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Foliar-applied lanthanum chloride increases growth and phosphorus acquisition in phosphorus-limited adzuki bean seedlings
Lian, Huida1; Qin, Cheng1; Zhang, Cong1; Yan, Minfei1; Li, Hongbing2; Zhang, Suiqi1,2
2019-09-01
Source PublicationPLANT AND SOIL
ISSN0032-079X
Volume442Issue:1-2Pages:385-399
Corresponding AuthorZhang, Suiqi(sqzhang@ms.iswc.ac.cn)
AbstractAims Lanthanum, a rare earth element, is used in agriculture and forestry to promote plant growth and productivity. We aimed to investigate its role in altering the roots and alleviating P deficiency in the adzuki bean Vigna angularis. Methods The adzuki bean variety "Jin No. 5" was pre-cultivated in sand. Fourteen-day-old seedlings were sprayed twice with 0.4 mM LaCl3 solution. Next, we treated the seedlings with half-strength Hoagland solution containing P reduced to 1% of its original concentration (P-deficient); P reduced to 5% of the original (P-marginal); and unadjusted solution (P-sufficient). We measured plant growth, root structure, root hydraulic conductivity, P content, gas exchange, and photosynthetic pigment levels in all groups. Results LaCl3 application significantly increased leaf P concentration, effectively improving the P uptake efficiency of roots, shoots, and leaves under severe P stress. Root morphology and acid phosphatase (APase) activity varied significantly in response to LaCl3 under low-P stress. A greater leaf area, gas exchange ability, chlorophyll content, and carotenoid content were observed in the presence of LaCl3 under P-marginal stress. Conclusions The application of LaCl3 can promote growth and P acquisition in adzuki beans under P limitation by inducing changes in root morphology, APase activity, and hydraulic conductivity.
KeywordAdzuki bean Phosphorus limit Lanthanum Root morphology Root acid phosphatase activity Gas exchange ability
DOI10.1007/s11104-019-04197-5
WOS KeywordRARE-EARTH-ELEMENTS ; ROOT-SYSTEM ARCHITECTURE ; ACID-PHOSPHATASE ; HYDRAULIC CONDUCTANCE ; ARABIDOPSIS-THALIANA ; USE EFFICIENCY ; INORGANIC P ; H+-ATPASE ; DEFICIENCY ; PLANTS
Indexed BySCI
Language英语
Funding ProjectNational Science and Technology Supporting Programs[2015BAD22B01] ; Project 111 of the Chinese Education Ministry[B12007]
Funding OrganizationNational Science and Technology Supporting Programs ; Project 111 of the Chinese Education Ministry
WOS Research AreaAgriculture ; Plant Sciences
WOS SubjectAgronomy ; Plant Sciences ; Soil Science
WOS IDWOS:000485324700027
PublisherSPRINGER
Citation statistics
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/69674
Collection中国科学院地理科学与资源研究所
Corresponding AuthorZhang, Suiqi
Affiliation1.Northwest A&F Univ, State Key Lab Soil Eros & Dryland Farming Loess P, Yangling 712100, Shaanxi, Peoples R China
2.Chinese Acad Sci & Minist Water Resources, Inst Soil & Water Conservat, State Key Lab Soil Eros & Dryland Farming Loess P, Yangling 712100, Shaanxi, Peoples R China
Recommended Citation
GB/T 7714
Lian, Huida,Qin, Cheng,Zhang, Cong,et al. Foliar-applied lanthanum chloride increases growth and phosphorus acquisition in phosphorus-limited adzuki bean seedlings[J]. PLANT AND SOIL,2019,442(1-2):385-399.
APA Lian, Huida,Qin, Cheng,Zhang, Cong,Yan, Minfei,Li, Hongbing,&Zhang, Suiqi.(2019).Foliar-applied lanthanum chloride increases growth and phosphorus acquisition in phosphorus-limited adzuki bean seedlings.PLANT AND SOIL,442(1-2),385-399.
MLA Lian, Huida,et al."Foliar-applied lanthanum chloride increases growth and phosphorus acquisition in phosphorus-limited adzuki bean seedlings".PLANT AND SOIL 442.1-2(2019):385-399.
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