Trade-off between pathogen control and seed viability: Engineering hydrothermal wastewater towards agricultural sustainable development and food security

IF 11.4 1区环境科学与生态学 Q1 ENGINEERING, ENVIRONMENTAL

Water Research Pub Date : 2025-03-28 DOI:10.1016/j.watres.2025.123567

Cheng Luo , Leli Zhang , Maojiong Cao , Linyan Zhang , Yongdong Xu , Zhidan Liu

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Abstract

Ensuring the balance between pathogen control and seed viability is critical for advancing sustainable agricultural practices. Hydrothermal liquefaction aqueous phase (HTL-AP), a renewable byproduct of biomass processing, exhibits promising antifungal properties but poses challenges due to its concentration-dependent phytotoxicity. Here we report trade-off and tailored protocol for simultaneously efficient antifungal and seed growth via engineering HTL-AP based disinfectant. Employing wheat and cabbage seeds contaminated with pathogenic fungi as representative crop seeds, HTL-AP achieved complete inhibition of fungal growth at a concentration of 4.8 %, whereas seed viability was negatively impacted by HTL-AP at low dilution ratios (i.e., × 1, × 2). Customized disinfection protocols were developed tailored to different seeds, involving adjustments of HTL-AP concentration, exposure time, and wash post-treatment, in order to achieve the optimal trade off, comparable to that of conventional disinfectants. The multifaceted disinfection mechanisms of HTL-AP were discussed, including cell membrane disruption, metabolic pathways interference, and enzyme system damage. This study underscores the significance for a customized strategy in both pathogen reduction and the promotion of plant health. By engineering a renewable HTL-AP reagent, this research advances sustainable agricultural practices and bolsters global food security.

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来源期刊

Water Research 环境科学-工程：环境

CiteScore

20.80

自引率

9.40%

发文量

1307

审稿时长

38 days

期刊介绍： Water Research, along with its open access companion journal Water Research X, serves as a platform for publishing original research papers covering various aspects of the science and technology related to the anthropogenic water cycle, water quality, and its management worldwide. The audience targeted by the journal comprises biologists, chemical engineers, chemists, civil engineers, environmental engineers, limnologists, and microbiologists. The scope of the journal include: •Treatment processes for water and wastewaters (municipal, agricultural, industrial, and on-site treatment), including resource recovery and residuals management; •Urban hydrology including sewer systems, stormwater management, and green infrastructure; •Drinking water treatment and distribution; •Potable and non-potable water reuse; •Sanitation, public health, and risk assessment; •Anaerobic digestion, solid and hazardous waste management, including source characterization and the effects and control of leachates and gaseous emissions; •Contaminants (chemical, microbial, anthropogenic particles such as nanoparticles or microplastics) and related water quality sensing, monitoring, fate, and assessment; •Anthropogenic impacts on inland, tidal, coastal and urban waters, focusing on surface and ground waters, and point and non-point sources of pollution; •Environmental restoration, linked to surface water, groundwater and groundwater remediation; •Analysis of the interfaces between sediments and water, and between water and atmosphere, focusing specifically on anthropogenic impacts; •Mathematical modelling, systems analysis, machine learning, and beneficial use of big data related to the anthropogenic water cycle; •Socio-economic, policy, and regulations studies.