Arid
DOI10.3390/agronomy8100233
Unlocking the Genetic Diversity within A Middle-East Panel of Durum Wheat Landraces for Adaptation to Semi-arid Climate
Abu-Zaitoun, Salam Y.1; Chandrasekhar, Kottakota; Assili, Siwar2,3; Shtaya, Munqez J.1; Jamous, Rana M.1; Mallah, Omar B.1; Nashef, Kamal; Sela, Hanan4; Distelfeld, Assaf; Alhajaj, Nawal5; Ali-Shtayeh, Mohammed S.1; Peleg, Zvi3; Ben-David, Roi2
通讯作者Peleg, Zvi ; Ben-David, Roi
来源期刊AGRONOMY-BASEL
ISSN2073-4395
出版年2018
卷号8期号:10
英文摘要

Drought is the major environmental factor limiting wheat production worldwide. Developing novel cultivars with greater drought tolerance is the most viable solution to ensure sustainable agricultural production and alleviating threats to food-security. Here we established a core-collection of landraces and modern durum wheat cultivars (WheatME, n = 36), from the Middle East region (Jordan, Palestine and Israel) aiming at unlocking the genetic and morpho-physiological adaptation to semi-arid environment conditions. Interestingly, genetic analysis of the WheatME core-collection could not distinguish the landraces according to their country of origin. Field-based evaluation of the core-collection conducted across range of contrasting environmental conditions: Til-Palestine, Bet-Dagan-Israel and Irbid-Jordan with annual precipitation of 500 mm, 360 mm and 315 mm, respectively. The Til environment showed highest grain yield while the Irbid environment showed the lowest values. Analysis of variance showed a significant Genotype x Environment interaction for plant phenology traits (plant height and heading date) and productivity traits (1000-kernel weight, and grain yield). Principal component analysis showed three main cultivar groups: High yielding lines (modern durum cultivars, and landraces), tall late flowering landraces, and landraces with high grain weight. This knowledge could serve as basis for future breeding efforts to develop new elite cultivars adapted to the Mediterranean Basin’s semi-arid conditions.


英文关键词climate change drought adaptation genetic variation Mediterranean Basin climate landraces wheat breeding
类型Article
语种英语
国家Palestine ; Israel ; Jordan
收录类别SCI-E
WOS记录号WOS:000448539400037
WOS类目Agronomy ; Plant Sciences
WOS研究方向Agriculture ; Plant Sciences
来源机构Hebrew University of Jerusalem
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/207459
作者单位1.BERC, Til 458, Palestine;
2.ARO, Volcani Ctr, Inst Plant Sci, 68 HaMaccabim Rd,POB 15159, IL-7505101 Rishon Leziyyon, Israel;
3.Hebrew Univ Jerusalem, Robert H Smith Fac Agr Food & Environm, POB 12, IL-7610001 Rehovot, Israel;
4.Tel Aviv Univ, Sch Plant Sci & Food Secur, IL-6997801 Tel Aviv, Israel;
5.NARC, Field Crop Dept, POB 639, Baqa 19381, Jordan
推荐引用方式
GB/T 7714
Abu-Zaitoun, Salam Y.,Chandrasekhar, Kottakota,Assili, Siwar,et al. Unlocking the Genetic Diversity within A Middle-East Panel of Durum Wheat Landraces for Adaptation to Semi-arid Climate[J]. Hebrew University of Jerusalem,2018,8(10).
APA Abu-Zaitoun, Salam Y..,Chandrasekhar, Kottakota.,Assili, Siwar.,Shtaya, Munqez J..,Jamous, Rana M..,...&Ben-David, Roi.(2018).Unlocking the Genetic Diversity within A Middle-East Panel of Durum Wheat Landraces for Adaptation to Semi-arid Climate.AGRONOMY-BASEL,8(10).
MLA Abu-Zaitoun, Salam Y.,et al."Unlocking the Genetic Diversity within A Middle-East Panel of Durum Wheat Landraces for Adaptation to Semi-arid Climate".AGRONOMY-BASEL 8.10(2018).
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