干旱区生态环境知识资源中心(Arid): Dry Matter Accumulation, Water Productivity and Quality of Potato in Response to Regulated Deficit Irrigation in a Desert Oasis Region

Arid

DOI	10.3390/plants13141927
	Dry Matter Accumulation, Water Productivity and Quality of Potato in Response to Regulated Deficit Irrigation in a Desert Oasis Region
	Zhang, Hengjia; Chen, Xietian; Xue, Daoxin; Zhang, Wanheng; Li, Fuqiang; Teng, Anguo; Zhang, Changlong; Lei, Lian; Ba, Yuchun
通讯作者	Zhang, HJ
来源期刊	PLANTS-BASEL
ISSN	2223-7747
出版年	2024
卷号	13 期号:14
英文摘要	As one of the most important food crops, the potato is widely planted in the oasis agricultural region of Northwest China. To ascertain the impact of regulated deficit irrigation (RDI) on various facets including dry matter accumulation, tuber yield, quality and water use efficiency (WUE) of potato plants, a two-growth season field experiment under mulched drip irrigation was conducted in the desert oasis region of Northwest China. Water deficits, applied at the seedling, tuber formation, tuber expansion and starch accumulation stages, encompassed two distinctive levels: mild (55-65% of field capacity, F-C) and moderate (45-55% F-C) deficit, with full irrigation (65-75% F-C) throughout the growing season as the control (CK). The results showed that water deficit significantly reduced (p < 0.05) above-ground dry matter, water consumption and tuber yield compared to CK, and the reduction increased with the increasing water deficit. A mild water deficit at the tuber formation stage, without significantly reducing (p > 0.05) yield, could significantly increase WUE and irrigation water use efficiency (IWUE), with two-year average increases of 25.55% and 32.33%, respectively, compared to CK. Water deficit at the tuber formation stage increased starch content, whereas water deficit at tuber expansion stage significantly reduced starch, protein and reducing sugar content. Additionally, a comprehensive evaluation showed that a mild water deficit at the tuber formation stage is the optimal RDI strategy for potato production, providing a good balance between yield, quality and WUE. The results of this study can provide theoretical support for efficient and sustainable potato production in the desert oasis regions of Northwest China.
英文关键词	water deficit sub-membrane drip irrigation water consumption water use efficiency tuber quality comprehensive evaluation
类型	Article
语种	英语
开放获取类型	gold, Green Published
收录类别	SCI-E
WOS记录号	WOS:001278390300001
WOS关键词	SOLANUM-TUBEROSUM L. ; USE EFFICIENCY ; AGROPASTORAL ECOTONE ; DROUGHT STRESS ; FRUIT-QUALITY ; YIELD ; NITROGEN ; REGIMES ; PHOSPHORUS ; STRATEGIES
WOS类目	Plant Sciences
WOS研究方向	Plant Sciences
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/405169
推荐引用方式 GB/T 7714	Zhang, Hengjia,Chen, Xietian,Xue, Daoxin,et al. Dry Matter Accumulation, Water Productivity and Quality of Potato in Response to Regulated Deficit Irrigation in a Desert Oasis Region[J],2024,13(14).
APA	Zhang, Hengjia.,Chen, Xietian.,Xue, Daoxin.,Zhang, Wanheng.,Li, Fuqiang.,...&Ba, Yuchun.(2024).Dry Matter Accumulation, Water Productivity and Quality of Potato in Response to Regulated Deficit Irrigation in a Desert Oasis Region.PLANTS-BASEL,13(14).
MLA	Zhang, Hengjia,et al."Dry Matter Accumulation, Water Productivity and Quality of Potato in Response to Regulated Deficit Irrigation in a Desert Oasis Region".PLANTS-BASEL 13.14(2024).