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Drought Priming at Vegetative Growth Stage Enhances Nitrogen-Use Efficiency Under Post-Anthesis Drought and Heat Stress in Wheat
S. Liu, X. Li, D. H. Larsen, X. Zhu, F. Song and F. Liu; Li, X.; Liu, F.
2017
Source PublicationJournal of Agronomy and Crop Science
Volume203Issue:1Pages:29-40
AbstractTo study the effects of early drought priming at 5th-leaf stage on grain yield and nitrogen-use efficiency in wheat (Triticum aestivum L.) under post-anthesis drought and heat stress, wheat plants were first exposed to moderate drought stress (drought priming; that is, the leaf water potential reached ca. -0.9 MPa) at the 5th-leaf stage for 11days, and leaf water relations and gas exchange rates, grain yield and yield components, and agronomic nitrogen-use efficiency (ANUE) of the primed and non-primed plants under post-anthesis drought and heat stress were investigated. Compared with the non-primed plants, the drought-primed plants possessed higher leaf water potential and chlorophyll content, and consequently a higher photosynthetic rate during post-anthesis drought and heat stress. Drought priming also resulted in higher grain yield and ANUE in wheat under post-anthesis drought and heat stress. Drought priming at vegetative stage improves carbon assimilation and ANUE under post-anthesis drought and heat stress and their combination in wheat, which might be used as a field management tool to enhance stress tolerance of wheat crops to multiple abiotic stresses in a future drier and warmer climate.
DOI10.1111/jac.12190
Citation statistics
Cited Times:5[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iga.ac.cn/handle/131322/7535
Collection湿地与全球变化学科组
Corresponding AuthorLi, X.; Liu, F.
Recommended Citation
GB/T 7714
S. Liu, X. Li, D. H. Larsen, X. Zhu, F. Song and F. Liu,Li, X.,Liu, F.. Drought Priming at Vegetative Growth Stage Enhances Nitrogen-Use Efficiency Under Post-Anthesis Drought and Heat Stress in Wheat[J]. Journal of Agronomy and Crop Science,2017,203(1):29-40.
APA S. Liu, X. Li, D. H. Larsen, X. Zhu, F. Song and F. Liu,Li, X.,&Liu, F..(2017).Drought Priming at Vegetative Growth Stage Enhances Nitrogen-Use Efficiency Under Post-Anthesis Drought and Heat Stress in Wheat.Journal of Agronomy and Crop Science,203(1),29-40.
MLA S. Liu, X. Li, D. H. Larsen, X. Zhu, F. Song and F. Liu,et al."Drought Priming at Vegetative Growth Stage Enhances Nitrogen-Use Efficiency Under Post-Anthesis Drought and Heat Stress in Wheat".Journal of Agronomy and Crop Science 203.1(2017):29-40.
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