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MeJA和SA处理对野蔷薇白粉病抗性的影响
发表时间：2017-02-16 浏览量：1811 下载量：418
| 全部作者： | 刘端凤，孙晓香，王媛媛 |
| 作者单位： | 华中农业大学园艺林学学院 |
| 摘 要： | 本实验对野蔷薇感白粉病材料喷施茉莉酸甲酸酯（methyl jasmonate，MeJA）、水杨酸（salicylic acid，SA）和蒸馏水，进行野蔷薇抗白粉病相关基因响应外源激素的表达分析，并结合形态学、细胞学及生理学层面的野蔷薇响应外源激素后白粉病抗性变化，研究野蔷薇抗白粉病的相关信号途径。结果表明，MeJA、SA均能诱导野蔷薇白粉病抗性，进一步说明SA和MeJA信号途径与野蔷薇白粉病抗性之间的关系。 |
| 关 键 词： | 观赏园艺学；白粉病；实时荧光定量PCR；野蔷薇；茉莉酸甲酯；水杨酸 |
| Title： | Effects of methyl jasmonate and salicylic acid on the powdery mildew resistance in Rosa multiflora |
| Author： | LIU Duanfeng, SUN Xiaoxiang, WANG Yuanyuan |
| Organization： | College of Horticulture and Forestry Sciences, Huazhong Agricultural University |
| Abstract： | In this paper, we chose Rosa multiflora as research material. We picked out one resistant and one susceptible to powdery mildew and some candidate genes associated with resistance to powdery mildew. Based on these studies, we treated susceptible R. multiflora with methyl jasmonate (MeJA), salicylic acid (SA) and distilled water to conduct expression analysis of genes associated with powdery mildew resistance in response to exogenous hormone. The changes of powdery mildew resistance in response to exogenous hormones were studied by morphology, cytology and physiology methods in order to figure out the related signal pathway. Results showed that MeJA, SA could induce defense responses to powdery mildew. That’s to say MeJA and SA signaling pathways play important roles in R. multiflora powdery mildew resistance. |
| Key words： | ornamental horticulture; powdery mildew; quantitative real-time PCR; Rosa multiflora; methyl jasmonate; salicylic acid |
| 发表期数： | 2017年2月第3期 |
| 引用格式： | 刘端凤，孙晓香，王媛媛. MeJA和SA处理对野蔷薇白粉病抗性的影响[J]. 中国科技论文在线精品论文，2017，10（3）：291-298. |
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