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Impact of Light-Emitting Diode (LED) Lighting and Microbial Inoculum on Rice Seedling Phenotype, Physiology, and Microbial Communities

文献类型： 外文期刊

作者： Ye, Ziran 1 ; Dai, Mengdi 1 ; Kong, Dedong 1 ; Tan, Xiangfeng 1 ;

作者机构： 1.Zhejiang Acad Agr Sci, Inst Digital Agr, Hangzhou 310021, Peoples R China

关键词： rice seedlings; LED lighting; Falciphora oryzae; phenotypic traits; microbial inoculum

期刊名称：AGRONOMY-BASEL （ 影响因子：3.4； 五年影响因子：3.8 ）

ISSN：

年卷期： 2024 年 14 卷 12 期

页码：

收录情况： SCI

摘要： Raising rice (Oryza sativa L.) seedlings under LED lighting reduces nursing space and labor while ensuring health and quality. This study compared rice seedlings grown under natural light (NL) and LED lighting (AL), with and without inoculation of the beneficial fungus Falciphora oryzae. The results showed that NL-grown seedlings had greater stem diameters and shoot and root weights. The AL treatment induced higher plant height in some cultivars and longer root lengths in others. Microbial inoculation minimally affected phenotypes but increased root length in one cultivar. Chlorophyll content was unchanged across the treatments, while malondialdehyde (MDA) levels rose under AL in one cultivar, and catalase (CAT) levels were elevated in two cultivars under AL. Microbial inoculation reduced CAT levels under AL. The AL + M treatment increased rhizosphere prokaryotic community evenness and altered prokaryotic compositions in the rhizosphere and root endosphere, with Burkholderia and Paraburkholderia taxa showing differential responses to the treatments. These findings underscore the role of microbial inoculation in enhancing rice seedling health and resilience under artificial lighting, contributing to sustainable agriculture and food security.

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