淹水胁迫下烯效唑缓解小豆幼苗茎部生理损伤的效应研究  

Mitigating Effects of Uniconazole on physiological damage and yield of Adzuki Bean Seedlings under Waterlogging Stress

作　　者：王曼力[1] 项洪涛 李琬[1] 李博[1] 谢洪昌[2,3] 王德明 张晓青 王强 王晨[3] 高嫱 WANG Manli;XIANG Hongtao;LI Wan;LI Bo;XIE Hongchang;WANG Deming;ZHANG Xiaoqing;WANG Qiang;WANG Chen;GAO Qiang(Institute of Crop Cultivation and Tillage,Heilongjiang Academy of Agricultural Sciences,Harbin 150086;Sui-hua Branch,Heilongjiang Academy of Agricultural Machinery Sciences,Suihua 152054;Heilongjiang Academy of Agricultural Sciences,Harbin 150086,China)

机构地区：[1]黑龙江省农业科学院耕作栽培研究所,哈尔滨150086 [2]黑龙江省农业机械工程科学研究院绥化分院,黑龙江绥化152054 [3]黑龙江省农业科学院,哈尔滨150086

出　　处：《东北农业科学》2024年第2期17-24,共8页Journal of Northeast Agricultural Sciences

基　　金：黑龙江省重点研发计划项目(GA21B009-014);国家食用豆产业技术体系项目(CARS08-G8)。

摘　　要：为探究幼苗期淹水胁迫及喷施烯效唑(uniconazole,S3307)对小豆茎部生理及产量的影响,本试验在盆栽条件下,以龙红豆4号和天津红为试验材料,苗期预喷施S3307,并连续淹水处理5 d,每天取样测定分析相关生理指标。结果表明,小豆苗期淹水处理引起茎部H_(2)O_(2)、MDA、脯氨酸、可溶性蛋白含量显著增加,SOD、POD和CAT活性显著提高,淹水处理5 d导致龙红豆4号单株产量下降8.40%,天津红下降9.88%。S3307具有抵御淹水胁迫的作用,能有效增加小豆幼茎脯氨酸和可溶性蛋白含量,显著降低H_(2)O_(2)和MDA含量,能够显著提高SOD和POD活性。喷施S3307使淹水4 d的龙红豆4号产量提高2.75%、天津红产量提高5.29%。In order to explore the difference in the resistance physiology and yield,and the mitigation effect of uniconazole(S3307) pretreatment under waterlogging stress,the pot experiment in this research was conducted,and the crop cultivar including Longhongdou4(LHD 4) and Tianjinhong(TJH).Waterlogging treatment and foliar spraying of S3307 were carried out at the seedling stage of adzuki bean.The lasting time of waterlogging stress in the experiment was 5 days.And samples were taken every day to determine and analyze the related physiological indexes and yield factors.The results showed that flooding stress at seedling stage significantly increased the contents of H_2O_(2) and MDA,proline and soluble protein,and the activities of SOD,POD and CAT in the stem of adzuki bean.Flooding treatment for 5 days significantly decreased the yield of LHD 4 by 8.40% and TJH by 9.88%.S3307 can resist flooding stress,effectively increase the contents of proline and soluble protein in young stems of adzuki bean,significantly reduce the contents of H_2O_(2) and MDA,and significantly increase the activities of SOD and POD.Spraying S3307 significantly increased the yield of LHD 4 and TJH by 2.75% and 5.29%,respectively.

关 键 词：小豆 淹水胁迫 烯效唑 茎部生理 产量 

分 类 号：S643.401[农业科学—蔬菜学]