Effects of nitrogen topdressing and paclobutrazol at different stages on spike differentiation and yield of winter wheat

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Plant Biology

Main article text

 

Introduction

Materials and Methods

Experimental site and soil

Experimental design and crop management

Variable measurements

Statistical analysis

Results

Plant height

Wheat yield and yield components

Spike differentiation

Phytohormone content

IPA and ZR content

TaCKX2.2 expression

Correlation analysis

Discussion

Conclusion

Supplemental Information

Raw dataset.

All indexes reflecting wheat spikelet growth and yield with physiological function changing under interactive treatments of nitrogen and paclobutrazol in two years.

DOI: 10.7717/peerj.12473/supp-1

Additional Information and Declarations

Competing Interests

The authors declare that they have no competing interests.

Author Contributions

Dongxiao Li conceived and designed the experiments, performed the experiments, analyzed the data, prepared figures and/or tables, authored or reviewed drafts of the paper, and approved the final draft.

Shaojing Mo performed the experiments, prepared figures and/or tables, and approved the final draft.

William D. Batchelor analyzed the data, authored or reviewed drafts of the paper, and approved the final draft.

Ruiting Cheng analyzed the data, authored or reviewed drafts of the paper, and approved the final draft.

Hongguang Wang analyzed the data, prepared figures and/or tables, authored or reviewed drafts of the paper, and approved the final draft.

Ruiqi Li conceived and designed the experiments, authored or reviewed drafts of the paper, and approved the final draft.

Data Availability

The following information was supplied regarding data availability:

The raw measurements are available in the Supplemental File.

Funding

This work was supported by the National System of Modern Agriculture Industrial Technology Project (CARS-03-05), the National Key Research and Development Program of China (2017YFD0300909), the Scientific Research Project of Hebei Education Department (QN2019046), the Hebei Province Natural Science Foundation for Youth (C2019204358), the Science and Technology Program of Baoding (1911ZN010), and the National Natural Science Foundation of China (No. 31871569). The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.

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