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首页> 外文期刊>Crop Research >Response of spring canola [Brassica napus L.) cultivars inoculated with P. fluorescens FY 32 to drought stress
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Response of spring canola [Brassica napus L.) cultivars inoculated with P. fluorescens FY 32 to drought stress

机译：荧光假单胞菌FY 32接种春油菜（Brassica napus L.）品种对干旱胁迫的响应

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Plant growth promoting rhizobacteria have been known to reduce harmful effects of stresses such as water deficit. This study was designed to investigate the inoculation effects of P. fluorescens FY 32 on the growth of canola spring cultivars under drought stress. A factorial-split plot design in completely randomized blocks with three replications was conducted in hydroponic cultivation system. Six canola cultivars, including Hyola 308, Sarigol, RGS 003, Arnica, Hyola 420 and Olga were inoculated with P. fluorescens FY 32 or left non-inoculated as control. Three levels of drought stress (control, 70 and 50% FC) were applied to the hydroponic cultivation system. Drought stress significantly reduced relative water content (RWC), leaf area, shoot height, root length and soluble sugar but augmented chl a and total chl content and the total proline. Our results showed that bacterial inoculation had a positive effect in reducing the deleterious effects of drought stress in some cases.
机译：已知促进植物生长的根际细菌可减少胁迫（例如缺水）的有害影响。这项研究旨在研究萤光假单胞菌FY 32对干旱胁迫下双低油菜春季品种生长的影响。在水培耕作系统中，在完全随机的区块中进行了三份重复的因子分解图设计。用荧光假单胞菌FY 32接种了6个油菜品种，包括Hyola 308，Sarigol，RGS 003，Arnica，Hyola 420和Olga，或者未接种作为对照。将三种水平的干旱胁迫（对照，70％和50％FC）应用于水培栽培系统。干旱胁迫显着降低了相对水分含量（RWC），叶面积，枝条高度，根长和可溶性糖，但增加了chl a和总chl含量以及总脯氨酸。我们的结果表明，在某些情况下，细菌接种对减少干旱胁迫的有害影响具有积极作用。

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