of Grassland Ecosystems, The Ministry of Education of China, Lanzhou, 730070, China; College of Life Science and Technology, Gansu Agricultural University, Lanzhou, Gansu, 730070, PR China. College of Grassland Science, Gansu Agricultural University, Lanzhou, Gansu, 730070, PR China; Key Laboratory of Grassland Ecosystems, The Ministry of Education of China, Lanzhou, 730070, China. Electronic address: mahl@gsau.edu.cn"
Journal Title:		Plant Physiol Biochem
Year:		2018
Volume:		20180615
Issue:
Page Number:		244 - 250
DOI:		10.1016/j.plaphy.2018.06.010
ISSN/ISBN:		1873-2690 (Electronic) 0981-9428 (Linking)
Abstract:		"Brown patch, caused by Rhizoctonia solani, is a serious disease in Agrostis stolonifera. 2, 3-butanediol (2, 3-BD) is the major component of volatile organic compounds and was found to initiate induced systemic resistance (ISR). To investigate the induced resistance mechanism of 2, 3-BD, we examined the effects of resistance by area affected, along with changes in the content of phytohormones (Zeatin (ZT), Abscisic Acid (ABA) and Indole-3-Acetic Acid (IAA)), the activities of three phenylpropanoid metabolic enzymes (Phenylalaninammo-Nialyase (PAL), Chalcone Isomerase (CHI) and 4-Coumarate:Coenzyme A Ligase (4CL)) and the level of secondary metabolites (total phenols, flavonoid and lignin). The result showed that 2, 3-BD treatment at 250?ª+mumoL/L had the best induction effect with the area affected decreased from 95% of the control to 55%. Compared to the controls, treatment with 250?ª+mumoL/L 2, 3-BD induced higher levels of PAL, CHI and 4CL activity and increased total phenols, flavonoid and lignin levels. While 2, 3-BD treatment decreased the content of ZT and ABA but increased the content of IAA compared to controls. This study provides a basis for elucidating the mechanism of 2, 3-BD as a new plant disease control agent"
Keywords:		Abscisic Acid/metabolism/physiology Agrostis/*drug effects/metabolism/microbiology Antioxidants/metabolism/*physiology Butylene Glycols/*pharmacology Disease Resistance/*drug effects/physiology Flavonoids/metabolism Indoleacetic Acids/metabolism Lignin/me;
Notes:		"MedlineShi, Yi Liu, Xinju Fang, Yuanyuan Tian, Qing Jiang, Hanyu Ma, Huiling eng France 2018/06/16 Plant Physiol Biochem. 2018 Aug; 129:244-250. doi: 10.1016/j.plaphy.2018.06.010. Epub 2018 Jun 15"