干旱区生态环境知识资源中心(Arid): Improving nitrogen content in the carboxylation and electron transfer component can boost the reproductive biomass of filmless cotton in arid areas

Arid

DOI	10.1002/csc2.21225
	Improving nitrogen content in the carboxylation and electron transfer component can boost the reproductive biomass of filmless cotton in arid areas
	Li, Nannan; Li, Junhong; Shi, Xiaojuan; Hao, Xianzhe; Shi, Feng; Wang, Jun; Luo, Honghai; Tian, Liwen
通讯作者	Luo, HH
来源期刊	CROP SCIENCE
ISSN	0011-183X
EISSN	1435-0653
出版年	2024
卷号	64 期号:3 页码:1814-1830
英文摘要	Deep drip irrigation combined with high-density planting is one of the most economical and effective ways to address residual film pollution. This study aimed to explore the photosynthetic potential of and achieve water-saving and high-yielding filmless cotton (Gossypium hirsutum L.) by optimizing the irrigation amount. We analyzed the effect of source leaf activity on leaf nitrogen allocation and photosynthetic nitrogen utilization efficiency (PNUE) under different irrigation amounts (mm, 375 (W5), 348 (W4), 320 (W3), 293 (W2), and 265 (W1)) in a 2-year field experiment under this planting mode. The photosynthetic pigment content, leaf mass per area, and light compensation point all decreased with increasing amounts of irrigation, while the apparent quantum yield of photosynthesis, light saturation point, maximum carboxylation rate (V-cmax), maximum electron transport rate (J(max)), triose phosphate utilization rate (V-TPU), nitrogen content in the electron transfer component (N-B), and nitrogen content in the carboxylation component (N-C) showed opposite trends. At the later full boll stage, the W3 and W4 treatments increased the leaf area of a whole plant (LA) by 10.4% and 19.4%, respectively, compared to that in the W1 treatment, while the PNUE increased by 20.2% and 20.8%, respectively, compared to that in the W5 treatment. In addition, principal component analysis found that the factor variables total nitrogen content in the photosynthetic apparatus (N-T), net photosynthetic rate (Pn), stomatal conductance (Gs), light-saturated net photosynthetic rate (A(max)), N-C, and V-cmax had higher loadings and were all positively correlated with PNUE; LA had a higher loading and was positively correlated with reproductive organ biomass. Therefore, we recommend using an irrigation rate of 320 mm in this cultivation system to increase nitrogen in carboxylation and electron transport components, enhance photosynthetic capacity, and thereby improve PNUE to increase reproductive organ biomass and reduce the irrigation amount in arid areas.
类型	Article
语种	英语
收录类别	SCI-E
WOS记录号	WOS:001185091900001
WOS关键词	USE EFFICIENCY ; DRIP IRRIGATION ; PHOTOSYNTHETIC CAPACITY ; PLANT-DENSITY ; YIELD ; LEAVES ; SHADE ; MAIZE ; RICE ; MANAGEMENT
WOS类目	Agronomy
WOS研究方向	Agriculture
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/403272
推荐引用方式 GB/T 7714	Li, Nannan,Li, Junhong,Shi, Xiaojuan,et al. Improving nitrogen content in the carboxylation and electron transfer component can boost the reproductive biomass of filmless cotton in arid areas[J],2024,64(3):1814-1830.
APA	Li, Nannan.,Li, Junhong.,Shi, Xiaojuan.,Hao, Xianzhe.,Shi, Feng.,...&Tian, Liwen.(2024).Improving nitrogen content in the carboxylation and electron transfer component can boost the reproductive biomass of filmless cotton in arid areas.CROP SCIENCE,64(3),1814-1830.
MLA	Li, Nannan,et al."Improving nitrogen content in the carboxylation and electron transfer component can boost the reproductive biomass of filmless cotton in arid areas".CROP SCIENCE 64.3(2024):1814-1830.