机械损伤及茉莉酸甲酯对紫粒小麦籽粒花青素积累的影响  

Effects of Mechanical Injury and MeJA on Anthocyanin Accumulation in Purple Wheat Grains

作　　者：李小兰 任明见[2] 任群利 杨胜伟 钱小康 胡欢 王倩 王苗 LI Xiaolan;REN Mingjian;REN Qunli;YANG Shengwei;QIAN Xiaokang;HU Huan;WANG Qian;WANG Miao(Microbial Resources and Drug Development Key Laboratory of Guizhou Tertiary Institution/School of Stomatology,Zunyi Medical University,Zunyi Guizhou 563000;School of Agriculture,Guizhou University/Guizhou Sub-center of National Wheat Improvement Center,Guiyang Guizhou 550025;Institute of Chinese Herbal Medicines,Zunyi Agricultural Sciences and Technology Research Institute,Zunyi Guizhou 563000;Zunyi Rural Development Service Center,Zunyi Guizhou 563000)

机构地区：[1]遵义医科大学口腔医学院/贵州省普通高等学校微生物资源及药物开发特色重点实验室,贵州遵义563000 [2]贵州大学农学院/国家小麦改良中心贵州分中心,贵州贵阳550025 [3]遵义市农业科学研究院中药材研究所,贵州遵义563000 [4]遵义市农村发展服务中心,贵州遵义563000

出　　处：《现代农业科技》2023年第13期12-17,共6页Modern Agricultural Science and Technology

基　　金：贵州省中医药管理局中医药、民族医药科学技术研究课题(QZYY-2019-064);遵义市科技计划项目(遵市科合HZ字〔2020〕55号);遵义医科大学大学生创新项目(ZYDC2019129);遵义医科大学博士启动基金(黔科合平台人才〔2018〕5772-075/062)。

摘　　要：本研究通过对贵紫麦1号植株在不同时期分别进行机械损伤(4种损伤方式)、机械损伤并喷施茉莉酸甲酯(MeJA)、单独喷施茉莉酸甲酯(MeJA)等处理,以不作任何处理为对照,探索茉莉酸甲酯(MeJA)和机械损伤对紫粒小麦籽粒花青素积累的影响。结果表明:机械损伤会改变籽粒花青素含量,进一步喷施MeJA会在机械损伤影响效果的基础上出现增效或抵消的效应,具体效应根据处理时期和损伤方式而改变,说明MeJA对不同机械损伤处理的调控具有时期特异性。本研究为进一步研究机械损伤及MeJA调控紫粒小麦花青素合成及积累的分子机制奠定了前期基础,也为紫粒小麦抗性育种提供了参考依据。This study explored the effects of methyl jasmonate(MeJA)and mechanical injury on anthocyanin accumulation in purple wheat grains by applying mechanical injury(including 4 methods),mechanical injury and spraying MeJA,and spraying MeJA alone to Guizimai 1 at different stages,with no treatment as the control.The results showed that mechanical injury changed the anthocyanin content of grains,and further spraying of MeJA had a synergistic or offset effect based on the effect of mechanical injury,and the detail effect of MeJA depended on the treatment period and injury method.These results indicated that MeJA had period-specific regulation of different mechanical injury treatments,which laid the foundation for the further study of mechanical injury and the molecular mechanism of MeJA regulating anthocyanin synthesis and accumulation of purple wheat.It also provided a reference for purple wheat resistance breeding.

关 键 词：机械损伤 茉莉酸甲酯 紫粒小麦 花青素含量 

分 类 号：S512[农业科学—作物学]