不同干旱胁迫对玉米产量的影响  

Influence of Different Drought Stress on Yield of Maize

作　　者：陈坤[1] 杨耀迥[1] 苏琪[1] 刘亚利[1] 卢生乔[1] 张述宽[2] 

机构地区：[1]广西农业科学院玉米研究所,广西南宁530007 [2]广西农业科学院科技处,广西南宁530007

出　　处：《安徽农业科学》2016年第6期70-71,162,共3页Journal of Anhui Agricultural Sciences

基　　金：国家现代农业产业技术体系广西玉米创新团队建设项目(nycytxgxcxtd-07);广西科学研究与技术开发计划项目(桂科重14121001-1-11;桂科攻1123001-6A);广西农业科学院科技发展基金项目(桂农科2013JQ28)

摘　　要：[目的]筛选出适宜在广西干旱地区种植的玉米品种。[方法]选择在广西种植面积较大的12个玉米品种,在严格控水的条件下进行干旱胁迫试验,分析不同干旱胁迫对这12个品种产量的影响。[结果]不同干旱胁迫处理对玉米产量影响的差异达极显著水平;玉米品种先达901、桂单0810和迪卡008表现出较好的抗旱性,能够在正常灌水和干旱胁迫下达到较高的产量,可以抵御一定的干旱胁迫。[结论]干旱胁迫发生在玉米生长前期对产量的影响较大,且此影响即便遇后期降水也不可消除;在干旱地区选择种植抗旱品种可减少不必要的损失。[Objective] The aim was to screen out appropriate maize variety in arid area of Guangxi. [Method]12 maize varieties with larger planting area in Guangxi were taken to analyze the effects of different drought stress on the agronomic traits under the condition of strict control of water. [Result] The results showed that： The effects of different drought stress treatments on yield had extremely significant difference,indicated different degree of reduction. Maize variety Xianda901,Guidan0810 and Dika008 performed good drought resistance,which can obtain higher yield under normal irrigation and drought stress. [Conclusion] Drought stress occurred in the early stage of maize has a great influence on the yield,and this effect can not be recovered even in the late stage of precipitation; selection of drought resistant varieties in arid areas can reduce unnecessary losses.

关 键 词：玉米 干旱胁迫 产量 

分 类 号：S513[农业科学—作物学]