| 抗生素处理肠道菌对黏虫生长发育及繁殖的影响 |
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| Citation：张熙,樊自成,顾慧敏,蒋苏皖,程云霞,张蕾,江幸福,孔海龙.抗生素处理肠道菌对黏虫生长发育及繁殖的影响.Journal of Plant Protection,2026,53(4):1122-1128 |
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| Author Name | Affiliation | E-mail | | Zhang Xi | College of Plant Protection, Yangzhou Univerisity, Yangzhou 225009, Jiangsu Province, China | | | Fan Zicheng | College of Plant Protection, Yangzhou Univerisity, Yangzhou 225009, Jiangsu Province, China | | | Gu Huimin | College of Plant Protection, Yangzhou Univerisity, Yangzhou 225009, Jiangsu Province, China | | | Jiang Suwan | College of Plant Protection, Yangzhou Univerisity, Yangzhou 225009, Jiangsu Province, China | | | Cheng Yunxia | State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China | | | Zhang Lei | State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China | | | Jiang Xingfu | State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China | xfjiang@ippcaas.cn | | Kong Hailong | College of Plant Protection, Yangzhou Univerisity, Yangzhou 225009, Jiangsu Province, China | khl2504@126.com |
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| 中文摘要:为制订靶向黏虫Mythimna seperata肠道菌的防治策略，通过饲喂含0.125、0.25、0.5、1.0和2.0 g/L抗生素的人工饲料来清除黏虫肠道菌，测定取食含不同浓度抗生素的人工饲料对黏虫生长发育和繁殖的影响。结果显示：不同浓度抗生素对黏虫幼虫发育历期、存活率、化蛹率、蛹重、羽化率、产卵前期、产卵量和成虫寿命均有显著影响。随着抗生素浓度的增加，幼虫和蛹的发育历期逐渐延长，幼虫存活率、化蛹率、蛹重和羽化率逐渐降低，产卵前期逐渐延长，成虫寿命逐渐缩短，产卵量逐渐减少。表明抗生素清除肠道菌不利于黏虫的生长发育和繁殖。 |
| 中文关键词:抗生素 肠道菌 黏虫 生长发育 繁殖 |
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| Effects of antibiotic-mediated gut microbiota depletion on the growth, development, and reproduction of oriental armyworm Mythimna separata |
| Author Name | Affiliation | E-mail | | Zhang Xi | College of Plant Protection, Yangzhou Univerisity, Yangzhou 225009, Jiangsu Province, China | | | Fan Zicheng | College of Plant Protection, Yangzhou Univerisity, Yangzhou 225009, Jiangsu Province, China | | | Gu Huimin | College of Plant Protection, Yangzhou Univerisity, Yangzhou 225009, Jiangsu Province, China | | | Jiang Suwan | College of Plant Protection, Yangzhou Univerisity, Yangzhou 225009, Jiangsu Province, China | | | Cheng Yunxia | State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China | | | Zhang Lei | State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China | | | Jiang Xingfu | State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China | xfjiang@ippcaas.cn | | Kong Hailong | College of Plant Protection, Yangzhou Univerisity, Yangzhou 225009, Jiangsu Province, China | khl2504@126.com |
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| Abstract:To develop control strategies targeting the gut microbiota of oriental armyworm Mythimna separata, larvae were fed artificial diets supplemented with antibiotics at concentrations of 0.125, 0.25, 0.5, 1.0 and 2.0 g/L to eliminate their bacteria. The effects of different antibiotic concentrations on the growth, development and reproduction of M. separata were subsequently evaluated. The results revealed that treatment significantly affected larval developmental duration, larval survival rate, pupation rate, pupal weight, adult emergence rate, pre-oviposition period, fecundity and adult lifespan. As the antibiotic concentration increased, larval and pupal developmental durations were progressively prolonged, whereas larval survival rate, pupation rate, pupal weight and adult emergence rate gradually decreased. In addition, the pre-oviposition period was extended, adult lifespan shortened, and fecundity declined. These results indicate that antibiotic-mediated depletion of gut bacteria adversely affects the growth, development and reproduction of M. separata. |
| keywords:antibiotics gut microbiota Mythimna separata growth and development reproduction |
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