Knowledge Resource Center for Ecological Environment in Arid Area
DOI | 10.1016/j.eja.2020.126128 |
Effect of traditional soybean breeding on water use strategy in arid and semi-arid areas | |
Yang, Ming-Hao; Jahufer, Mohamed Z. Z.; He, Jin; Dong, Rui; Hofmann, Rainer; Siddique, Kadambot H. M.; Li, Feng-Min | |
通讯作者 | He, J |
来源期刊 | EUROPEAN JOURNAL OF AGRONOMY
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ISSN | 1161-0301 |
EISSN | 1873-7331 |
出版年 | 2020 |
卷号 | 120 |
英文摘要 | Water is the main factor determining yield performance under drought conditions. Traditional soybean breeding has significantly increased grain yield under drought, but its effect on water use strategies and associated traits are not well understood. Field and pot experiments with new cultivars and landrace soybean genotypes were undertaken to identify the effect of soybean breeding on water use strategies and related leaf and root functional traits under different water regimes. The new cultivars, on average, had 33.9 %, 45.1 % and 169 % higher grain yields and 47.9 %, 98.4 % and 244 % higher water use efficiencies for grain yield (WUEG) but 8.8 %, 38.1 % and 19.6 % lower water use than the landraces in the field and pot experiments 1 and 2, respectively. Stomatal conductance decreased in the new cultivars at higher soil water contents than the landraces during soil drying. The new cultivars, on average, had a 22.9 % lower root fraction, 21.5 % lower leaf fraction, 20.6 % lower stem fraction and 69.8 % higher pod fraction than landraces, which had 21.7 % and 26.8 % lower root hydraulic conductance at the R2 and R6 stages, respectively, than the landraces. Our results show that (1) traditional soybean breeding has changed the water use strategy from profligate to conservative and improved yield performance and WUEG, (2) the high sensitivity of stomatal conductance to water stress is coordinated with lower root hydraulic conductance to limit water use, and (3) selecting new cultivars with high grain yield but low water use may a new way to improve yield performance under water-limited conditions. |
英文关键词 | Grain yield Root hydraulic conductivity Stomatal conductance Harvest index |
类型 | Article |
语种 | 英语 |
收录类别 | SCI-E |
WOS记录号 | WOS:000571535400009 |
WOS关键词 | OSMOTIC ADJUSTMENT ; DROUGHT ; YIELD ; CONDUCTANCE ; STRESS ; RESISTANCE ; CULTIVARS ; ANATOMY ; SIGNALS ; BARLEY |
WOS类目 | Agronomy |
WOS研究方向 | Agriculture |
来源机构 | 兰州大学 ; University of Western Australia |
资源类型 | 期刊论文 |
条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/326416 |
作者单位 | [Yang, Ming-Hao; He, Jin; Dong, Rui] Guizhou Univ, Coll Anim Sci, Coll Agr, Minist Educ,Key Lab Plant Resource Conservat & Ge, Guiyang 550025, Guizhou, Peoples R China; [He, Jin; Li, Feng-Min] Lanzhou Univ, Sch Life Sci, Inst Arid Agroecol, State Key Lab Grassland Agroecosyst, Lanzhou 730000, Gansu, Peoples R China; [Jahufer, Mohamed Z. Z.] Ag Res Ltd, Grasslands Res Ctr, Tennent Dr,Private Bag 11008, Palmerston North, New Zealand; [Hofmann, Rainer] Lincoln Univ, Fac Agr & Life Sci, Christchurch 7647, New Zealand; [Siddique, Kadambot H. M.] Univ Western Australia, UWA Inst Agr, Perth, WA 6001, Australia |
推荐引用方式 GB/T 7714 | Yang, Ming-Hao,Jahufer, Mohamed Z. Z.,He, Jin,et al. Effect of traditional soybean breeding on water use strategy in arid and semi-arid areas[J]. 兰州大学, University of Western Australia,2020,120. |
APA | Yang, Ming-Hao.,Jahufer, Mohamed Z. Z..,He, Jin.,Dong, Rui.,Hofmann, Rainer.,...&Li, Feng-Min.(2020).Effect of traditional soybean breeding on water use strategy in arid and semi-arid areas.EUROPEAN JOURNAL OF AGRONOMY,120. |
MLA | Yang, Ming-Hao,et al."Effect of traditional soybean breeding on water use strategy in arid and semi-arid areas".EUROPEAN JOURNAL OF AGRONOMY 120(2020). |
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