干旱胁迫下不同抗旱型小麦品种生理及产量特征分析  

Analysis of Physiological and Yield Characteristics of Different Wheat Varieties Under Drought Stress

作　　者：袁宏伟 杨继伟 刘佳 赵晖[2] YUAN Hong-wei;YANG Ji-wei;LIU Jia;ZHAO Hui(Key Laboratory of Water Conservancy and Water Resources of Anhui Province, Water Resources Research Institute of Anhui Province and Huaihe River Commission, Ministry of Water Resources, Hefei 230088,China;Land Consolidation Center of Linyi Land and Resources Bureau, Linyi 276000, Shandong Province, China)

机构地区：[1]安徽省水利部淮河水利委员会水利科学研究院,水利水资源安徽省重点实验室,合肥233088 [2]山东省临沂市国土资源局土地整理中心,山东临沂276000

出　　处：《节水灌溉》2020年第7期9-12,共4页Water Saving Irrigation

基　　金：国家重点研发计划项目(2017YFD0301301);国家自然科学基金项目(51409002,71273081)。

摘　　要：为研究不同水分处理条件下不同品种冬小麦的生理响应特征和产量的变化,及评价其地区种植适宜性,在干旱胁迫和正常水分条件下对安徽省淮北地区2个主推抗旱型小麦品种(烟农19、矮抗58)的生理特性及产量进行分析研究。结果表明,单生育期轻旱及全生育期轻旱对冬小麦生长及产量无明显影响,单生育期重旱和全生育期中旱均会显著抑制小麦正常生长,并造成永久胁迫;在不旱或轻旱条件下烟农19生理指标及产量均优于矮抗58,但是当干旱程度增大时矮抗58对环境适应能力更强,减产幅度明显小于烟农19;淮北平原南部推广种植烟农19,北部推广种植矮抗58更有利于水资源高效利用及粮食生产安全。In order to study the physiological response characteristics and yield changes of different winter wheat varieties under different water treatment conditions,and to evaluate their regional planting suitability,the physiological characteristics of two main drought-resistant wheat varieties(Yannong 19 and Aikang 58)in Huaibei,Anhui Province were analyzed under drought stress and normal water conditions.The results showed that light drought in the single growth period and light drought in the whole growth period had no significant effect on the growth and yield of winter wheat.Both severe drought in the single growth period and middle drought in the whole growth period significantly inhibited normal wheat growth and caused permanent stress.Under the condition of no or light drought,both physiological indexes and yield of Aikang 58 were better than those of AiKang58.However,when drought degree increased,AiKang58 had stronger adaptability to the environment,and the yield reduction was significantly lower than that of Yannong 19.So planting Yannong 19 in the southern part of the Huaibei Plain,and planting Aikang 58 in the northern plain were more conducive to the efficient use of regional water resources and food production security.

关 键 词：冬小麦 干旱胁迫 抗旱品种 粮食安全 

分 类 号：S274[农业科学—农业水土工程]