PEI Dongli,ZHU Xiaoqin,XU Yuanyuan,et al.Physiological Reactions of Resistant and Susceptible Tomato Varieties After Fusarium Wilt Inoculation[J].Northern Horticulture,2017,41(04):1-3.[doi:10.11937/bfyy.201704001]
番茄抗感品种对接种枯萎菌的生理响应
- Title:
- Physiological Reactions of Resistant and Susceptible Tomato Varieties After Fusarium Wilt Inoculation
- Keywords:
- tomato; Fusarium wilt; reactive oxygen species; protective enzyme
- 文献标志码:
- A
- 摘要:
- 枯萎病是番茄的主要病害之一，严重影响了番茄的产量与品质。以感病番茄Moneymaker和抗病番茄LA1221为试验材料，比较研究了抗、感番茄品种接种枯萎菌后O?[TX-*4]2产生速率、丙二醛（MDA）含量以及过氧化物酶（POD）、超氧化物歧化酶（SOD）活性的变化。结果表明：抗病品种较感病品种O?[TX-*4]2产生的速率峰值出现早且高，MDA含量高，POD活性升高迅速且增幅大；抗、感品种SOD活性变化幅度较大，均高于未接菌的对照。揭示了病原菌胁迫下抗、感番茄品种可能存在的调控机制，为进一步的番茄抗性育种研究奠定基础。
- Abstract:
- Fusarium wilt is one of main diseases in tomato plants，which affecting the yield and quality seriously.Susceptible tomato Solanum esculentum Moneymaker(MM) and resistant S.arcanum LA1221 were used as materials，O?[TX-*4]2 production rate，MDA content and protective enzymes of POD，SOD activity after Fusarium oxysporum inoculation were studied.The results showed that the O?[TX-*4]2 production rate was produced higher and earlier，the MDA content was higher and the POD activity increased higher and more rapidly in the resistant accession than in the susceptible accession，and in both resistant and susceptible accessions SOD activity were changed widely，and higher than the controls.The regulation mechanism would be explained that the resistant and susceptible tomatoes under pathogens stresses for further study of tomato resistance breeding.
参考文献/References:
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备注/Memo
第一作者简介：裴冬丽（1971-），女，河南虞城人，博士，教授，现主要从事植物分子遗传学等研究工作。E-mail：peidongli@126.com.责任作者：李成伟（1972-），男，河南民权人，博士，教授，现主要从事植物分子遗传学等研究工作。E-mail：lichengweiwau@hotmail.com.基金项目：国家自然科学基金资助项目（31571997）；河南省高等学校重点科研资助项目（15A180019,15A210045,16A210037）。