期刊论文详细信息
Journal of plant interactions
Endogenous cytokinins mediate growth-stimulating and protective action of the HUMI preparation on wheat plants inoculated with Tilletia caries
article
Farida Shakirova1  Dilara Maslennikova1  Marina Bezrukova1  Rimma Fatkhutdinova1  Azamat Avalbaev1  Rustem Isaev1  Vyacheslav Kuznetsov1 
[1] Institute of Biochemistry and Genetics, Ufa Scientific Centre, Russian Academy of Sciences
关键词: humic acids;    HUMI;    abscisic acid;    indoleacetic acid;    cytokinins;    Tilletia caries;    Triticum aestivum L.;   
DOI  :  10.1080/17429145.2013.792018
学科分类:纳米科学和纳米技术
来源: Taylor & Francis
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【 摘 要 】

Humic substances (HS) and preparations created on their basis are known to be effective in growth stimulation and improvement of resistance and productivity of different plant species. We have revealed that the presowing semidry treatment of wheat seeds with preparation HUMI (NVP ‘BashIncom’, Ufa, Bashkortostan, Russia) promoted seedling growth and increased wheat yield. This effect is likely to be due to the shifts induced by HUMI in the hormonal system of plants associated with a 1.5-fold persistent accumulation of cytokinins (CKs) without any changes in the contents of indoleacetic acid (IAA) and abscisic acid (ABA). Meanwhile, presowing treatment with HUMI had a stabilizing effect on the state of the hormonal system in the course of ontogenesis of wheat inoculated with teliospores Tilletia caries. Obtained data about prevention of the decline in the cytokinin content in HUMI-treated infected wheat is fundamental in the implementation of immuno-stimulatory effect of HUMI resulting in the suppression of the growth and development of pathogens

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