Bacterial communities are associated with the tuber size of Tetrastigma hemsleyanum in stony soils

Hong, Chuntao; Shao, Qingsong; Qin, Wensheng; Zhang, Jianhong; Wei, Bin; Shen, Dengfeng; Zheng, Bingsong; Guo, Haipeng

doi:10.1007/s00374-020-01530-4

Cited by 12 publications

(6 citation statements)

References 68 publications

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“…In contrast, there was a weak and negative correlation between potassium and potato tuber size distribution [51]. e nutrient use efficiency values may be affected by the quality of the data used in the calculation.…”

Section: Phosphorus and Potassium Influences On Quality Parametersmentioning

confidence: 92%

Potato (Solanum tuberosum L.) Growth and Quality as Influenced by Inorganic Fertilizer Rates in Northwestern Ethiopia

Gelaye

Alemayehu

Ademe

2022

International Journal of Agronomy

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Potato (Solanum tuberosum L.) is an important tuber crop that is highly affected by poor soil fertility and nutrient disparities. Nutrient depletion due to intensive monocropping and poor soil management practices is a serious problem in Ethiopia, including in northwestern areas. Therefore, an experiment was conducted in the East Gojjam zone of northwestern Ethiopia to evaluate the influence of phosphorus and potassium fertilizer rates on potato tuber production. Three phosphorus levels (0, 34.5, and 69 kg/ha−1) and four potassium levels (0, 100, 200, and 300 kg/ha−1) were set out in a factorial arrangement and replicated three times using a randomized complete block design. Data on growth and quality parameters, as well as plant tissue analysis results, were collected. According to the results, the main effects of phosphorus and potassium fertilizer rates statistically affected growth components. The combined effects of phosphorus and potassium fertilizers had a significant influence on quality components (tuber size distribution). Similarly, the interaction effects of phosphorus and potassium fertilizer rates gave the highest response in all nutrient use efficiency parameters. The combined application of 34.5 kg P2O5 and 200 kg K2O fertilizers resulted in the highest medium (28.32 ton/ha−1) and large-sized (20.0 ton/ha−1) tuber yields. The interaction effect of 34.5 kg P2O5 with 100 kg K2O ha−1 yielded the highest agronomic and recovery efficiency values. Hence, a combination of 34.5 kg P2O5 ha−1 and 200 kg K2O ha−1 fertilizer rates can be recommended for the optimal production of potato in the northwestern area.

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Section: Phosphorus and Potassium Influences On Quality Parametersmentioning

confidence: 92%

Potato (Solanum tuberosum L.) Growth and Quality as Influenced by Inorganic Fertilizer Rates in Northwestern Ethiopia

Gelaye

Alemayehu

Ademe

2022

International Journal of Agronomy

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“…The 16S rRNA sequences obtained from the MiSeq platform were used for microbial ecology analysis. The bioinformatics processing was referred to Hong et al ( 2021 ) and Zheng (Zheng & Gong, 2019 ; Zheng & Lin, 2020 ) using QIIME (Caporaso et al, 2010 ), USEARCH (Edgar, 2010 ), and in‐house scripts. Briefly, after the generation of high‐quality reads, unique reads were clustered to form OTUs at the 99% sequence similarity by the pick_open_reference_otus.py script.…”

Section: Methodsmentioning

confidence: 99%

Biocontrol: Endophytic bacteria could be crucial to fight soft rot disease in the rare medicinal herb, Anoectochilus roxburghii

Xing

Zhang

Liu

et al. 2022

Microbial Biotechnology

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Microbial destabilization induced by pathogen infection has severely affected plant quality and output, such as Anoectochilus roxburghii, an economically important herb. Soft rot is the main disease that occurs during A. roxburghii culturing. However, the key members of pathogens and their interplay with non-detrimental microorganisms in diseased plants remain largely unsolved.Here, by utilizing a molecular ecological network approach, the interactions within bacterial communities in endophytic compartments and the surrounding soils during soft rot infection were investigated. Significant differences in bacterial diversity and community composition between healthy and diseased plants were observed, indicating that the endophytic communities were strongly influenced by pathogen invasion. Endophytic stem communities of the diseased plants were primarily derived from roots and the root endophytes were largely derived from rhizosphere soils, which depicts a possible pathogen migration image from soils to roots and finally the stems. Furthermore, interactions among microbial members indicated that pathogen invasion might be aided by positively correlated native microbial members, such as Enterobacter and Microbacterium, who may assist in colonization and multiplication through a mutualistic relationship in roots during the pathogen infection process. Our findings will help open new avenues for developing more accurate strategies for biological control of A. roxburghii bacterial soft rot disease.

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“…Many soils contain rock fragments as a result of processes of soil genesis and human activities such as tillage and resource extraction (Hu et al., 2021 ). Rock fragment content (RFC) is critical for other soil properties, such as soil physical structure (Gargiulo et al., 2015 , 2016 ; Xu et al., 2012 ), water and nutrient availability (Ceacero et al., 2020 ; Rytter, 2012 ), and microbial composition (Hong et al., 2021 ; Huang, Bao, et al., 2023 ). In soils with high RFC, growth and biomass accumulation decreases in plants (Hu et al., 2021 ; Mi et al., 2016 ), but the mass fraction of the below‐ground parts increases (Hu et al., 2021 ).…”

Section: Introductionmentioning

confidence: 99%

Shifting patterns in fine root distribution of four xerophytic species across soil structural gradients and years of growth

Hu,

Bao,

Huang

et al. 2024

Ecology and Evolution

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Fine root (diameter < 2 mm) distribution influences the potential for resource acquisition in soil profiles, which defines how plants interact with local soil environments; however, a deep understanding of how fine root vertical distribution varies with soil structural variations and across growth years is lacking. We subjected four xerophytic species native to an arid valley of China, Artemisia vestita, Bauhinia brachycarpa, Sophora davidii, and Cotinus szechuanensis, to increasing rock fragment content (RFC) treatments (0%, 25%, 50%, and 75%, v v−1) in an arid environment and measured fine root vertical profiles over 4 years of growth. Fine root depth and biomass of woody species increased with increasing RFC, but the extent of increase declined with growth years. Increasing RFC also increased the degree of interannual decreases in fine root diameter. The limited supply of soil resources in coarse soils explained the increases in rooting depth and variations in the pattern of fine root profiles across RFC. Fine root depth and biomass of the non‐woody species (A. vestita) in soil profiles decreased with the increase in RFC and growth years, showing an opposite pattern from the other three woody species. Within woody species, the annual increase in fine root biomass varied with RFC, which led to large interannual differences in the patterns of fine root profiles. Younger or non‐woody plants were more susceptible to soil environmental changes than the older or woody plants. These results reveal the limitations of dry and rocky environments on the growth of different plants, with woody and non‐woody plants adjusting their root vertical distribution through opposite pathways to cope with resource constraints, which has management implications for degraded agroforest ecosystems.

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Bacterial communities are associated with the tuber size of Tetrastigma hemsleyanum in stony soils

Cited by 12 publications

References 68 publications

Potato (Solanum tuberosum L.) Growth and Quality as Influenced by Inorganic Fertilizer Rates in Northwestern Ethiopia

Potato (Solanum tuberosum L.) Growth and Quality as Influenced by Inorganic Fertilizer Rates in Northwestern Ethiopia

Biocontrol: Endophytic bacteria could be crucial to fight soft rot disease in the rare medicinal herb, Anoectochilus roxburghii

Shifting patterns in fine root distribution of four xerophytic species across soil structural gradients and years of growth

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