[1]段素菁,陈柱生,岳淼,等.大蒜E素结合有机肥诱导烟草抗根结线虫病的生理及转录组分析[J].江苏农业科学,2026,54(11):126-137.
 Duan Sujing,et al.Physiological and transcriptomic analysis of allicin E combined with organic fertilizer in inducing tobacco resistance to rootknot nematode disease[J].Jiangsu Agricultural Sciences,2026,54(11):126-137.
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大蒜E素结合有机肥诱导烟草抗根结线虫病的生理及转录组分析()

《江苏农业科学》[ISSN:1002-1302/CN:32-1214/S]

卷:
第54卷
期数:
2026年第11期
页码:
126-137
栏目:
植物保护
出版日期:
2026-06-05

文章信息/Info

Title:
Physiological and transcriptomic analysis of allicin E combined with organic fertilizer in inducing tobacco resistance to rootknot nematode disease
作者:
段素菁1 陈柱生3 岳淼1 陈宋梅1 高蕊1 王扬1 和淑琪1 陈学军2 吴文涛1
1.云南农业大学植物保护学院,云南昆明 650201; 2.云南省烟草农业科学研究院,云南昆明 650021; 3.云南省曲靖市沾益区农业技术推广中心,云南曲靖 655331
Author(s):
Duan Sujinget al
关键词:
大蒜E素烟草转录组根结线虫病诱导抗病
Keywords:
-
分类号:
S435.72
DOI:
-
文献标志码:
A
摘要:
大蒜E素(ALE)是一种低环境毒性的植物源硫化物,具有广谱抗菌活性,与有机肥配施在可持续农业中展现出良好的应用潜力。通过盆栽试验筛选出ALE与有机肥的最优配施比例,结合烟草相关生理指标测定与转录组测序分析系统探究了二者协同诱导烟草对南方根结线虫抗病性的调控机制。结果表明,以1 kg土壤配施 0.1 g ALE+20 g有机肥时对根结线虫的防治效果最佳,根结指数和病情指数较对照分别降低86.38%和61.01%,诱抗效果提升至61.01%,同时还能显著促进烟草体内总酚和木质素的合成与积累,有效增强植株对根结线虫的防御能力;转录组测序共鉴定出1 965个差异表达基因(DEG),KEGG富集分析表明该联合处理可显著上调苯丙烷生物合成途径中多个关键基因的表达,即通过激活木质素合成通路提升烟草对根结线虫的抗性;另外,实时定量PCR(qRT-PCR)对烟草根部抗性基因表达的验证结果与转录组测序结果一致。这些结果共同表明ALE与有机肥联合施用可上调木质素生物合成通路关键基因的表达,促进木质素在细胞壁中的沉积,从而增强烟草对根结线虫的抗性,有效减轻根结线虫病的发生与危害。
Abstract:
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备注/Memo

备注/Memo:
收稿日期:2026-02-01
基金项目:云南省烟草公司科技计划重大项目(编号:2024530000241003);云南农业大学科研启动项目(编号:云财教24年185号121工程)。
作者简介:段素菁(2001—),女,山西运城人,硕士研究生,主要从事线虫防控研究。E-mail:18235446990@163.com。
通信作者:陈学军,博士,研究员,主要从事烟草抗病育种研究,E-mail:cxjkm@163.com;吴文涛,博士,讲师,硕士生导师,主要从事植物与线虫互作、生物防治研究,E-mail:wentao _wu121@163.com。
更新日期/Last Update: 2026-06-05