Effects of Organic Acid Root Exudates of Malus hupehensis Rehd. Derived from Soil and Root Leaching Liquor from Orchards with Apple Replant Disease

Sun, Ning; Chen, Yang; Qin, Xiaoqiong; Liu, Yangbo; Sui, Mengyi; Zhang, Yawen; Cui, Xueli; Yin, Yijun; Wang, Rong; Hu, Yanli; Chen, Xuesen; Mao, Yunfei; Shen, Xiang

doi:10.3390/plants11212968

Cited by 8 publications

(3 citation statements)

References 46 publications

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“…This is due to the soil itself has a specific buffering capacity. Application of quantitative amount of biochar does not change the pH of the soil evidently, which corresponds to the previous conclusion [45,46]. The EC values of the B@PM group (10TJ, 20TJ, and 30TJ) were greater than those of CS, T, and J.…”

Section: Effect Of B@pm On Soil Physico-chemical Properties and Enzym...supporting

confidence: 88%

Calcium-Based Biochar Loaded with Paenibacillus mucilaginosus Acted as an Eco-Friendly Strategy to Enhance Soil Nutrients and Plant Biomass

Zhang,

Wang,

Cao

et al. 2024

Preprint

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The loose and porous structure and abundant pores of biochar provide conditions for being a suitable fertilizer carrier. Biochar loaded with beneficial microorganisms will greatly promote plant growth and soil improvement. In this work, an environmentally friendly Paenibacillus mucilaginosus loaded biochar-based fertilizer (B@PM) with high nutrient content, good slow-release effect and increased biological activity was prepared. The released mechanism of P-K-Ca from B@PM and the synergistic effect on the soil nutrients and plant growth were also analyzed. The experimental results showed that the release behavior of P, K and Ca from B@PM was diffusive and dissolved, which conforms to the Power function and Parabolic diffusion models, respectively. The potting experiment showed that the root length (30.77%), leaf width (71.67%), and plant height (81.08%) of Chinese cabbage were enhanced after the application of B@PM, and the organic matter, available phosphorus, available potassium, and total calcium in the soil were also substantially enhanced. In addition, the abundance of the Proteobacteria, Actinobacteria, Bacteroidetes and Firmicutes in the in the rhizosphere soil was increased, as well as the activities of catalase (82.84%) and alkaline phosphatase (39.64%). The results of RDA analyses showed that B@PM increased the content of the environmental factors, such as OM, URE, EC, TCa, AK, CAT, AP and ALP, thus improving soil quality and plant length.

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Section: Effect Of B@pm On Soil Physico-chemical Properties and Enzym...supporting

confidence: 88%

Calcium-Based Biochar Loaded with Paenibacillus mucilaginosus Acted as an Eco-Friendly Strategy to Enhance Soil Nutrients and Plant Biomass

Zhang,

Wang,

Cao

et al. 2024

Preprint

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“…Though secretion of these compounds is considered a defense response, it is hypothesized that high levels of phenolic compounds can have autotoxic effects, potentially exacerbating ARD. Additionally, it was shown that genes associated with the production of caffeic acid were upregulated in ARD- infected apple roots, relative to those grown in γ-irradiated ARD soil 66,67 , and that root and soil extracts from replant-diseased trees inhibited apple seedling growth and resulted in increased seedling root production of caffeic acid 68 .…”

Section: Resultsmentioning

confidence: 99%

A metabolic modeling-based framework for predicting trophic dependencies in native rhizobiomes of crop plants

Ginatt,

Berihu,

Castel

et al. 2023

Preprint

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The exchange of metabolites (i.e., metabolic interactions) between bacteria in the rhizosphere determines various plant-associated functions. Systematically understanding the metabolic interactions in the rhizosphere, as well as in other types of microbial communities, would open the door to the optimization of specific pre-defined functions of interest, and therefore to the harnessing of the functionality of various types of microbiomes. However, mechanistic knowledge regarding the gathering and interpretation of these interactions is limited. Here, we present a framework utilizing genomics and constraint based modeling approaches, aiming to interpret the hierarchical trophic interactions in the soil environment. 243 genome-scale metabolic models of bacteria associated with a specific disease suppressive vs disease conductive apple rhizospheres were drafted based on genome resolved metagenomes, comprising anin-siliconative microbial community. Iteratively simulating microbial community members' growth in a metabolomics-based apple root-like environment produced novel data on potential trophic successions, used to form a network of communal trophic dependencies. Network-based analyses have characterized interactions associated with beneficial vs non-beneficial microbiome functioning, pinpointing specific compounds and microbial species as potential disease supporting and suppressing agents. This framework provides a means for capturing trophic interactions and formulating a range of testable hypotheses regarding the metabolic capabilities of microbial communities within their natural environment. Essentially, it can be applied to different environments and biological landscapes, elucidating the conditions for the targeted manipulation of various microbiomes, and the execution of countless predefined functions.

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“…Reactive oxygen species have the potential to cause significant cell damage. Indeed, phenolic compounds appeared to reduce seedling growth of crop 38 . Meanwhile, phenol structures caught hold of the behaviour of respiratory enzymes.…”

Section: Discussionmentioning

confidence: 99%

Effect of Populus nigra spring and autumn leaves extract on Capsicum annuum infected with pepper mild mottle virus

Gharib

Mandour

2022

Sci Rep

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Capsicum annuum is one of the main vegetable crops for the local market and exportation in Egypt. In this concern, pepper mild mottle virus (PMMoV) infection caused a significant decrease in Capsicum sp. leading to large economic losses. An isolate of PMMoV was obtained from naturally infected pepper plants, exhibiting different patterns of mottling, leaf distortion, yellowing, and stunting of leaves. The virus was identified. The molecular detection of PMMoV was done using RT-PCR with specific primers designed for coat protein genes. An RT-PCR product (474) bp of the coat protein gene of (PMMoV) was cloned. The target of the investigation was the effect of spring and autumn ethanol extracts of Populus nigra leaves on C. annuum seedling growth and infected C. annuum with (PMMoV) under greenhouse conditions. The experimental data showed that treated spring leaf extract of P. nigra enhanced infected C. annuum seedling growth parameters and fruit quality compared to uninfected seedlings. P. nigra spring leaf extract containing some allo-chemicals had a negative effect on uninfected seedlings. P. nigra autumn leaf extract significantly improved the growth and fruit quality of infected C. annuum seedlings compared to the control.

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Effects of Organic Acid Root Exudates of Malus hupehensis Rehd. Derived from Soil and Root Leaching Liquor from Orchards with Apple Replant Disease

Cited by 8 publications

References 46 publications

Calcium-Based Biochar Loaded with Paenibacillus mucilaginosus Acted as an Eco-Friendly Strategy to Enhance Soil Nutrients and Plant Biomass

Calcium-Based Biochar Loaded with Paenibacillus mucilaginosus Acted as an Eco-Friendly Strategy to Enhance Soil Nutrients and Plant Biomass

A metabolic modeling-based framework for predicting trophic dependencies in native rhizobiomes of crop plants

Effect of Populus nigra spring and autumn leaves extract on Capsicum annuum infected with pepper mild mottle virus

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