Identification and Quantification of Plant Growth Regulators and Antioxidant Compounds in Aqueous Extracts of Padina durvillaei and Ulva lactuca

被引:35
作者
Benitez Garcia, Israel [1 ]
Duenas Ledezma, Ana Karen [1 ]
Martinez Montano, Emmanuel [1 ,2 ]
Salazar Leyva, Jesus Aaron [1 ]
Carrera, Esther [3 ]
Osuna Ruiz, Idalia [1 ]
机构
[1] Univ Politecn Sinaloa UPSIN, Unidad Acad Ingn Biotecnol, Ciencias Aplicadas, Carretera Municipal Libre Mazatlan Higueras Km 3, Mazatlan 82199, Sin, Mexico
[2] Consejo Nacl Ciencia & Technol, Catedras CONACYT, Ciudad De Mexico 03940, Mexico
[3] Univ Politecn Valencia, CSIC, Inst Biol Mol & Celular Plantas IBMCP, Inst Biol Mol & Celular Plantas, Valencia 46022, Spain
来源
AGRONOMY-BASEL | 2020年 / 10卷 / 06期
关键词
seaweed extract; phytohormone profiling; fertilizers; antioxidant; plant growth regulators; brown seaweed; green algae; SEAWEED LIQUID EXTRACTS; PHENOLIC-COMPOUNDS; POLYSACCHARIDES; MACROALGAE; CAPACITY; SINALOA; TOMATO; BROWN;
D O I
10.3390/agronomy10060866
中图分类号
S3 [农学(农艺学)];
学科分类号
0901 ;
摘要
Aqueous seaweed extracts have diverse compounds such as Plant-Growth Regulators (PGRs) which have been utilized in agricultural practices for increasing crop productivity. Algal biomass of Padina durvillaei and Ulva lactuca have been suggested for use as biofertilizers because of plant growth-enhancing properties. This work aimed to identify the main PGRs and antioxidant properties in P. durvillaei and U. lactuca extracts, such as abscisic acid, auxins, cytokinins, gibberellins, jasmonates, and salicylates, to assess their potential use as biofertilizers that improve plant growth and crop yield. Phytochemical analyses of two seaweed extracts showed a significantly higher content of sulfates, flavonoids, and phenolic compounds in P. durvillaei extract, which could be linked to its higher antioxidant activity (DPPH, ABTS, and FRAP) compared to U. lactuca extract. The identification and quantification of PGRs showed two gibberellins (GA1 and GA4), abscisic acid (ABA), indoleacetic acid (IAA), three cytokinins (tZ, IP, and DHZ), jasmonic acid (JA), and salicylic acid (SA) in two seaweed extracts. However, GA4, tZ, and DHZ contents were significantly higher in P. durvillaei compared to U. lactuca extracts. These findings evidence that P. durvillaei and U. lactuca extracts are suitable candidates for use as biofertilizers.
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页数:13
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