YU Changhong,HUANG Qiuyue,CHEN Yang,et al.Effects of Bacillus velezensis N13 Biological Fertilizer on the Control of Pepper Root Rot and Resistant Enzyme Activity[J].Northern Horticulture,2026,(3):111-117.[doi:10.11937/bfyy.20252126]
贝莱斯芽孢杆菌N13生物菌肥对辣椒根腐病的防治及抗性酶活性的影响
- Title:
- Effects of Bacillus velezensis N13 Biological Fertilizer on the Control of Pepper Root Rot and Resistant Enzyme Activity
- 文章编号:
- 1001-0009(2026)03-0111-07
- 分类号:
- S476.1
- 文献标志码:
- A
- 摘要:
- 以“小牛角”辣椒为试材,采用盆栽试验法,研究了贝莱斯芽孢杆菌N13与园林废弃物堆肥共同沤制的生物菌肥对辣椒根腐病的防效,以及对辣椒根部几丁质酶、苯丙氨酸解氨酶(PAL)、多酚氧化酶(PPO)以及茉莉酸(JA)浓度的影响,以期为辣椒根腐病的防治提供参考依据。结果表明:N13生物菌肥对辣椒根腐病的相对防效为72.67%~84.67%,同时可使辣椒定植后30 d茎粗增长量和株高增长量分别提高209.88%、196.21%,与CK相比JA含量无显著变化,几丁质酶、PAL与PPO活性均显著提高。综上,N13生物菌肥可显著提升辣椒根部抗性酶活性,对辣椒根腐病具有良好的防效、促进辣椒生长,施用N13生物菌肥是防治辣椒根腐病的可行性措施。
- Abstract:
- Taking ‘Xiaoniujiao’ pepper as the test material,the biological fertilizer prepared by Bacillus velezensis N13 and garden waste compost on pepper root rot and the effects of chitinase,phenylalanine ammonia-lyase (PAL),polyphenol oxidase (PPO) and jasmonic acid (JA) concentration in pepper roots were studied by potting method,in order to provide a reference for the prevention and control of pepper root rot.The results showed that the relative control effect of N13 biological fertilizer on root rot was 72.67%-84.67%,and the stem diameter growth and plant height growth of pepper increased by 209.88% and 196.21% respectively on the 30th day after planting,and the JA content did not change significantly compared with CK,and the contents of chitinase,activities of PAL and PPO were significantly increased.In conclusion,N13 biological fertilizer could significantly improve the activity of resistant enzymes in pepper roots,had good control effect on pepper root rot and promote the growth of pepper,and the application of N13 biological fertilizer was a feasible measure to prevent and control pepper root rot.
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备注/Memo
第一作者简介:余长洪(1999-),男,硕士研究生,研究方向为微生物学。E-mail:2106520998@qq.com.责任作者:何建清(1971-),女,硕士,教授,现主要从事微生物资源与微生物肥料等研究工作。E-mail:hejianqingxz@163.com.基金项目:国家自然科学基金资助项目(31560001);2025 年中央财政支持地方高校发展改革专项资金资助项目(YJSXK2025-05,YJSXK2025-15)。收稿日期:2025-06-09