宁夏玉米耐盐碱种质研究现状及展望  

Current Research Situation and Future Prospects of Salt-Resistant Corn Germplasm in Ningxia

作　　者：关雅静[1,2] 张茜 孔德杰[1,2] 李新[1,2] Guan Yajing;Zhang Qian;Kong Dejie;Li Xin(Agricultural Biotechnology Research Center,Ningxia Academy of Agriculture and Forestry Sciences,Yinchuan,Ningxia 750002;Ningxia Key Laboratory of Agricultural Biotechnology,Yinchuan,Ningxia 750002)

机构地区：[1]宁夏农林科学院农业生物技术研究中心,宁夏银川750002 [2]宁夏农业生物技术重点实验室,宁夏银川750002

出　　处：《宁夏农林科技》2024年第6期5-10,28,共7页Journal of Ningxia Agriculture and Forestry Science and Technology

基　　金：宁夏自然科学基金项目“玉米新型转运蛋白BSN1对盐胁迫的响应分析”(2021AAC03276);宁夏重点研发计划项目“宁夏中部干旱带高产高抗高效栽培技术模式集成示范”(2022BBF02040)。

摘　　要：玉米是宁夏种植面积最大、产量最高的粮食和饲料作物。盐碱胁迫是影响玉米高产稳产的重要因素,进行玉米耐盐碱分子生物学机制、新种质创制及育种研究,对保障宁夏玉米可持续生产具有重要意义。通过探讨玉米耐盐碱抗逆遗传位点、基因资源及其调控机制,总结玉米基因组测序、分子生物技术育种及大数据分析技术,以推动玉米耐盐碱抗逆遗传基础解析、遗传改良及耐盐碱玉米种质资源挖掘,并分析讨论当前玉米耐盐碱育种面临的问题和挑战,提出玉米耐盐碱种质创制和育种的策略。Corn is the grain and feed crop with the largest planting area and the highest yield in Ningxia.Saline-alkali stress is an important factor affecting the high and stable yield of maize.Research on the molecular biological mechanism of saline-alkali tolerance,new germplasm creation and breeding is of great significance to ensure the sustainable production of maize in Ningxia.The genetic sites,gene resources and regulatory mechanisms of maize saline-alkali and stress resistance are discussed,maize genome sequencing,molecular biotechnology breeding and big data analysis techniques are summarized,to promote the genetic basis analysis of maize saline-alkali and stress resistance,genetic improvement and germplasm resource mining of salt-resistant maize.The current problems and challenges faced by maize saline-alkali resistance breeding are discussed.The strategies of saline-tolerant germplasm creation and breeding of maize are put forward.

关 键 词：玉米 耐盐碱 种质创新 分子育种 

分 类 号：S513[农业科学—作物学]