Arid
DOI10.3389/fpls.2022.1013131
Deficit mulched drip irrigation improved yield and quality while reduced water consumption of isatis indigotica in a cold and arid environment
Zhou, Chenli; Zhang, Hengjia; Li, Fuqiang; Wang, Yong; Wang, Yucai; Wang, Zeyi
通讯作者Zhang, HJ
来源期刊FRONTIERS IN PLANT SCIENCE
ISSN1664-462X
出版年2022
卷号13
英文摘要Deficit irrigation is an effective alternative to traditional irrigation, as it improves crop productivity and conserves water. However, crops may be sensitive to deficit irrigation-induced water stress at different periods. To access the effect of deficit irrigation on the growth, water consumption characteristics, yield, and quality of Isatis indigotica (woad), we performed a three-year (2017-2019) mulched drip irrigation field experiment. Woad plants were provided adequate water supply at the seedling stage but were subjected to mild (65-75% field water capacity FC), moderate (55-65% FC), and severe (45-55% FC) water deficit at the vegetative growth, fleshy root growth and fleshy root maturity stages, respectively; plants supplied with adequate water throughout the growth period served as a control (CK, 75-85% FC). The water consumption characteristics, agronomic traits, dry matter content and distribution, yield, and quality of these plants were measured at various growth stages. The results showed that the total water consumption in water deficit was significantly less than that in CK by 4.44-10.21% (P< 0.05). The dry matter content of plants treated with moderate (WT2 and WT5) and severe (WT3) water deficit was reduced by 12.83-28.75%. The economic yield of mild water deficit-treated plants was higher during vegetative growth (WT1) and fleshy root growth (WT4), while the water use efficiency of these plants was significantly increased by 7.84% and 6.92% at the two growth stages, respectively. Continuous mild water deficit (WT4) enhanced the contents of indigo, indirubin, (R,S)-goitrin, polysaccharides, and soluble proteins during vegetative growth and fleshy root growth, while moderate and severe water deficit were detrimental to the quality of woad plants. Thus, continuous mild water deficit during vegetative and fleshy root growth periods (WT4) is optimal for the cultivation of woad in the cold and cool irrigation district of the Hexi Oasis region.
英文关键词deficit irrigation isatis indigotica water consumption characteristics yield water use efficiency quality
类型Article
语种英语
开放获取类型Green Published, gold
收录类别SCI-E
WOS记录号WOS:000869487300001
WOS关键词USE EFFICIENCY ; PROCESSING TOMATO ; FRUIT-QUALITY ; WINTER-WHEAT ; NUTRITIONAL YIELD ; GROWTH ; PRODUCTIVITY ; STRESS ; CHINA ; DRY
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/2XILL650/392864
推荐引用方式
GB/T 7714
Zhou, Chenli,Zhang, Hengjia,Li, Fuqiang,et al. Deficit mulched drip irrigation improved yield and quality while reduced water consumption of isatis indigotica in a cold and arid environment[J],2022,13.
APA Zhou, Chenli,Zhang, Hengjia,Li, Fuqiang,Wang, Yong,Wang, Yucai,&Wang, Zeyi.(2022).Deficit mulched drip irrigation improved yield and quality while reduced water consumption of isatis indigotica in a cold and arid environment.FRONTIERS IN PLANT SCIENCE,13.
MLA Zhou, Chenli,et al."Deficit mulched drip irrigation improved yield and quality while reduced water consumption of isatis indigotica in a cold and arid environment".FRONTIERS IN PLANT SCIENCE 13(2022).
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