Evidence of phytohormones and phenolic acids variability in garden-waste-derived vermicompost leachate, a well-known plant growth stimulant

被引:56
作者
Aremu, Adeyemi O. [1 ]
Stirk, Wendy A. [1 ]
Kulkarni, Manoj G. [1 ]
Tarkowska, Danuse [2 ,3 ,4 ]
Tureckova, Veronika [2 ,3 ,4 ]
Gruz, Jiri [2 ,3 ,4 ]
Subrtova, Michaela [2 ,3 ,4 ]
Pencik, Ales [2 ,3 ,4 ]
Novak, Ondrej [2 ,3 ,4 ]
Dolezal, Karel [2 ,3 ,4 ]
Strnad, Miroslav [2 ,3 ,4 ]
Van Staden, Johannes [1 ]
机构
[1] Univ KwaZulu Natal, Sch Life Sci, Res Ctr Plant Growth & Dev, ZA-3209 Scottsville, South Africa
[2] Palacky Univ, Lab Growth Regulators, Ctr Reg Hana Biotechnol & Agr Res, Fac Sci, Olomouc 78371, Czech Republic
[3] Palacky Univ, Dept Chem Biol & Genet, Ctr Reg Hana Biotechnol & Agr Res, Fac Sci, Olomouc 78371, Czech Republic
[4] Inst Expt Bot AS CR, Olomouc 78371, Czech Republic
基金
新加坡国家研究基金会;
关键词
Abscisic acid; Biostimulant; Brassinosteroids; Cytokinins; Gibberellins; Phenolics; QUANTITATIVE-ANALYSIS; ABSCISIC-ACID; ISOTOPE-DILUTION; SMOKE-WATER; GIBBERELLINS; CYTOKININS; CHROMATOGRAPHY; BRASSINOSTEROIDS; SUBSTANCES; COMPOST;
D O I
10.1007/s10725-014-0011-0
中图分类号
Q94 [植物学];
学科分类号
071001 ;
摘要
Cytokinins, auxins, abscisic acid, gibberellins (GAs) and brassinosteroids (BRs) as well as the phenolic acid content in three batches of vermicompost leachate (VCL) were quantified using ultra high performance liquid chromatography-tandem mass spectrometry. N (6)-isopentenyladenine formed the major (60 %) proportion of the CK content while dihydrozeatin had the lowest (< 0.02 %) concentration. Indole-3-acetic acid ranged from approximately 0.55-0.77 pmol/mL. A total of 18 GAs including bioactive forms and metabolic end products were observed in the VCL samples. Cathasterone had the highest (2,500-3,200 fg/mL) concentration while brassinolide was the lowest (1-5 fg/mL) abundant BRs found. Phenolic acids quantified were protocatechuic acid (3-3.6 A mu g/mL), p-hydroxybenzoic acid (2.5-2.8 A mu g/mL), p-coumaric acid (1-1.7 A mu g/mL) and ferulic acid (0-4 A mu g/mL). These results provide an indication of the rich diversity in natural PGRs and phytochemicals in VCL which may inevitably contribute to the numerous favorable physiological responses elicited by VCL application to plants.
引用
收藏
页码:483 / 492
页数:10
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