Advances in chitosan-mediated seed enhancement: Germination, stress tolerance, and storage stability

IF 3.4 2区农林科学 Q1 ENTOMOLOGY

Journal of Stored Products Research Pub Date : 2026-03-01 Epub Date: 2026-02-17 DOI:10.1016/j.jspr.2026.102992

Huanxin Zhang, Cheng Li, Ping Liu, Ping Wu, Minqi Lv

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引用次数: 0

Abstract

Sustainable seed technology requires chitin-derived biocompatible, biodegradable, and non-toxic cationic polymer chitosan. Recent research on chitosan and its advanced derivatives (i.e., chemically modified forms such as carboxymethyl chitosan) targets germination stimulation, multidimensional stress tolerance, and storage stability. Deacetylation, concentration, and chitosan molecular weight alter seed surface contact, bioactivity, and physiology. The review meticulously details how chitosan-based priming, coating, and nano-delivery improve seed performance. Systemic resistance is induced via phytohormone regulation, seed microenvironment adjustment, and superoxide dismutase, catalase, peroxidase, and phenylpropanoid pathway overexpression. Composite formulations inhibit seed-borne and storage diseases, improving germination and stand establishment. Chitosan helps mitigate salt, drought, severe temperatures, and heavy metal toxicity. Advances in nanotechnology represent a significant paradigm shift. Composites of charcoal, plant oils, zinc, silver, and chitosan nanoparticles perform better. Nano-chitosan enhances seed coat adherence, bio-stimulant delivery, active chemical release, and synergy. We examine their long-term storage resistance to oxidative degradation and microbial growth to improve germination, stress tolerance, seed viability, and vigor. Crop-specific approaches, nano-chitosan's environmental fate and non-target effects, commercial scale, and integrated pest and nutrient management are examples. Chitosan helps climate-resilient agriculture, post-harvest losses, and seed security.

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壳聚糖介导的种子增强研究进展：萌发、耐受性和储存稳定性

可持续种子技术需要甲壳素衍生的生物相容性、可生物降解、无毒的阳离子聚合物壳聚糖。最近对壳聚糖及其高级衍生物（即化学改性形式，如羧甲基壳聚糖）的研究主要针对发芽刺激、多维耐受性和储存稳定性。脱乙酰化、浓度和壳聚糖分子量改变种子表面接触、生物活性和生理。这篇综述详细介绍了壳聚糖为基础的底漆、包衣和纳米递送如何提高种子性能。系统性抗性是通过植物激素调节、种子微环境调节、超氧化物歧化酶、过氧化氢酶、过氧化物酶和苯丙素途径的过表达诱导的。复合配方抑制种子传播和贮藏病害，提高发芽和立木。壳聚糖有助于减轻盐、干旱、高温和重金属毒性。纳米技术的进步代表了一种重大的范式转变。木炭、植物油、锌、银和壳聚糖纳米颗粒的复合材料表现更好。纳米壳聚糖增强种皮粘附性、生物刺激素递送、活性化学物质释放和协同作用。我们研究了它们的长期储存，抗氧化降解和微生物生长，以提高发芽，耐受性，种子活力和活力。例如，作物特异性方法、纳米壳聚糖的环境命运和非目标效应、商业规模以及病虫害和养分综合管理。壳聚糖有助于气候适应型农业、收获后损失和种子安全。

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来源期刊

Journal of Stored Products Research 生物-昆虫学

CiteScore

5.70

自引率

18.50%

发文量

112

审稿时长

45 days

期刊介绍： The Journal of Stored Products Research provides an international medium for the publication of both reviews and original results from laboratory and field studies on the preservation and safety of stored products, notably food stocks, covering storage-related problems from the producer through the supply chain to the consumer. Stored products are characterised by having relatively low moisture content and include raw and semi-processed foods, animal feedstuffs, and a range of other durable items, including materials such as clothing or museum artefacts.