利用玉米和大菱鲆作物评估 Deinococci 菌属的植物生长促进潜力

IF 3.9 3区 生物学 Q1 PLANT SCIENCES
Manoj Kumar Chitara, Rajesh Pratap Singh, Narendra Kumar Singh, Yogendra Singh Rajpurohit, Hari S. Misra
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引用次数: 0

摘要

在前所未有的气候条件下,微生物介导的植物生长促进法是一种生态友好和可持续的方法。目前,可用于促进植物生长的有益微生物有一些局限性,如需要特定的生长条件等。然而,已发现的一种 Deinococci 菌属细菌具有一些非凡的抗辐射和耐干燥能力,可以帮助其在极端恶劣的条件下生存,而不受严重伤害和不可预测的气候条件的影响,这使其与其他微生物生物试剂相比具有特殊性。本研究证明了 Deinoccci 在玉米(Zea mays)和扁豆(Lens culinaris)作物中促进植物生长的潜力。实验同时在体外(实验室)和体内(温室)条件下进行。结果表明,不同种类的 Deinococci 在玉米和扁豆中表现出不同的反应。例如,在玉米中联合施用(种子生物引种和土壤预接种)D. radiodurans 38 可显著提高种子发芽率、最大芽长(47.72 厘米)和根长(10.19 厘米)、鲜芽重(3.44 克)和根重(0.39 克)、干芽重(0.348 克)和根重(0.095 克)、强健的幼苗活力(5791.与单独施用相比,在扁豆中施用 D. radiodurans R1 可提高种子萌发率、最大芽长(24.3 厘米)和根长(7.94 厘米)、鲜芽重(0.40 克)和根重(0.032 克)、干芽重(0.085 克)和根重(0.023 克)、幼苗活力强(3028.6)和 R:S (0.33)。总之,我们的研究结果表明,与其他菌株相比,联合施用放射乳杆菌 38 和 R1 对玉米和扁豆的植物生长具有更高的促进作用。这表明,无论环境条件如何变幻莫测,它都有可能成为促进玉米和扁豆作物生长的有效替代品,促进种子发芽和生物量发展。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Plant Growth-Promoting Potential of Deinococci spp. Evaluated Using Zea mays and Lens Culinaris Crops

Plant Growth-Promoting Potential of Deinococci spp. Evaluated Using Zea mays and Lens Culinaris Crops

Microbial-mediated plant growth promotion is an eco-friendly and sustainable approach under unprecedented climatic conditions. Today, available beneficial microbes for plant growth promotion have some limitations such as required specific growth conditions, etc. However, a bacterium family Deinococci spp. identified has some extraordinary, radioresistance and desiccation tolerance capabilities, that can help it survive in extremely harsh conditions, irrespective of serious injury and unpredictable climatic conditions, making it special compared to other microbial bioagents. The present investigation demonstrated the plant growth-prompting potential of Deinoccci, in maize (Zea mays) and lentil (Lens culinaris) crops. The experiment was conducted both in in vitro (laboratory) and in vivo (glasshouse) conditions. The results indicate that different species of Deinococci exhibited varying responses in maize and lentil. For instance, the combined (seed bio-priming and soil pre-inoculation) application of D. radiodurans 38 in maize enhanced a significantly higher percentage of seed germination, maximum shoot (47.72 cm) and root (10.19 cm) length, fresh shoot (3.44 g) and root (0.39 g) weight, dry shoot (0.348 g) and root (0.095 g) weight, strong seedling vigor (5791.6) and R:S (0.214), while D. radiodurans R1 in lentil promote cent per cent seed germination, maximum shoot (24.3 cm) and root (7.94 cm) length, fresh shoot (0.40 g) and root (0.032 g) weight, dry shoot (0.085 g) and root (0.023 g) weight, strong seedling vigor (3028.6) and R:S (0.33) as compared to individual application. Overall, our findings suggested that the combined application of the Deinococci radiodurans 38 and R1 showed higher plant growth promotion in maize and lentil, respectively, as compared to other strains. This suggests that it could be potentially used as an efficient alternative to promote growth in maize and lentil crops for both seed germination and biomass development irrespective of unpredictable environmental conditions.

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来源期刊
CiteScore
8.40
自引率
6.20%
发文量
312
审稿时长
1.8 months
期刊介绍: The Journal of Plant Growth Regulation is an international publication featuring original articles on all aspects of plant growth and development. We welcome manuscripts reporting question-based research on various aspects of plant growth and development using hormonal, physiological, environmental, genetic, biophysical, developmental and/or molecular approaches. The journal also publishes timely reviews on highly relevant areas and/or studies in plant growth and development, including interdisciplinary work with an emphasis on plant growth, plant hormones and plant pathology or abiotic stress. In addition, the journal features occasional thematic issues with special guest editors, as well as brief communications describing novel techniques and meeting reports. The journal is unlikely to accept manuscripts that are purely descriptive in nature or reports work with simple tissue culture without attempting to investigate the underlying mechanisms of plant growth regulation, those that focus exclusively on microbial communities, or deal with the (elicitation by plant hormones of) synthesis of secondary metabolites.
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