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Impact of microorganism inoculation on growth and Si accumulation in rubber seedlings
Journal of Rubber Research ( IF 1.2 ) Pub Date : 2021-09-02 , DOI: 10.1007/s42464-021-00117-4
Imran Shabbir 1, 2 , Mohd Yusoff Abd Samad 1, 3 , Radziah Othman 1 , Noraini Md Jaafar 1 , Mui-Yun Wong 3, 4 , Zulkefly Sulaiman 3, 5 , Syed Asad Hussain Bukhari 2
Affiliation  

Microbial agents present in soil rhizosphere play a key role in reducing intensive use of inorganic fertilizers, which cause environmental pollution and negatively affect soil fertility. To improve plant growth, microbial agents with silicon (Si) can be used in combination with chemical fertilizers. In this glasshouse study, co-inoculants Enterobacter sp. UPMSSB7, mycorrhizae (Glomus mosseae) and addition of Si were evaluated for growth improvement of rubber seedlings. Results of this study indicated that co-inoculation significantly (P < 0.01) improved stem height, chlorophyll content, leaf area, root and shoot dry weight, total root length, root surface area, and root volume as compared to control treatment. The co-inoculation significantly (P < 0.01) increased Si content in shoot and root as well as leaf nutrients content (N, P, and K) as compared to control treatment. Si alone had no effect on seedling growth and nutrients content. The population of Enterobacter sp. UPMSSB7 in rhizosphere of seedlings as a result of co-inoculation, was not significantly different from Enterobacter sp. UPMSSB7 with Si treatment. The mycorrhizae root colonization and spore density were significantly (P < 0.01) increased in co-inoculation, compared to control and single inoculations with Si. Thus, our results suggested that co-inoculants Enterobacter sp. and mycorrhizae could be an eco-friendly approach for growth promotion of rubber seedlings.



中文翻译:

微生物接种对橡胶幼苗生长及Si积累的影响

土壤根际中存在的微生物因子在减少无机肥料的集约使用方面发挥着关键作用,无机肥料会造成环境污染并对土壤肥力产生负面影响。为了改善植物生长,可以将含硅 (Si) 的微生物制剂与化肥结合使用。在这项温室研究中,共同接种肠杆菌属。UPMSSB7、菌根(Glomus mosseae )和添加硅对橡胶幼苗的生长改善进行了评估。该研究的结果表明, 与对照处理相比,共接种显着 ( P < 0.01) 改善了茎高、叶绿素含量、叶面积、根和地上部干重、总根长、根表面积和根体积。共接种显着(P < 0.01) 与对照处理相比,地上部和根中的硅含量以及叶片养分含量(N、P 和 K)增加。Si 单独对幼苗生长和养分含量没有影响。肠杆菌属的种群。作为共同接种的结果,幼苗根际中的 UPMSSB7 与肠杆菌属没有显着差异。采用 Si 处理的 UPMSSB7。 与对照和单独接种 Si 相比,共接种的菌根定植和孢子密度显着增加(P < 0.01)。因此,我们的结果表明共同接种肠杆菌属。和菌根可能是促进橡胶幼苗生长的环保方法。

更新日期:2021-09-04
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